prepend compiler bindir to PATH lower priority than wrapper

.github/ISSUE_TEMPLATE/build_error.yml

@@ -9,7 +9,7 @@ body:
         Thanks for taking the time to report this build failure. To proceed with the report please:
         1. Title the issue `Installation issue: <name-of-the-package>`.
         2. Provide the information required below.
-
+        
         We encourage you to try, as much as possible, to reduce your problem to the minimal example that still reproduces the issue. That would help us a lot in fixing it quickly and effectively!
   - type: textarea
     id: reproduce
@@ -29,9 +29,7 @@ body:
       description: |
         Please post the error message from spack inside the `<details>` tag below:
       value: |
-        <details><summary>Error message</summary>
-
-        <pre>
+        <details><summary>Error message</summary><pre>
         ...
         </pre></details>
     validations:
@@ -55,7 +53,7 @@ body:
         Please upload the following files:
         * **`spack-build-out.txt`**
         * **`spack-build-env.txt`**
-
+        
         They should be present in the stage directory of the failing build. Also upload any `config.log` or similar file if one exists.
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,4 +1,4 @@
-name: "\U0001F38A Feature request"
+name: "\U0001F38A Feature request" 
 description: Suggest adding a feature that is not yet in Spack
 labels: [feature]
 body:
@@ -29,11 +29,13 @@ body:
     attributes:
       label: General information
       options:
+        - label: I have run `spack --version` and reported the version of Spack
+          required: true
         - label: I have searched the issues of this repo and believe this is not a duplicate
           required: true
   - type: markdown
     attributes:
       value: |
         If you want to ask a question about the tool (how to use it, what it can currently do, etc.), try the `#general` channel on [our Slack](https://slack.spack.io/) first. We have a welcoming community and chances are you'll get your reply faster and without opening an issue.
-
+        
         Other than that, thanks for taking the time to contribute to Spack!

.github/ISSUE_TEMPLATE/test_error.yml

@@ -21,9 +21,7 @@ body:
       description: |
         Please post the error message from spack inside the `<details>` tag below:
       value: |
-        <details><summary>Error message</summary>
-
-        <pre>
+        <details><summary>Error message</summary><pre>
         ...
         </pre></details>
     validations:

.github/dependabot.yml

@@ -5,13 +5,3 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-  # Requirements to build documentation
-  - package-ecosystem: "pip"
-    directory: "/lib/spack/docs"
-    schedule:
-      interval: "daily"
-  # Requirements to run style checks
-  - package-ecosystem: "pip"
-    directory: "/.github/workflows/style"
-    schedule:
-      interval: "daily"

.github/workflows/audit.yaml

@@ -17,24 +17,20 @@ concurrency:
 jobs:
   # Run audits on all the packages in the built-in repository
   package-audits:
-    runs-on: ${{ matrix.operating_system }}
-    strategy:
-      matrix:
-        operating_system: ["ubuntu-latest", "macos-latest"]
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: ${{inputs.python_version}}
     - name: Install Python packages
       run: |
-        pip install --upgrade pip setuptools pytest coverage[toml]
+        pip install --upgrade pip six setuptools pytest codecov coverage[toml]
     - name: Package audits (with coverage)
       if: ${{ inputs.with_coverage == 'true' }}
       run: |
           . share/spack/setup-env.sh
           coverage run $(which spack) audit packages
-          coverage run $(which spack) audit externals        
           coverage combine
           coverage xml
     - name: Package audits (without coverage)
@@ -42,8 +38,7 @@ jobs:
       run: |
           . share/spack/setup-env.sh
           $(which spack) audit packages
-          $(which spack) audit externals
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # @v2.1.0
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 # @v2.1.0
       if: ${{ inputs.with_coverage == 'true' }}
       with:
-        flags: unittests,audits
+        flags: unittests,linux,audits

.github/workflows/bootstrap.yml

@@ -24,7 +24,7 @@ jobs:
               make patch unzip which xz python3 python3-devel tree \
               cmake bison bison-devel libstdc++-static
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup non-root user
@@ -42,8 +42,8 @@ jobs:
         shell: runuser -u spack-test -- bash {0}
         run: |
           source share/spack/setup-env.sh
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack external find cmake bison
           spack -d solve zlib
           tree ~/.spack/bootstrap/store/
@@ -62,7 +62,7 @@ jobs:
               make patch unzip xz-utils python3 python3-dev tree \
               cmake bison
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup non-root user
@@ -80,8 +80,8 @@ jobs:
         shell: runuser -u spack-test -- bash {0}
         run: |
           source share/spack/setup-env.sh
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack external find cmake bison
           spack -d solve zlib
           tree ~/.spack/bootstrap/store/
@@ -99,7 +99,7 @@ jobs:
               bzip2 curl file g++ gcc gfortran git gnupg2 gzip \
               make patch unzip xz-utils python3 python3-dev tree
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup non-root user
@@ -133,7 +133,7 @@ jobs:
               make patch unzip which xz python3 python3-devel tree \
               cmake bison
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup repo
@@ -145,8 +145,8 @@ jobs:
       - name: Bootstrap clingo
         run: |
           source share/spack/setup-env.sh
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack external find cmake bison
           spack -d solve zlib
           tree ~/.spack/bootstrap/store/
@@ -158,16 +158,13 @@ jobs:
         run: |
           brew install cmake bison@2.7 tree
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
-        with:
-          python-version: "3.12"
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Bootstrap clingo
         run: |
           source share/spack/setup-env.sh
           export PATH=/usr/local/opt/bison@2.7/bin:$PATH
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack external find --not-buildable cmake bison
           spack -d solve zlib
           tree ~/.spack/bootstrap/store/
@@ -176,17 +173,17 @@ jobs:
     runs-on: ${{ matrix.macos-version }}
     strategy:
       matrix:
-        macos-version: ['macos-12']
+        macos-version: ['macos-11', 'macos-12']
     steps:
       - name: Install dependencies
         run: |
           brew install tree
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Bootstrap clingo
         run: |
           set -ex
-          for ver in '3.7' '3.8' '3.9' '3.10' '3.11' ; do
+          for ver in '3.6' '3.7' '3.8' '3.9' '3.10' ; do
             not_found=1
             ver_dir="$(find $RUNNER_TOOL_CACHE/Python -wholename "*/${ver}.*/*/bin" | grep . || true)"
             echo "Testing $ver_dir"
@@ -207,7 +204,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup repo
@@ -217,7 +214,7 @@ jobs:
       - name: Bootstrap clingo
         run: |
           set -ex
-          for ver in '3.7' '3.8' '3.9' '3.10' '3.11' ; do
+          for ver in '3.6' '3.7' '3.8' '3.9' '3.10' ; do
             not_found=1
             ver_dir="$(find $RUNNER_TOOL_CACHE/Python -wholename "*/${ver}.*/*/bin" | grep . || true)"
             echo "Testing $ver_dir"
@@ -250,7 +247,7 @@ jobs:
               bzip2 curl file g++ gcc patchelf gfortran git gzip \
               make patch unzip xz-utils python3 python3-dev tree
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup non-root user
@@ -268,7 +265,6 @@ jobs:
         shell: runuser -u spack-test -- bash {0}
         run: |
           source share/spack/setup-env.sh
-          spack bootstrap disable github-actions-v0.4
           spack bootstrap disable spack-install
           spack -d gpg list
           tree ~/.spack/bootstrap/store/
@@ -287,7 +283,7 @@ jobs:
               make patch unzip xz-utils python3 python3-dev tree \
               gawk
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           fetch-depth: 0
       - name: Setup non-root user
@@ -306,8 +302,8 @@ jobs:
         run: |
           source share/spack/setup-env.sh
           spack solve zlib
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack -d gpg list
           tree ~/.spack/bootstrap/store/
 
@@ -320,11 +316,10 @@ jobs:
           # Remove GnuPG since we want to bootstrap it
           sudo rm -rf /usr/local/bin/gpg
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Bootstrap GnuPG
         run: |
           source share/spack/setup-env.sh
-          spack bootstrap disable github-actions-v0.4
           spack bootstrap disable spack-install
           spack -d gpg list
           tree ~/.spack/bootstrap/store/
@@ -338,13 +333,13 @@ jobs:
           # Remove GnuPG since we want to bootstrap it
           sudo rm -rf /usr/local/bin/gpg
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Bootstrap GnuPG
         run: |
           source share/spack/setup-env.sh
           spack solve zlib
-          spack bootstrap disable github-actions-v0.5
           spack bootstrap disable github-actions-v0.4
+          spack bootstrap disable github-actions-v0.3
           spack -d gpg list
           tree ~/.spack/bootstrap/store/
 

.github/workflows/build-containers.yml

@@ -38,39 +38,32 @@ jobs:
         # Meaning of the various items in the matrix list
         # 0: Container name (e.g. ubuntu-bionic)
         # 1: Platforms to build for
-        # 2: Base image (e.g. ubuntu:22.04)
+        # 2: Base image (e.g. ubuntu:18.04)
         dockerfile: [[amazon-linux, 'linux/amd64,linux/arm64', 'amazonlinux:2'],
                      [centos7, 'linux/amd64,linux/arm64,linux/ppc64le', 'centos:7'],
                      [centos-stream, 'linux/amd64,linux/arm64,linux/ppc64le', 'centos:stream'],
                      [leap15, 'linux/amd64,linux/arm64,linux/ppc64le', 'opensuse/leap:15'],
+                     [ubuntu-bionic, 'linux/amd64,linux/arm64,linux/ppc64le', 'ubuntu:18.04'],
                      [ubuntu-focal, 'linux/amd64,linux/arm64,linux/ppc64le', 'ubuntu:20.04'],
-                     [ubuntu-jammy, 'linux/amd64,linux/arm64,linux/ppc64le', 'ubuntu:22.04'],
-                     [almalinux8, 'linux/amd64,linux/arm64,linux/ppc64le', 'almalinux:8'],
-                     [almalinux9, 'linux/amd64,linux/arm64,linux/ppc64le', 'almalinux:9'],
-                     [rockylinux8, 'linux/amd64,linux/arm64', 'rockylinux:8'],
-                     [rockylinux9, 'linux/amd64,linux/arm64', 'rockylinux:9'],
-                     [fedora37, 'linux/amd64,linux/arm64,linux/ppc64le', 'fedora:37'],
-                     [fedora38, 'linux/amd64,linux/arm64,linux/ppc64le', 'fedora:38']]
+                     [ubuntu-jammy, 'linux/amd64,linux/arm64,linux/ppc64le', 'ubuntu:22.04']]
     name: Build ${{ matrix.dockerfile[0] }}
     if: github.repository == 'spack/spack'
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
 
-      - uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934
-        id: docker_meta
-        with:
-          images: |
-              ghcr.io/${{ github.repository_owner }}/${{ matrix.dockerfile[0] }}
-              ${{ github.repository_owner }}/${{ matrix.dockerfile[0] }}
-          tags: |
-              type=schedule,pattern=nightly
-              type=schedule,pattern=develop
-              type=semver,pattern={{version}}
-              type=semver,pattern={{major}}.{{minor}}
-              type=semver,pattern={{major}}
-              type=ref,event=branch
-              type=ref,event=pr
+      - name: Set Container Tag Normal (Nightly)
+        run: |
+          container="${{ matrix.dockerfile[0] }}:latest"
+          echo "container=${container}" >> $GITHUB_ENV
+          echo "versioned=${container}" >> $GITHUB_ENV
+
+        # On a new release create a container with the same tag as the release.
+      - name: Set Container Tag on Release
+        if: github.event_name == 'release'
+        run: |
+          versioned="${{matrix.dockerfile[0]}}:${GITHUB_REF##*/}"
+          echo "versioned=${versioned}" >> $GITHUB_ENV
 
       - name: Generate the Dockerfile
         env:
@@ -87,19 +80,19 @@ jobs:
           fi
 
       - name: Upload Dockerfile
-        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
         with:
           name: dockerfiles
           path: dockerfiles
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3
+        uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # @v1
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226
+        uses: docker/setup-buildx-action@f03ac48505955848960e80bbb68046aa35c7b9e7 # @v1
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # @v1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -107,18 +100,21 @@ jobs:
 
       - name: Log in to DockerHub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # @v1
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build & Deploy ${{ matrix.dockerfile[0] }}
-        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # @v2
         with:
           context: dockerfiles/${{ matrix.dockerfile[0] }}
           platforms: ${{ matrix.dockerfile[1] }}
           push: ${{ github.event_name != 'pull_request' }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          tags: ${{ steps.docker_meta.outputs.tags }}
-          labels: ${{ steps.docker_meta.outputs.labels }}
+          tags: |
+            spack/${{ env.container }}
+            spack/${{ env.versioned }}
+            ghcr.io/spack/${{ env.container }}
+            ghcr.io/spack/${{ env.versioned }}

.github/workflows/ci.yaml

@@ -35,7 +35,7 @@ jobs:
       core: ${{ steps.filter.outputs.core }}
       packages: ${{ steps.filter.outputs.packages }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
         if: ${{ github.event_name == 'push' }}
         with:
           fetch-depth: 0

.github/workflows/nightly-win-builds.yml

@@ -1,31 +0,0 @@
-name: Windows Paraview Nightly
-
-on:
-  schedule:
-    - cron: '0 2 * * *' # Run at 2 am
-
-defaults:
-  run:
-    shell:
-     powershell Invoke-Expression -Command "./share/spack/qa/windows_test_setup.ps1"; {0}
-
-
-jobs:
-  build-paraview-deps:
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      with:
-        fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
-      with:
-        python-version: 3.9
-    - name: Install Python packages
-      run: |
-          python -m pip install --upgrade pip six pywin32 setuptools coverage
-    - name: Build Test
-      run: |
-        spack compiler find
-        spack external find cmake ninja win-sdk win-wdk wgl msmpi
-        spack -d install -y --cdash-upload-url https://cdash.spack.io/submit.php?project=Spack+on+Windows --cdash-track Nightly --only dependencies paraview
-        exit 0

.github/workflows/style/requirements.txt

@@ -1,7 +0,0 @@
-black==23.10.1
-clingo==5.6.2
-flake8==6.1.0
-isort==5.12.0
-mypy==1.6.1
-types-six==1.16.21.9
-vermin==1.5.2

.github/workflows/unit_tests.yaml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         concretizer: ['clingo']
         on_develop:
         - ${{ github.ref == 'refs/heads/develop' }}
@@ -45,16 +45,12 @@ jobs:
           os: ubuntu-latest
           concretizer: 'clingo'
           on_develop: false
-        - python-version: '3.11'
-          os: ubuntu-latest
-          concretizer: 'clingo'
-          on_develop: false
 
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install System packages
@@ -66,7 +62,7 @@ jobs:
               cmake bison libbison-dev kcov
     - name: Install Python packages
       run: |
-          pip install --upgrade pip setuptools pytest pytest-xdist pytest-cov
+          pip install --upgrade pip six setuptools pytest codecov[toml] pytest-xdist pytest-cov
           pip install --upgrade flake8 "isort>=4.3.5" "mypy>=0.900" "click" "black"
     - name: Setup git configuration
       run: |
@@ -91,17 +87,17 @@ jobs:
           UNIT_TEST_COVERAGE: ${{ matrix.python-version == '3.11' }}
       run: |
           share/spack/qa/run-unit-tests
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
       with:
         flags: unittests,linux,${{ matrix.concretizer }}
   # Test shell integration
   shell:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: '3.11'
     - name: Install System packages
@@ -111,7 +107,7 @@ jobs:
           sudo apt-get install -y coreutils kcov csh zsh tcsh fish dash bash
     - name: Install Python packages
       run: |
-          pip install --upgrade pip setuptools pytest coverage[toml] pytest-xdist
+          pip install --upgrade pip six setuptools pytest codecov coverage[toml] pytest-xdist
     - name: Setup git configuration
       run: |
           # Need this for the git tests to succeed.
@@ -122,7 +118,7 @@ jobs:
           COVERAGE: true
       run: |
           share/spack/qa/run-shell-tests
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
       with:
         flags: shelltests,linux
 
@@ -137,11 +133,10 @@ jobs:
           dnf install -y \
               bzip2 curl file gcc-c++ gcc gcc-gfortran git gnupg2 gzip \
               make patch tcl unzip which xz
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
     - name: Setup repo and non-root user
       run: |
           git --version
-          git config --global --add safe.directory /__w/spack/spack
           git fetch --unshallow
           . .github/workflows/setup_git.sh
           useradd spack-test
@@ -156,10 +151,10 @@ jobs:
   clingo-cffi:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: '3.11'
     - name: Install System packages
@@ -168,8 +163,7 @@ jobs:
           sudo apt-get -y install coreutils cvs gfortran graphviz gnupg2 mercurial ninja-build kcov
     - name: Install Python packages
       run: |
-          pip install --upgrade pip setuptools pytest coverage[toml] pytest-cov clingo pytest-xdist
-          pip install --upgrade flake8 "isort>=4.3.5" "mypy>=0.900" "click" "black"
+          pip install --upgrade pip six setuptools pytest codecov coverage[toml] pytest-cov clingo pytest-xdist
     - name: Setup git configuration
       run: |
           # Need this for the git tests to succeed.
@@ -181,7 +175,7 @@ jobs:
           SPACK_TEST_SOLVER: clingo
       run: |
           share/spack/qa/run-unit-tests
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # @v2.1.0
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 # @v2.1.0
       with:
         flags: unittests,linux,clingo
   # Run unit tests on MacOS
@@ -189,18 +183,18 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.10"]
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Python packages
       run: |
-          pip install --upgrade pip setuptools
-          pip install --upgrade pytest coverage[toml] pytest-xdist pytest-cov
+          pip install --upgrade pip six setuptools
+          pip install --upgrade pytest codecov coverage[toml] pytest-xdist pytest-cov
     - name: Setup Homebrew packages
       run: |
         brew install dash fish gcc gnupg2 kcov
@@ -216,6 +210,6 @@ jobs:
         $(which spack) solve zlib
         common_args=(--dist loadfile --tx '4*popen//python=./bin/spack-tmpconfig python -u ./bin/spack python' -x)
         $(which spack) unit-test --cov --cov-config=pyproject.toml --cov-report=xml:coverage.xml "${common_args[@]}"
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
       with:
         flags: unittests,macos

.github/workflows/valid-style.yml

@@ -18,15 +18,15 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: '3.11'
         cache: 'pip'
     - name: Install Python Packages
       run: |
-        pip install --upgrade pip setuptools
-        pip install -r .github/workflows/style/requirements.txt
+        pip install --upgrade pip
+        pip install --upgrade vermin
     - name: vermin (Spack's Core)
       run: vermin --backport importlib --backport argparse --violations --backport typing -t=3.6- -vvv lib/spack/spack/ lib/spack/llnl/ bin/
     - name: vermin (Repositories)
@@ -35,17 +35,16 @@ jobs:
   style:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # @v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # @v2
       with:
         python-version: '3.11'
         cache: 'pip'
     - name: Install Python packages
       run: |
-        pip install --upgrade pip setuptools
-        pip install -r .github/workflows/style/requirements.txt
+        python3 -m pip install --upgrade pip six setuptools types-six black==23.1.0 mypy isort clingo flake8
     - name: Setup git configuration
       run: |
         # Need this for the git tests to succeed.
@@ -59,30 +58,3 @@ jobs:
     with:
       with_coverage: ${{ inputs.with_coverage }}
       python_version: '3.11'
-  # Check that spack can bootstrap the development environment on Python 3.6 - RHEL8
-  bootstrap-dev-rhel8:
-    runs-on: ubuntu-latest
-    container: registry.access.redhat.com/ubi8/ubi
-    steps:
-      - name: Install dependencies
-        run: |
-          dnf install -y \
-              bzip2 curl file gcc-c++ gcc gcc-gfortran git gnupg2 gzip \
-              make patch tcl unzip which xz
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
-      - name: Setup repo and non-root user
-        run: |
-          git --version
-          git config --global --add safe.directory /__w/spack/spack
-          git fetch --unshallow
-          . .github/workflows/setup_git.sh
-          useradd spack-test
-          chown -R spack-test .
-      - name: Bootstrap Spack development environment
-        shell: runuser -u spack-test -- bash {0}
-        run: |
-          source share/spack/setup-env.sh
-          spack debug report
-          spack -d bootstrap now --dev
-          spack style -t black
-          spack unit-test -V

.github/workflows/windows_python.yml

@@ -15,15 +15,15 @@ jobs:
   unit-tests:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
       with:
         python-version: 3.9
     - name: Install Python packages
       run: |
-          python -m pip install --upgrade pip pywin32 setuptools pytest-cov clingo
+          python -m pip install --upgrade pip six pywin32 setuptools codecov pytest-cov clingo
     - name: Create local develop
       run: |
         ./.github/workflows/setup_git.ps1
@@ -33,21 +33,21 @@ jobs:
         ./share/spack/qa/validate_last_exit.ps1
         coverage combine -a
         coverage xml
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
       with:
         flags: unittests,windows
   unit-tests-cmd:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
       with:
         python-version: 3.9
     - name: Install Python packages
       run: |
-          python -m pip install --upgrade pip pywin32 setuptools coverage pytest-cov clingo
+          python -m pip install --upgrade pip six pywin32 setuptools codecov coverage pytest-cov clingo
     - name: Create local develop
       run: |
         ./.github/workflows/setup_git.ps1
@@ -57,23 +57,99 @@ jobs:
         ./share/spack/qa/validate_last_exit.ps1
         coverage combine -a
         coverage xml
-    - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d
+    - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
       with:
         flags: unittests,windows
   build-abseil:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236
+    - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
       with:
         python-version: 3.9
     - name: Install Python packages
       run: |
-          python -m pip install --upgrade pip pywin32 setuptools coverage
+          python -m pip install --upgrade pip six pywin32 setuptools codecov coverage
     - name: Build Test
       run: |
         spack compiler find
-        spack -d external find cmake ninja
+        spack external find cmake
+        spack external find ninja
         spack -d install abseil-cpp
+  # TODO: johnwparent - reduce the size of the installer operations
+  # make-installer:
+  #   runs-on: windows-latest
+  #   steps:
+  #   - name: Disable Windows Symlinks
+  #     run: |
+  #       git config --global core.symlinks false
+  #     shell:
+  #       powershell
+  #   - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+  #     with:
+  #       fetch-depth: 0
+  #   - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
+  #     with:
+  #       python-version: 3.9
+  #   - name: Install Python packages
+  #     run: |
+  #         python -m pip install --upgrade pip six pywin32 setuptools
+  #   - name: Add Light and Candle to Path
+  #     run: |
+  #       $env:WIX >> $GITHUB_PATH
+  #   - name: Run Installer
+  #     run: |
+  #       ./share/spack/qa/setup_spack_installer.ps1
+  #       spack make-installer -s . -g SILENT pkg
+  #       echo "installer_root=$((pwd).Path)" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
+  #     env:
+  #       ProgressPreference: SilentlyContinue
+  #   - uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb
+  #     with:
+  #       name: Windows Spack Installer Bundle
+  #       path: ${{ env.installer_root }}\pkg\Spack.exe
+  #   - uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb
+  #     with:
+  #       name: Windows Spack Installer
+  #       path: ${{ env.installer_root}}\pkg\Spack.msi
+  # execute-installer:
+  #   needs: make-installer
+  #   runs-on: windows-latest
+  #   defaults:
+  #     run:
+  #       shell: pwsh
+  #   steps:
+  #   - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
+  #     with:
+  #       python-version: 3.9
+  #   - name: Install Python packages
+  #     run: |
+  #         python -m pip install --upgrade pip six pywin32 setuptools
+  #   - name: Setup installer directory
+  #     run: |
+  #       mkdir -p spack_installer
+  #       echo "spack_installer=$((pwd).Path)\spack_installer" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
+  #   - uses: actions/download-artifact@v3
+  #     with:
+  #       name: Windows Spack Installer Bundle
+  #       path: ${{ env.spack_installer }}
+  #   - name: Execute Bundled Installer
+  #     run: |
+  #       $proc = Start-Process  ${{ env.spack_installer }}\spack.exe "/install /quiet" -Passthru
+  #       $handle = $proc.Handle # cache proc.Handle
+  #       $proc.WaitForExit();
+  #       $LASTEXITCODE
+  #     env:
+  #       ProgressPreference: SilentlyContinue
+  #   - uses: actions/download-artifact@v3
+  #     with:
+  #       name: Windows Spack Installer
+  #       path: ${{ env.spack_installer }}
+  #   - name: Execute MSI
+  #     run: |
+  #       $proc = Start-Process  ${{ env.spack_installer }}\spack.msi "/quiet" -Passthru
+  #       $handle = $proc.Handle # cache proc.Handle
+  #       $proc.WaitForExit();
+  #       $LASTEXITCODE

.readthedocs.yml

@@ -1,16 +1,10 @@
 version: 2
 
-build:
-  os: "ubuntu-22.04"
-  apt_packages:
-    - graphviz
-  tools:
-    python: "3.11"
-
 sphinx:
   configuration: lib/spack/docs/conf.py
   fail_on_warning: true
 
 python:
+  version: 3.7
   install:
     - requirements: lib/spack/docs/requirements.txt

CHANGELOG.md

@@ -1,611 +1,3 @@
-# v0.21.3 (2024-10-02)
-
-## Bugfixes
-- Forward compatibility with Spack 0.23 packages with language dependencies (#45205, #45191)
-- Forward compatibility with `urllib` from Python 3.12.6+ (#46453, #46483)
-- Bump `archspec` to 0.2.5-dev for better aarch64 and Windows support (#42854, #44005,
-  #45721, #46445)
-- Support macOS Sequoia (#45018, #45127, #43862)
-- CI and test maintenance (#42909, #42728, #46711, #41943, #43363)
-
-# v0.21.2 (2024-03-01)
-
-## Bugfixes
-
-- Containerize: accommodate nested or pre-existing spack-env paths (#41558)
-- Fix setup-env script, when going back and forth between instances (#40924)
-- Fix using fully-qualified namespaces from root specs (#41957)
-- Fix a bug when a required provider is requested for multiple virtuals (#42088)
-- OCI buildcaches:
-  - only push in parallel when forking (#42143)
-  - use pickleable errors (#42160)
-- Fix using sticky variants in externals (#42253)
-- Fix a rare issue with conditional requirements and multi-valued variants (#42566)
-
-## Package updates
-- rust: add v1.75, rework a few variants (#41161,#41903)
-- py-transformers: add v4.35.2 (#41266)
-- mgard: fix OpenMP on AppleClang (#42933)
-
-# v0.21.1 (2024-01-11)
-
-## New features
-- Add support for reading buildcaches created by Spack v0.22 (#41773)
-
-## Bugfixes
-
-- spack graph: fix coloring with environments (#41240)
-- spack info: sort variants in --variants-by-name (#41389)
-- Spec.format: error on old style format strings (#41934)
-- ASP-based solver: 
-  - fix infinite recursion when computing concretization errors (#41061)
-  - don't error for type mismatch on preferences (#41138)
-  - don't emit spurious debug output (#41218)
-- Improve the error message for deprecated preferences (#41075)
-- Fix MSVC preview version breaking clingo build on Windows (#41185)
-- Fix multi-word aliases (#41126)
-- Add a warning for unconfigured compiler (#41213)
-- environment: fix an issue with deconcretization/reconcretization of specs (#41294)
-- buildcache: don't error if a patch is missing, when installing from binaries (#41986)
-- Multiple improvements to unit-tests (#41215,#41369,#41495,#41359,#41361,#41345,#41342,#41308,#41226)
-
-## Package updates
-- root: add a webgui patch to address security issue (#41404)
-- BerkeleyGW: update source urls (#38218)
-
-# v0.21.0 (2023-11-11)
-
-`v0.21.0` is a major feature release.
-
-## Features in this release
-
-1. **Better error messages with condition chaining**
-
-   In v0.18, we added better error messages that could tell you what problem happened,
-   but they couldn't tell you *why* it happened. `0.21` adds *condition chaining* to the
-   solver, and Spack can now trace back through the conditions that led to an error and
-   build a tree of causes potential causes and where they came from. For example:
-
-   ```console
-   $ spack solve hdf5 ^cmake@3.0.1
-   ==> Error: concretization failed for the following reasons:
-
-      1. Cannot satisfy 'cmake@3.0.1'
-      2. Cannot satisfy 'cmake@3.0.1'
-           required because hdf5 ^cmake@3.0.1 requested from CLI
-      3. Cannot satisfy 'cmake@3.18:' and 'cmake@3.0.1
-           required because hdf5 ^cmake@3.0.1 requested from CLI
-           required because hdf5 depends on cmake@3.18: when @1.13:
-             required because hdf5 ^cmake@3.0.1 requested from CLI
-      4. Cannot satisfy 'cmake@3.12:' and 'cmake@3.0.1
-           required because hdf5 depends on cmake@3.12:
-             required because hdf5 ^cmake@3.0.1 requested from CLI
-           required because hdf5 ^cmake@3.0.1 requested from CLI
-   ```
-
-   More details in #40173.
-
-2. **OCI build caches**
-
-   You can now use an arbitrary [OCI](https://opencontainers.org) registry as a build
-   cache:
-
-   ```console
-   $ spack mirror add my_registry oci://user/image # Dockerhub
-   $ spack mirror add my_registry oci://ghcr.io/haampie/spack-test # GHCR
-   $ spack mirror set --push --oci-username ... --oci-password ... my_registry  # set login creds
-   $ spack buildcache push my_registry [specs...]
-   ```
-
-   And you can optionally add a base image to get *runnable* images:
-
-   ```console
-   $ spack buildcache push --base-image ubuntu:23.04 my_registry python
-   Pushed ... as [image]:python-3.11.2-65txfcpqbmpawclvtasuog4yzmxwaoia.spack
-
-   $ docker run --rm -it [image]:python-3.11.2-65txfcpqbmpawclvtasuog4yzmxwaoia.spack
-   ```
-
-   This creates a container image from the Spack installations on the host system,
-   without the need to run `spack install` from a `Dockerfile` or `sif` file. It also
-   addresses the inconvenience of losing binaries of dependencies when `RUN spack
-   install` fails inside `docker build`.
-
-   Further, the container image layers and build cache tarballs are the same files. This
-   means that `spack install` and `docker pull` use the exact same underlying binaries.
-   If you previously used `spack install` inside of `docker build`, this feature helps
-   you save storage by a factor two.
-
-   More details in #38358.
-
-3. **Multiple versions of build dependencies**
-
-   Increasingly, complex package builds require multiple versions of some build
-   dependencies. For example, Python packages frequently require very specific versions
-   of `setuptools`, `cython`, and sometimes different physics packages require different
-   versions of Python to build. The concretizer enforced that every solve was *unified*,
-   i.e., that there only be one version of every package. The concretizer now supports
-   "duplicate" nodes for *build dependencies*, but enforces unification through
-   transitive link and run dependencies. This will allow it to better resolve complex
-   dependency graphs in ecosystems like Python, and it also gets us very close to
-   modeling compilers as proper dependencies.
-
-   This change required a major overhaul of the concretizer, as well as a number of
-   performance optimizations. See #38447, #39621.
-
-4. **Cherry-picking virtual dependencies**
-
-   You can now select only a subset of virtual dependencies from a spec that may provide
-   more. For example, if you want `mpich` to be your `mpi` provider, you can be explicit
-   by writing:
-
-   ```
-   hdf5 ^[virtuals=mpi] mpich
-   ```
-
-   Or, if you want to use, e.g., `intel-parallel-studio` for `blas` along with an external
-   `lapack` like `openblas`, you could write:
-
-   ```
-   strumpack ^[virtuals=mpi] intel-parallel-studio+mkl ^[virtuals=lapack] openblas
-   ```
-
-   The `virtuals=mpi` is an edge attribute, and dependency edges in Spack graphs now
-   track which virtuals they satisfied. More details in #17229 and #35322.
-
-   Note for packaging: in Spack 0.21 `spec.satisfies("^virtual")` is true if and only if
-   the package specifies `depends_on("virtual")`. This is different from Spack 0.20,
-   where depending on a provider implied depending on the virtual provided. See #41002
-   for an example where `^mkl` was being used to test for several `mkl` providers in a
-   package that did not depend on `mkl`.
-
-5. **License directive**
-
-   Spack packages can now have license metadata, with the new `license()` directive:
-
-   ```python
-       license("Apache-2.0")
-   ```
-
-   Licenses use [SPDX identifiers](https://spdx.org/licenses), and you can use SPDX
-   expressions to combine them:
-
-   ```python
-       license("Apache-2.0 OR MIT")
-   ```
-
-   Like other directives in Spack, it's conditional, so you can handle complex cases like
-   Spack itself:
-
-   ```python
-      license("LGPL-2.1", when="@:0.11")
-      license("Apache-2.0 OR MIT", when="@0.12:")
-   ```
-
-   More details in #39346, #40598.
-
-6. **`spack deconcretize` command**
-
-   We are getting close to having a `spack update` command for environments, but we're
-   not quite there yet. This is the next best thing. `spack deconcretize` gives you
-   control over what you want to update in an already concrete environment. If you have
-   an environment built with, say, `meson`, and you want to update your `meson` version,
-   you can run:
-
-   ```console
-   spack deconcretize meson
-   ```
-
-   and have everything that depends on `meson` rebuilt the next time you run `spack
-   concretize`. In a future Spack version, we'll handle all of this in a single command,
-   but for now you can use this to drop bits of your lockfile and resolve your
-   dependencies again. More in #38803.
-
-7. **UI Improvements**
-
-   The venerable `spack info` command was looking shabby compared to the rest of Spack's
-   UI, so we reworked it to have a bit more flair. `spack info` now makes much better
-   use of terminal space and shows variants, their values, and their descriptions much
-   more clearly. Conditional variants are grouped separately so you can more easily
-   understand how packages are structured. More in #40998.
-
-   `spack checksum` now allows you to filter versions from your editor, or by version
-   range. It also notifies you about potential download URL changes. See #40403.
-
-8. **Environments can include definitions**
-
-   Spack did not previously support using `include:` with The
-   [definitions](https://spack.readthedocs.io/en/latest/environments.html#spec-list-references)
-   section of an environment, but now it does. You can use this to curate lists of specs
-   and more easily reuse them across environments. See #33960.
-
-9. **Aliases**
-
-   You can now add aliases to Spack commands in `config.yaml`, e.g. this might enshrine
-   your favorite args to `spack find` as `spack f`:
-
-   ```yaml
-   config:
-     aliases:
-       f: find -lv
-   ```
-
-   See #17229.
-
-10. **Improved autoloading of modules**
-
-    Spack 0.20 was the first release to enable autoloading of direct dependencies in
-    module files.
-
-    The downside of this was that `module avail` and `module load` tab completion would
-    show users too many modules to choose from, and many users disabled generating
-    modules for dependencies through `exclude_implicits: true`. Further, it was
-    necessary to keep hashes in module names to avoid file name clashes.
-
-    In this release, you can start using `hide_implicits: true` instead, which exposes
-    only explicitly installed packages to the user, while still autoloading
-    dependencies. On top of that, you can safely use `hash_length: 0`, as this config
-    now only applies to the modules exposed to the user -- you don't have to worry about
-    file name clashes for hidden dependencies.
-
-   Note: for `tcl` this feature requires Modules 4.7 or higher
-
-11. **Updated container labeling**
-
-    Nightly Docker images from the `develop` branch will now be tagged as `:develop` and
-    `:nightly`. The `:latest` tag is no longer associated with `:develop`, but with the
-    latest stable release. Releases will be tagged with `:{major}`, `:{major}.{minor}`
-    and `:{major}.{minor}.{patch}`. `ubuntu:18.04` has also been removed from the list of
-    generated Docker images, as it is no longer supported. See #40593.
-
-## Other new commands and directives
-
-* `spack env activate` without arguments now loads a `default` environment that you do
-  not have to create (#40756).
-* `spack find -H` / `--hashes`: a new shortcut for piping `spack find` output to
-  other commands (#38663)
-* Add `spack checksum --verify`, fix `--add` (#38458)
-* New `default_args` context manager factors out common args for directives (#39964)
-* `spack compiler find --[no]-mixed-toolchain` lets you easily mix `clang` and
-  `gfortran` on Linux (#40902)
-
-## Performance improvements
-
-* `spack external find` execution is now much faster (#39843)
-* `spack location -i` now much faster on success (#40898)
-* Drop redundant rpaths post install (#38976)
-* ASP-based solver: avoid cycles in clingo using hidden directive (#40720)
-* Fix multiple quadratic complexity issues in environments (#38771)
-
-## Other new features of note
-
-* archspec: update to v0.2.2, support for Sapphire Rapids, Power10, Neoverse V2 (#40917)
-* Propagate variants across nodes that don't have that variant (#38512)
-* Implement fish completion (#29549)
-* Can now distinguish between source/binary mirror; don't ping mirror.spack.io as much (#34523)
-* Improve status reporting on install (add [n/total] display) (#37903)
-
-## Windows
-
-This release has the best Windows support of any Spack release yet, with numerous
-improvements and much larger swaths of tests passing:
-
-* MSVC and SDK improvements (#37711, #37930, #38500, #39823, #39180)
-* Windows external finding: update default paths; treat .bat as executable on Windows (#39850)
-* Windows decompression: fix removal of intermediate file (#38958)
-* Windows: executable/path handling (#37762)
-* Windows build systems: use ninja and enable tests (#33589)
-* Windows testing (#36970, #36972, #36973, #36840, #36977, #36792, #36834, #34696, #36971)
-* Windows PowerShell support (#39118, #37951)
-* Windows symlinking and libraries (#39933, #38599, #34701, #38578, #34701)
-
-## Notable refactors
-* User-specified flags take precedence over others in Spack compiler wrappers (#37376)
-* Improve setup of build, run, and test environments (#35737, #40916)
-* `make` is no longer a required system dependency of Spack (#40380)
-* Support Python 3.12 (#40404, #40155, #40153)
-* docs: Replace package list with packages.spack.io (#40251)
-* Drop Python 2 constructs in Spack (#38720, #38718, #38703)
-
-## Binary cache and stack updates
-* e4s arm stack: duplicate and target neoverse v1 (#40369)
-* Add macOS ML CI stacks (#36586)
-* E4S Cray CI Stack (#37837)
-* e4s cray: expand spec list (#38947)
-* e4s cray sles ci: expand spec list (#39081)
-
-## Removals, deprecations, and syntax changes
-* ASP: targets, compilers and providers soft-preferences are only global (#31261)
-* Parser: fix ambiguity with whitespace in version ranges (#40344)
-* Module file generation is disabled by default; you'll need to enable it to use it (#37258)
-* Remove deprecated "extra_instructions" option for containers (#40365)
-* Stand-alone test feature deprecation postponed to v0.22 (#40600)
-* buildcache push: make `--allow-root` the default and deprecate the option (#38878)
-
-## Notable Bugfixes
-* Bugfix: propagation of multivalued variants (#39833)
-* Allow `/` in git versions (#39398)
-* Fetch & patch: actually acquire stage lock, and many more issues (#38903)
-* Environment/depfile: better escaping of targets with Git versions (#37560)
-* Prevent "spack external find" to error out on wrong permissions (#38755)
-* lmod: allow core compiler to be specified with a version range (#37789)
-
-## Spack community stats
-
-* 7,469 total packages, 303 new since `v0.20.0`
-    * 150 new Python packages
-    * 34 new R packages
-* 353 people contributed to this release
-    * 336 committers to packages
-    * 65 committers to core
-
-
-# v0.20.3 (2023-10-31)
-
-## Bugfixes
-
-- Fix a bug where `spack mirror set-url` would drop configured connection info (reverts #34210)
-- Fix a minor issue with package hash computation for Python 3.12 (#40328)
-
-
-# v0.20.2 (2023-10-03)
-
-## Features in this release
-
-Spack now supports Python 3.12 (#40155)
-
-## Bugfixes
-
-- Improve escaping in Tcl module files (#38375)
-- Make repo cache work on repositories with zero mtime (#39214)
-- Ignore errors for newer, incompatible buildcache version (#40279)
-- Print an error when git is required, but missing (#40254)
-- Ensure missing build dependencies get installed when using `spack install --overwrite` (#40252)
-- Fix an issue where Spack freezes when the build process unexpectedly exits (#39015)
-- Fix a bug where installation failures cause an unrelated `NameError` to be thrown (#39017)
-- Fix an issue where Spack package versions would be incorrectly derived from git tags (#39414)
-- Fix a bug triggered when file locking fails internally (#39188)
-- Prevent "spack external find" to error out when a directory cannot be accessed (#38755)
-- Fix multiple performance regressions in environments (#38771)
-- Add more ignored modules to `pyproject.toml` for `mypy` (#38769)
-
-
-# v0.20.1 (2023-07-10)
-
-## Spack Bugfixes
-
-- Spec removed from an environment where not actually removed if `--force` was not given (#37877)
-- Speed-up module file generation (#37739)
-- Hotfix for a few recipes that treat CMake as a link dependency (#35816)
-- Fix re-running stand-alone test a second time, which was getting a trailing spurious failure (#37840)
-- Fixed reading JSON manifest on Cray, reporting non-concrete specs (#37909)
-- Fixed a few bugs when generating Dockerfiles from Spack (#37766,#37769)
-- Fixed a few long-standing bugs when generating module files (#36678,#38347,#38465,#38455)
-- Fixed issues with building Python extensions using an external Python (#38186)
-- Fixed compiler removal from command line (#38057)
-- Show external status as [e] (#33792)
-- Backported `archspec` fixes (#37793)
-- Improved a few error messages (#37791)
-
-
-# v0.20.0 (2023-05-21)
-
-`v0.20.0` is a major feature release.
-
-## Features in this release
-
-1. **`requires()` directive and enhanced package requirements**
-
-   We've added some more enhancements to requirements in Spack (#36286).
-
-   There is a new `requires()` directive for packages. `requires()` is the opposite of
-   `conflicts()`. You can use it to impose constraints on this package when certain
-   conditions are met:
-
-   ```python
-   requires(
-       "%apple-clang",
-       when="platform=darwin",
-       msg="This package builds only with clang on macOS"
-   )
-   ```
-
-   More on this in [the docs](
-     https://spack.rtfd.io/en/latest/packaging_guide.html#conflicts-and-requirements).
-
-   You can also now add a `when:` clause to `requires:` in your `packages.yaml`
-   configuration or in an environment:
-
-   ```yaml
-   packages:
-     openmpi:
-       require:
-       - any_of: ["%gcc"]
-         when: "@:4.1.4"
-         message: "Only OpenMPI 4.1.5 and up can build with fancy compilers"
-   ```
-
-   More details can be found [here](
-     https://spack.readthedocs.io/en/latest/build_settings.html#package-requirements)
-
-2. **Exact versions**
-
-   Spack did not previously have a way to distinguish a version if it was a prefix of
-   some other version. For example, `@3.2` would match `3.2`, `3.2.1`, `3.2.2`, etc. You
-   can now match *exactly* `3.2` with `@=3.2`. This is useful, for example, if you need
-   to patch *only* the `3.2` version of a package. The new syntax is described in [the docs](
-     https://spack.readthedocs.io/en/latest/basic_usage.html#version-specifier).
-
-   Generally, when writing packages, you should prefer to use ranges like `@3.2` over
-   the specific versions, as this allows the concretizer more leeway when selecting
-   versions of dependencies. More details and recommendations are in the [packaging guide](
-     https://spack.readthedocs.io/en/latest/packaging_guide.html#ranges-versus-specific-versions).
-
-   See #36273 for full details on the version refactor.
-
-3. **New testing interface**
-
-   Writing package tests is now much simpler with a new [test interface](
-     https://spack.readthedocs.io/en/latest/packaging_guide.html#stand-alone-tests).
-
-   Writing a test is now as easy as adding a method that starts with `test_`:
-
-   ```python
-   class MyPackage(Package):
-       ...
-
-       def test_always_fails(self):
-           """use assert to always fail"""
-           assert False
-
-       def test_example(self):
-           """run installed example"""
-           example = which(self.prefix.bin.example)
-           example()
-    ```
-
-    You can use Python's native `assert` statement to implement your checks -- no more
-    need to fiddle with `run_test` or other test framework methods. Spack will
-    introspect the class and run `test_*` methods when you run `spack test`,
-
-4. **More stable concretization**
-
-   * Now, `spack concretize` will *only* concretize the new portions of the environment
-     and will not change existing parts of an environment unless you specify `--force`.
-     This has always been true for `unify:false`, but not for `unify:true` and
-     `unify:when_possible` environments. Now it is true for all of them (#37438, #37681).
-
-   * The concretizer has a new `--reuse-deps` argument that *only* reuses dependencies.
-     That is, it will always treat the *roots* of your environment as it would with
-     `--fresh`. This allows you to upgrade just the roots of your environment while
-     keeping everything else stable (#30990).
-
-5. **Weekly develop snapshot releases**
-
-   Since last year, we have maintained a buildcache of `develop` at
-   https://binaries.spack.io/develop, but the cache can grow to contain so many builds
-   as to be unwieldy. When we get a stable `develop` build, we snapshot the release and
-   add a corresponding tag the Spack repository. So, you can use a stack from a specific
-   day. There are now tags in the spack repository like:
-
-   * `develop-2023-05-14`
-   * `develop-2023-05-18`
-
-   that correspond to build caches like:
-
-   * https://binaries.spack.io/develop-2023-05-14/e4s
-   * https://binaries.spack.io/develop-2023-05-18/e4s
-
-   We plan to store these snapshot releases weekly.
-
-6. **Specs in buildcaches can be referenced by hash.**
-
-   * Previously, you could run `spack buildcache list` and see the hashes in
-     buildcaches, but referring to them by hash would fail.
-   * You can now run commands like `spack spec` and `spack install` and refer to
-     buildcache hashes directly, e.g. `spack install /abc123` (#35042)
-
-7. **New package and buildcache index websites**
-
-   Our public websites for searching packages have been completely revamped and updated.
-   You can check them out here:
-
-   * *Package Index*: https://packages.spack.io
-   * *Buildcache Index*: https://cache.spack.io
-
-   Both are searchable and more interactive than before. Currently major releases are
-   shown; UI for browsing `develop` snapshots is coming soon.
-
-8. **Default CMake and Meson build types are now Release**
-
-   Spack has historically defaulted to building with optimization and debugging, but
-   packages like `llvm` can be enormous with debug turned on. Our default build type for
-   all Spack packages is now `Release` (#36679, #37436). This has a number of benefits:
-
-   * much smaller binaries;
-   * higher default optimization level; and
-   * defining `NDEBUG` disables assertions, which may lead to further speedups.
-
-   You can still get the old behavior back through requirements and package preferences.
-
-## Other new commands and directives
-
-* `spack checksum` can automatically add new versions to package (#24532)
-* new command: `spack pkg grep` to easily search package files (#34388)
-* New `maintainers` directive (#35083)
-* Add `spack buildcache push` (alias to `buildcache create`) (#34861)
-* Allow using `-j` to control the parallelism of concretization (#37608)
-* Add `--exclude` option to 'spack external find' (#35013)
-
-## Other new features of note
-
-* editing: add higher-precedence `SPACK_EDITOR` environment variable
-* Many YAML formatting improvements from updating `ruamel.yaml` to the latest version
-  supporting Python 3.6. (#31091, #24885, #37008).
-* Requirements and preferences should not define (non-git) versions (#37687, #37747)
-* Environments now store spack version/commit in `spack.lock` (#32801)
-* User can specify the name of the `packages` subdirectory in repositories (#36643)
-* Add container images supporting RHEL alternatives (#36713)
-* make version(...) kwargs explicit (#36998)
-
-## Notable refactors
-
-* buildcache create: reproducible tarballs (#35623)
-* Bootstrap most of Spack dependencies using environments (#34029)
-* Split `satisfies(..., strict=True/False)` into two functions (#35681)
-* spack install: simplify behavior when inside environments (#35206)
-
-## Binary cache and stack updates
-
-* Major simplification of CI boilerplate in stacks (#34272, #36045)
-* Many improvements to our CI pipeline's reliability
-
-## Removals, Deprecations, and disablements
-* Module file generation is disabled by default; you'll need to enable it to use it (#37258)
-* Support for Python 2 was deprecated in `v0.19.0` and has been removed. `v0.20.0` only
-  supports Python 3.6 and higher.
-* Deprecated target names are no longer recognized by Spack. Use generic names instead:
-  * `graviton` is now `cortex_a72`
-  * `graviton2` is now `neoverse_n1`
-  * `graviton3` is now `neoverse_v1`
-* `blacklist` and `whitelist` in module configuration were deprecated in `v0.19.0` and are
-  removed in this release. Use `exclude` and `include` instead.
-* The `ignore=` parameter of the `extends()` directive has been removed. It was not used by
-  any builtin packages and is no longer needed to avoid conflicts in environment views (#35588).
-* Support for the old YAML buildcache format has been removed. It was deprecated in `v0.19.0` (#34347).
-* `spack find --bootstrap` has been removed. It was deprecated in `v0.19.0`. Use `spack
-  --bootstrap find` instead (#33964).
-* `spack bootstrap trust` and `spack bootstrap untrust` are now removed, having been
-  deprecated in `v0.19.0`. Use `spack bootstrap enable` and `spack bootstrap disable`.
-* The `--mirror-name`, `--mirror-url`, and `--directory` options to buildcache and
-  mirror commands were deprecated in `v0.19.0` and have now been removed. They have been
-  replaced by positional arguments (#37457).
-* Deprecate `env:` as top level environment key (#37424)
-* deprecate buildcache create --rel, buildcache install --allow-root (#37285)
-* Support for very old perl-like spec format strings (e.g., `$_$@$%@+$+$=`) has been
-  removed (#37425). This was deprecated in in `v0.15` (#10556).
-
-## Notable Bugfixes
-
-* bugfix: don't fetch package metadata for unknown concrete specs (#36990)
-* Improve package source code context display on error  (#37655)
-* Relax environment manifest filename requirements and lockfile identification criteria (#37413)
-* `installer.py`: drop build edges of installed packages by default (#36707)
-* Bugfix: package requirements with git commits (#35057, #36347)
-* Package requirements: allow single specs in requirement lists (#36258)
-* conditional variant values: allow boolean (#33939)
-* spack uninstall: follow run/link edges on --dependents (#34058)
-
-## Spack community stats
-
-* 7,179 total packages, 499 new since `v0.19.0`
-    * 329 new Python packages
-    * 31 new R packages
-* 336 people contributed to this release
-    * 317 committers to packages
-    * 62 committers to core
-
-
 # v0.19.1 (2023-02-07)
 
 ### Spack Bugfixes

CITATION.cff

@@ -27,53 +27,12 @@
 # And here's the CITATION.cff format:
 #
 cff-version: 1.2.0
-type: software
 message: "If you are referencing Spack in a publication, please cite the paper below."
-title: "The Spack Package Manager: Bringing Order to HPC Software Chaos"
-abstract: >-
-  Large HPC centers spend considerable time supporting software for thousands of users, but the complexity of HPC software is quickly outpacing the capabilities of existing software management tools.
-  Scientific applications require specific versions of compilers, MPI, and other dependency libraries, so using a single, standard software stack is infeasible.
-  However, managing many configurations is difficult because the configuration space is combinatorial in size.
-  We introduce Spack, a tool used at Lawrence Livermore National Laboratory to manage this complexity.
-  Spack provides a novel, re- cursive specification syntax to invoke parametric builds of packages and dependencies.
-  It allows any number of builds to coexist on the same system, and it ensures that installed packages can find their dependencies, regardless of the environment.
-  We show through real-world use cases that Spack supports diverse and demanding applications, bringing order to HPC software chaos.
 preferred-citation:
-  title: "The Spack Package Manager: Bringing Order to HPC Software Chaos"
   type: conference-paper
-  url: "https://tgamblin.github.io/pubs/spack-sc15.pdf"
+  doi: "10.1145/2807591.2807623"
+  url: "https://github.com/spack/spack"
   authors:
-    - family-names: "Gamblin"
-      given-names: "Todd"
-    - family-names: "LeGendre"
-      given-names: "Matthew"
-    - family-names: "Collette"
-      given-names: "Michael R."
-    - family-names: "Lee"
-      given-names: "Gregory L."
-    - family-names: "Moody"
-      given-names: "Adam"
-    - family-names: "de Supinski"
-      given-names: "Bronis R."
-    - family-names: "Futral"
-      given-names: "Scott"
-  conference:
-    name: "Supercomputing 2015 (SC’15)"
-    city: "Austin"
-    region: "Texas"
-    country: "US"
-    date-start: 2015-11-15
-    date-end: 2015-11-20
-  month: 11
-  year: 2015
-  identifiers:
-    - description: "The concept DOI of the work."
-      type: doi
-      value: 10.1145/2807591.2807623
-    - description: "The DOE Document Release Number of the work"
-      type: other 
-      value: "LLNL-CONF-669890"
-authors:
   - family-names: "Gamblin"
     given-names: "Todd"
   - family-names: "LeGendre"
@@ -88,3 +47,12 @@ authors:
     given-names: "Bronis R."
   - family-names: "Futral"
     given-names: "Scott"
+  title: "The Spack Package Manager: Bringing Order to HPC Software Chaos"
+  conference:
+    name: "Supercomputing 2015 (SC’15)"
+    city: "Austin"
+    region: "Texas"
+    country: "USA"
+  month: November 15-20
+  year: 2015
+  notes: LLNL-CONF-669890

README.md

@@ -7,7 +7,6 @@
 [![Read the Docs](https://readthedocs.org/projects/spack/badge/?version=latest)](https://spack.readthedocs.io)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![Slack](https://slack.spack.io/badge.svg)](https://slack.spack.io)
-[![Matrix](https://img.shields.io/matrix/spack-space%3Amatrix.org?label=Matrix)](https://matrix.to/#/#spack-space:matrix.org)
 
 Spack is a multi-platform package manager that builds and installs
 multiple versions and configurations of software. It works on Linux,
@@ -63,10 +62,7 @@ Resources:
 
 * **Slack workspace**: [spackpm.slack.com](https://spackpm.slack.com).
   To get an invitation, visit [slack.spack.io](https://slack.spack.io).
-* **Matrix space**: [#spack-space:matrix.org](https://matrix.to/#/#spack-space:matrix.org):
-  [bridged](https://github.com/matrix-org/matrix-appservice-slack#matrix-appservice-slack) to Slack.
-* [**Github Discussions**](https://github.com/spack/spack/discussions):
-  not just for discussions, but also Q&A.
+* [**Github Discussions**](https://github.com/spack/spack/discussions): not just for discussions, also Q&A.
 * **Mailing list**: [groups.google.com/d/forum/spack](https://groups.google.com/d/forum/spack)
 * **Twitter**: [@spackpm](https://twitter.com/spackpm). Be sure to
   `@mention` us!

SECURITY.md

@@ -2,26 +2,24 @@
 
 ## Supported Versions
 
-We provide security updates for `develop` and for the last two
-stable (`0.x`) release series of Spack. Security updates will be
-made available as patch (`0.x.1`, `0.x.2`, etc.) releases.
-
+We provide security updates for the following releases.
 For more on Spack's release structure, see
 [`README.md`](https://github.com/spack/spack#releases).
 
+
+| Version | Supported          |
+| ------- | ------------------ |
+| develop | :white_check_mark: |
+| 0.19.x  | :white_check_mark: |
+| 0.18.x  | :white_check_mark: |
+
 ## Reporting a Vulnerability
 
-You can report a vulnerability using GitHub's private reporting
-feature:
+To report a vulnerability or other security
+issue, email maintainers@spack.io.
 
-1. Go to [github.com/spack/spack/security](https://github.com/spack/spack/security).
-2. Click "Report a vulnerability" in the upper right corner of that page.
-3. Fill out the form and submit your draft security advisory.
-
-More details are available in
-[GitHub's docs](https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing/privately-reporting-a-security-vulnerability).
-
-You can expect to hear back about security issues within two days.
-If your security issue is accepted, we will do our best to release
-a fix within a week. If fixing the issue will take longer than
-this, we will discuss timeline options with you.
+You can expect to hear back within two days.
+If your security issue is accepted, we will do
+our best to release a fix within a week. If
+fixing the issue will take longer than this,
+we will discuss timeline options with you.

bin/spack

@@ -25,6 +25,8 @@ exit 1
 # Line above is a shell no-op, and ends a python multi-line comment.
 # The code above runs this file with our preferred python interpreter.
 
+from __future__ import print_function
+
 import os
 import os.path
 import sys

bin/spack.bat

@@ -14,7 +14,7 @@
 ::
 @echo off
 
-set spack="%SPACK_ROOT%"\bin\spack
+set spack=%SPACK_ROOT%\bin\spack
 
 ::#######################################################################
 :: This is a wrapper around the spack command that forwards calls to
@@ -50,48 +50,25 @@ setlocal enabledelayedexpansion
 :: flags will always start with '-', e.g. --help or -V
 :: subcommands will never start with '-'
 :: everything after the subcommand is an arg
-
-
-:process_cl_args
-rem Set first cl argument (denoted by %1) to be processed
-set t=%1
-rem shift moves all cl positional arguments left by one
-rem meaning %2 is now %1, this allows us to iterate over each
-rem argument
-shift
-rem assign next "first" cl argument to cl_args, will be null when
-rem there are now further arguments to process
-set cl_args=%1
-if "!t:~0,1!" == "-" (
-    if defined _sp_subcommand (
-        rem  We already have a subcommand, processing args now
-        if not defined _sp_args (
-            set "_sp_args=!t!"
-        ) else (
+for %%x in (%*) do (
+    set t="%%~x"
+    if "!t:~0,1!" == "-" (
+        if defined _sp_subcommand (
+            :: We already have a subcommand, processing args now
             set "_sp_args=!_sp_args! !t!"
-        )
-    ) else (
-        if not defined _sp_flags (
-            set "_sp_flags=!t!"
         ) else (
             set "_sp_flags=!_sp_flags! !t!"
+            shift
         )
-    )
-) else if not defined _sp_subcommand (
-    set "_sp_subcommand=!t!"
-) else (
-    if not defined _sp_args (
-        set "_sp_args=!t!"
+    ) else if not defined _sp_subcommand (
+        set "_sp_subcommand=!t!"
+        shift
     ) else (
         set "_sp_args=!_sp_args! !t!"
+        shift
     )
 )
 
-rem  if this is not nu;ll, we have more tokens to process
-rem  start above process again with remaining unprocessed cl args
-if defined cl_args goto :process_cl_args
-
-
 :: --help, -h and -V flags don't require further output parsing.
 :: If we encounter, execute and exit
 if defined _sp_flags (
@@ -118,21 +95,31 @@ if not defined _sp_subcommand (
 
 :: pass parsed variables outside of local scope. Need to do
 :: this because delayedexpansion can only be set by setlocal
-endlocal & (
-    set "_sp_flags=%_sp_flags%"
-    set "_sp_args=%_sp_args%"
-    set "_sp_subcommand=%_sp_subcommand%"
-)
-
+echo %_sp_flags%>flags
+echo %_sp_args%>args
+echo %_sp_subcommand%>subcmd
+endlocal
+set /p _sp_subcommand=<subcmd
+set /p _sp_flags=<flags
+set /p _sp_args=<args
+if "%_sp_subcommand%"=="ECHO is off." (set "_sp_subcommand=")
+if "%_sp_subcommand%"=="ECHO is on." (set "_sp_subcommand=")
+if "%_sp_flags%"=="ECHO is off." (set "_sp_flags=")
+if "%_sp_flags%"=="ECHO is on." (set "_sp_flags=")
+if "%_sp_args%"=="ECHO is off." (set "_sp_args=")
+if "%_sp_args%"=="ECHO is on." (set "_sp_args=")
+del subcmd
+del flags
+del args
 
 :: Filter out some commands. For any others, just run the command.
-if "%_sp_subcommand%" == "cd" (
+if %_sp_subcommand% == "cd" (
     goto :case_cd
-) else if "%_sp_subcommand%" == "env" (
+) else if %_sp_subcommand% == "env" (
     goto :case_env
-) else if "%_sp_subcommand%" == "load" (
+) else if %_sp_subcommand% == "load" (
     goto :case_load
-) else if "%_sp_subcommand%" == "unload" (
+) else if %_sp_subcommand% == "unload" (
     goto :case_load
 ) else (
     goto :default_case
@@ -167,20 +154,20 @@ goto :end_switch
 if NOT defined _sp_args (
     goto :default_case
 )
-
-if NOT "%_sp_args%"=="%_sp_args:--help=%" (
+set args_no_quote=%_sp_args:"=%
+if NOT "%args_no_quote%"=="%args_no_quote:--help=%" (
     goto :default_case
-) else if NOT "%_sp_args%"=="%_sp_args: -h=%" (
+) else if NOT "%args_no_quote%"=="%args_no_quote: -h=%" (
     goto :default_case
-) else if NOT "%_sp_args%"=="%_sp_args:--bat=%" (
+) else if NOT "%args_no_quote%"=="%args_no_quote:--bat=%" (
     goto :default_case
-) else if NOT "%_sp_args%"=="%_sp_args:deactivate=%" (
+) else if NOT "%args_no_quote%"=="%args_no_quote:deactivate=%" (
     for /f "tokens=* USEBACKQ" %%I in (
-        `call python %spack% %_sp_flags% env deactivate --bat %_sp_args:deactivate=%`
+        `call python %spack% %_sp_flags% env deactivate --bat %args_no_quote:deactivate=%`
     ) do %%I
-) else if NOT "%_sp_args%"=="%_sp_args:activate=%" (
+) else if NOT "%args_no_quote%"=="%args_no_quote:activate=%" (
     for /f "tokens=* USEBACKQ" %%I in (
-        `python %spack% %_sp_flags% env activate --bat %_sp_args:activate=%`
+        `python %spack% %_sp_flags% env activate --bat %args_no_quote:activate=%`
     ) do %%I
 ) else (
     goto :default_case
@@ -192,7 +179,7 @@ goto :end_switch
 if defined _sp_args (
     if NOT "%_sp_args%"=="%_sp_args:--help=%" (
         goto :default_case
-    ) else if NOT "%_sp_args%"=="%_sp_args:-h=%" (
+    ) else if NOT "%_sp_args%"=="%_sp_args: -h=%" (
         goto :default_case
     ) else if NOT "%_sp_args%"=="%_sp_args:--bat=%" (
         goto :default_case
@@ -201,7 +188,7 @@ if defined _sp_args (
 
 for /f "tokens=* USEBACKQ" %%I in (
     `python "%spack%" %_sp_flags% %_sp_subcommand% --bat %_sp_args%`) do %%I
-
+)
 goto :end_switch
 
 :case_unload

bin/spack.ps1

@@ -1,146 +0,0 @@
-#  Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
-#  Spack Project Developers. See the top-level COPYRIGHT file for details.
-
-#  SPDX-License-Identifier: (Apache-2.0 OR MIT)
-# #######################################################################
-
-function Compare-CommonArgs {
-    $CMDArgs = $args[0]
-    # These aruments take precedence and call for no futher parsing of arguments
-    # invoke actual Spack entrypoint with that context and exit after
-    "--help", "-h", "--version", "-V" | ForEach-Object {
-        $arg_opt = $_
-        if(($CMDArgs) -and ([bool]($CMDArgs.Where({$_ -eq $arg_opt})))) {
-            return $true
-        }
-    }
-    return $false
-}
-
-function Read-SpackArgs {
-    $SpackCMD_params = @()
-    $SpackSubCommand = $NULL
-    $SpackSubCommandArgs = @()
-    $args_ = $args[0]
-    $args_ | ForEach-Object {
-        if (!$SpackSubCommand) {
-            if($_.SubString(0,1) -eq "-")
-            {
-                $SpackCMD_params += $_
-            }
-            else{
-                $SpackSubCommand = $_
-            }
-        }
-        else{
-            $SpackSubCommandArgs += $_
-        }
-    }
-    return $SpackCMD_params, $SpackSubCommand, $SpackSubCommandArgs
-}
-
-function Set-SpackEnv {
-    # This method is responsible
-    # for processing the return from $(spack <command>)
-    # which are returned as System.Object[]'s containing
-    # a list of env commands
-    # Invoke-Expression can only handle one command at a time
-    # so we iterate over the list to invoke the env modification
-    # expressions one at a time
-    foreach($envop in $args[0]){
-        Invoke-Expression $envop
-    }
-}
-
-
-function Invoke-SpackCD {
-    if (Compare-CommonArgs $SpackSubCommandArgs) {
-        python "$Env:SPACK_ROOT/bin/spack" cd -h
-    }
-    else {
-        $LOC = $(python "$Env:SPACK_ROOT/bin/spack" location $SpackSubCommandArgs)
-        if (($NULL -ne $LOC)){
-            if ( Test-Path -Path $LOC){
-                Set-Location $LOC
-            }
-            else{
-                exit 1
-            }
-        }
-        else {
-            exit 1
-        }
-    }
-}
-
-function Invoke-SpackEnv {
-    if (Compare-CommonArgs $SpackSubCommandArgs[0]) {
-        python "$Env:SPACK_ROOT/bin/spack" env -h
-    }
-    else {
-        $SubCommandSubCommand = $SpackSubCommandArgs[0]
-        $SubCommandSubCommandArgs = $SpackSubCommandArgs[1..$SpackSubCommandArgs.Count]
-        switch ($SubCommandSubCommand) {
-            "activate" {
-                if (Compare-CommonArgs $SubCommandSubCommandArgs) {
-                    python "$Env:SPACK_ROOT/bin/spack" env activate $SubCommandSubCommandArgs
-                }
-                elseif ([bool]($SubCommandSubCommandArgs.Where({$_ -eq "--pwsh"}))) {
-                    python "$Env:SPACK_ROOT/bin/spack" env activate $SubCommandSubCommandArgs
-                }
-                elseif (!$SubCommandSubCommandArgs) {
-                    python "$Env:SPACK_ROOT/bin/spack" env activate $SubCommandSubCommandArgs
-                }
-                else {
-                    $SpackEnv = $(python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params env activate "--pwsh" $SubCommandSubCommandArgs)
-                    Set-SpackEnv $SpackEnv
-                }
-            }
-            "deactivate" {
-                if ([bool]($SubCommandSubCommandArgs.Where({$_ -eq "--pwsh"}))) {
-                    python"$Env:SPACK_ROOT/bin/spack" env deactivate $SubCommandSubCommandArgs
-                }
-                elseif($SubCommandSubCommandArgs) {
-                    python "$Env:SPACK_ROOT/bin/spack" env deactivate -h
-                }
-                else {
-                    $SpackEnv = $(python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params env deactivate "--pwsh")
-                    Set-SpackEnv $SpackEnv
-                }
-            }
-            default {python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand $SpackSubCommandArgs}
-        }
-    }
-}
-
-function Invoke-SpackLoad {
-    if (Compare-CommonArgs $SpackSubCommandArgs) {
-        python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand $SpackSubCommandArgs
-    }
-    elseif ([bool]($SpackSubCommandArgs.Where({($_ -eq "--pwsh") -or ($_ -eq "--list")}))) {
-        python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand $SpackSubCommandArgs
-    }
-    else {
-        $SpackEnv = $(python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand "--pwsh" $SpackSubCommandArgs)
-        Set-SpackEnv $SpackEnv
-    }
-}
-
-
-$SpackCMD_params, $SpackSubCommand, $SpackSubCommandArgs = Read-SpackArgs $args
-
-if (Compare-CommonArgs $SpackCMD_params) {
-    python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand $SpackSubCommandArgs
-    exit $LASTEXITCODE
-}
-
-# Process Spack commands with special conditions
-# all other commands are piped directly to Spack
-switch($SpackSubCommand)
-{
-    "cd"     {Invoke-SpackCD}
-    "env"    {Invoke-SpackEnv}
-    "load"   {Invoke-SpackLoad}
-    "unload" {Invoke-SpackLoad}
-    default  {python "$Env:SPACK_ROOT/bin/spack" $SpackCMD_params $SpackSubCommand $SpackSubCommandArgs}
-}

etc/spack/defaults/bootstrap.yaml

@@ -9,15 +9,15 @@ bootstrap:
   # may not be able to bootstrap all the software that Spack needs,
   # depending on its type.
   sources:
-  - name: 'github-actions-v0.5'
-    metadata: $spack/share/spack/bootstrap/github-actions-v0.5
   - name: 'github-actions-v0.4'
     metadata: $spack/share/spack/bootstrap/github-actions-v0.4
+  - name: 'github-actions-v0.3'
+    metadata: $spack/share/spack/bootstrap/github-actions-v0.3
   - name: 'spack-install'
     metadata: $spack/share/spack/bootstrap/spack-install
   trusted:
     # By default we trust bootstrapping from sources and from binaries
     # produced on Github via the workflow
-    github-actions-v0.5: true
     github-actions-v0.4: true
+    github-actions-v0.3: true
     spack-install: true

etc/spack/defaults/concretizer.yaml

@@ -13,9 +13,8 @@ concretizer:
   # Whether to consider installed packages or packages from buildcaches when
   # concretizing specs. If `true`, we'll try to use as many installs/binaries
   # as possible, rather than building. If `false`, we'll always give you a fresh
-  # concretization. If `dependencies`, we'll only reuse dependencies but
-  # give you a fresh concretization for your root specs.
-  reuse: dependencies
+  # concretization.
+  reuse: true
   # Options that tune which targets are considered for concretization. The
   # concretization process is very sensitive to the number targets, and the time
   # needed to reach a solution increases noticeably with the number of targets
@@ -36,9 +35,3 @@ concretizer:
   # on each root spec, allowing different versions and variants of the same package in
   # an environment.
   unify: true
-  # Option to deal with possible duplicate nodes (i.e. different nodes from the same package) in the DAG.
-  duplicates:
-    # "none": allows a single node for any package in the DAG.
-    # "minimal": allows the duplication of 'build-tools' nodes only (e.g. py-setuptools, cmake etc.)
-    # "full" (experimental): allows separation of the entire build-tool stack (e.g. the entire "cmake" subDAG)
-    strategy: minimal

etc/spack/defaults/config.yaml

@@ -216,11 +216,10 @@ config:
   # manipulation by unprivileged user (e.g. AFS)
   allow_sgid: true
 
-  # Whether to show status information during building and installing packages.
-  # This gives information about Spack's current progress as well as the current
-  # and total number of packages. Information is shown both in the terminal
-  # title and inline.
-  install_status: true
+  # Whether to set the terminal title to display status information during
+  # building and installing packages. This gives information about Spack's
+  # current progress as well as the current and total number of packages.
+  terminal_title: false
 
   # Number of seconds a buildcache's index.json is cached locally before probing
   # for updates, within a single Spack invocation. Defaults to 10 minutes.
@@ -229,11 +228,3 @@ config:
   flags:
     # Whether to keep -Werror flags active in package builds.
     keep_werror: 'none'
-
-  # A mapping of aliases that can be used to define new commands. For instance,
-  # `sp: spec -I` will define a new command `sp` that will execute `spec` with
-  # the `-I` argument. Aliases cannot override existing commands.
-  aliases:
-    concretise: concretize
-    containerise: containerize
-    rm: remove

etc/spack/defaults/darwin/packages.yaml

@@ -23,20 +23,8 @@ packages:
     providers:
       elf: [libelf]
       fuse: [macfuse]
-      gl: [apple-gl]
-      glu: [apple-glu]
       unwind: [apple-libunwind]
       uuid: [apple-libuuid]
-  apple-gl:
-    buildable: false
-    externals:
-    - spec: apple-gl@4.1.0
-      prefix: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
-  apple-glu:
-    buildable: false
-    externals:
-    - spec: apple-glu@1.3.0
-      prefix: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
   apple-libunwind:
     buildable: false
     externals:

etc/spack/defaults/mirrors.yaml

@@ -1,4 +1,2 @@
 mirrors:
-  spack-public:
-    binary: false
-    url: https://mirror.spack.io
+  spack-public: https://mirror.spack.io

etc/spack/defaults/modules.yaml

@@ -40,12 +40,13 @@ modules:
     roots:
      tcl:    $spack/share/spack/modules
      lmod:   $spack/share/spack/lmod
-    # What type of modules to use ("tcl" and/or "lmod")
-    enable: []
+    # What type of modules to use
+    enable:
+      - tcl
 
     tcl:
       all:
-        autoload: direct
+        autoload: none
 
     # Default configurations if lmod is enabled
     lmod:

etc/spack/defaults/packages.yaml

@@ -20,7 +20,7 @@ packages:
       awk: [gawk]
       blas: [openblas, amdblis]
       D: [ldc]
-      daal: [intel-oneapi-daal]
+      daal: [intel-daal]
       elf: [elfutils]
       fftw-api: [fftw, amdfftw]
       flame: [libflame, amdlibflame]
@@ -28,9 +28,9 @@ packages:
       gl: [glx, osmesa]
       glu: [mesa-glu, openglu]
       golang: [go, gcc]
-      go-or-gccgo-bootstrap: [go-bootstrap, gcc]
+      go-external-or-gccgo-bootstrap: [go-bootstrap, gcc]
       iconv: [libiconv]
-      ipp: [intel-oneapi-ipp]
+      ipp: [intel-ipp]
       java: [openjdk, jdk, ibm-java]
       jpeg: [libjpeg-turbo, libjpeg]
       lapack: [openblas, amdlibflame]
@@ -40,7 +40,7 @@ packages:
       lua-lang: [lua, lua-luajit-openresty, lua-luajit]
       luajit: [lua-luajit-openresty, lua-luajit]
       mariadb-client: [mariadb-c-client, mariadb]
-      mkl: [intel-oneapi-mkl]
+      mkl: [intel-mkl]
       mpe: [mpe2]
       mpi: [openmpi, mpich]
       mysql-client: [mysql, mariadb-c-client]
@@ -49,7 +49,6 @@ packages:
       pbs: [openpbs, torque]
       pil: [py-pillow]
       pkgconfig: [pkgconf, pkg-config]
-      qmake: [qt-base, qt]
       rpc: [libtirpc]
       scalapack: [netlib-scalapack, amdscalapack]
       sycl: [hipsycl]
@@ -60,7 +59,6 @@ packages:
       xxd: [xxd-standalone, vim]
       yacc: [bison, byacc]
       ziglang: [zig]
-      zlib-api: [zlib-ng+compat, zlib]
     permissions:
       read: world
       write: user

etc/spack/defaults/windows/config.yaml

@@ -3,4 +3,3 @@ config:
   concretizer: clingo
   build_stage::
     - '$spack/.staging'
-  stage_name: '{name}-{version}-{hash:7}'

etc/spack/defaults/windows/packages.yaml

@@ -19,4 +19,3 @@ packages:
     - msvc
     providers:
       mpi: [msmpi]
-      gl: [wgl]

lib/spack/docs/.gitignore

@@ -1,3 +1,4 @@
+package_list.html
 command_index.rst
 spack*.rst
 llnl*.rst

lib/spack/docs/_pygments/style.py

@@ -1,16 +0,0 @@
-# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-# The name of the Pygments (syntax highlighting) style to use.
-# We use our own extension of the default style with a few modifications
-from pygments.styles.default import DefaultStyle
-from pygments.token import Generic
-
-
-class SpackStyle(DefaultStyle):
-    styles = DefaultStyle.styles.copy()
-    background_color = "#f4f4f8"
-    styles[Generic.Output] = "#355"
-    styles[Generic.Prompt] = "bold #346ec9"

lib/spack/docs/basic_usage.rst

@@ -45,8 +45,7 @@ Listing available packages
 
 To install software with Spack, you need to know what software is
 available.  You can see a list of available package names at the
-`packages.spack.io <https://packages.spack.io>`_ website, or
-using the ``spack list`` command.
+:ref:`package-list` webpage, or using the ``spack list`` command.
 
 .. _cmd-spack-list:
 
@@ -61,7 +60,7 @@ can install:
    :ellipsis: 10
 
 There are thousands of them, so we've truncated the output above, but you
-can find a `full list here <https://packages.spack.io>`_.
+can find a :ref:`full list here <package-list>`.
 Packages are listed by name in alphabetical order.
 A pattern to match with no wildcards, ``*`` or ``?``,
 will be treated as though it started and ended with
@@ -943,7 +942,7 @@ first ``libelf`` above, you would run:
 
    $ spack load /qmm4kso
 
-To see which packages that you have loaded to your environment you would
+To see which packages that you have loaded to your enviornment you would
 use ``spack find --loaded``.
 
 .. code-block:: console
@@ -1104,31 +1103,16 @@ Below are more details about the specifiers that you can add to specs.
 Version specifier
 ^^^^^^^^^^^^^^^^^
 
-A version specifier ``pkg@<specifier>`` comes after a package name
-and starts with ``@``. It can be something abstract that matches
-multiple known versions, or a specific version. During concretization,
-Spack will pick the optimal version within the spec's constraints
-according to policies set for the particular Spack installation.
-
-The version specifier can be *a specific version*, such as ``@=1.0.0`` or
-``@=1.2a7``. Or, it can be *a range of versions*, such as ``@1.0:1.5``.
-Version ranges are inclusive, so this example includes both ``1.0``
-and any ``1.5.x`` version. Version ranges can be unbounded, e.g. ``@:3``
-means any version up to and including ``3``. This would include ``3.4``
-and ``3.4.2``.  Similarly, ``@4.2:`` means any version above and including
-``4.2``.  As a short-hand, ``@3`` is equivalent to the range ``@3:3`` and
-includes any version with major version ``3``.
-
-Notice that you can distinguish between the specific version ``@=3.2`` and
-the range ``@3.2``. This is useful for packages that follow a versioning
-scheme that omits the zero patch version number: ``3.2``, ``3.2.1``,
-``3.2.2``, etc. In general it is preferable to use the range syntax
-``@3.2``, since ranges also match versions with one-off suffixes, such as
-``3.2-custom``.
-
-A version specifier can also be a list of ranges and specific versions,
-separated by commas.  For example, ``@1.0:1.5,=1.7.1`` matches any version
-in the range ``1.0:1.5`` and the specific version ``1.7.1``.
+A version specifier comes somewhere after a package name and starts
+with ``@``.  It can be a single version, e.g. ``@1.0``, ``@3``, or
+``@1.2a7``.  Or, it can be a range of versions, such as ``@1.0:1.5``
+(all versions between ``1.0`` and ``1.5``, inclusive).  Version ranges
+can be open, e.g. ``:3`` means any version up to and including ``3``.
+This would include ``3.4`` and ``3.4.2``.  ``4.2:`` means any version
+above and including ``4.2``.  Finally, a version specifier can be a
+set of arbitrary versions, such as ``@1.0,1.5,1.7`` (``1.0``, ``1.5``,
+or ``1.7``).  When you supply such a specifier to ``spack install``,
+it constrains the set of versions that Spack will install.
 
 For packages with a ``git`` attribute, ``git`` references
 may be specified instead of a numerical version i.e. branches, tags
@@ -1137,35 +1121,36 @@ reference provided.  Acceptable syntaxes for this are:
 
 .. code-block:: sh
 
-    # commit hashes
-   foo@abcdef1234abcdef1234abcdef1234abcdef1234    # 40 character hashes are automatically treated as git commits
-   foo@git.abcdef1234abcdef1234abcdef1234abcdef1234
-
     # branches and tags
    foo@git.develop # use the develop branch
    foo@git.0.19 # use the 0.19 tag
 
-Spack always needs to associate a Spack version with the git reference,
-which is used for version comparison. This Spack version is heuristically
-taken from the closest valid git tag among ancestors of the git ref.
+    # commit hashes
+   foo@abcdef1234abcdef1234abcdef1234abcdef1234    # 40 character hashes are automatically treated as git commits
+   foo@git.abcdef1234abcdef1234abcdef1234abcdef1234
 
-Once a Spack version is associated with a git ref, it always printed with
-the git ref.  For example, if the commit ``@git.abcdefg`` is tagged
-``0.19``, then the spec will be shown as ``@git.abcdefg=0.19``.
+Spack versions from git reference either have an associated version supplied by the user,
+or infer a relationship to known versions from the structure of the git repository. If an
+associated version is supplied by the user, Spack treats the git version as equivalent to that
+version for all version comparisons in the package logic (e.g. ``depends_on('foo', when='@1.5')``).
 
-If the git ref is not exactly a tag, then the distance to the nearest tag
-is also part of the resolved version. ``@git.abcdefg=0.19.git.8`` means
-that the commit is 8 commits away from the ``0.19`` tag.
-
-In cases where Spack cannot resolve a sensible version from a git ref,
-users can specify the Spack version to use for the git ref. This is done
-by appending ``=`` and the Spack version to the git ref. For example:
+The associated version can be assigned with ``[git ref]=[version]`` syntax, with the caveat that the specified version is known to Spack from either the package definition, or in the configuration preferences (i.e. ``packages.yaml``).
 
 .. code-block:: sh
 
    foo@git.my_ref=3.2 # use the my_ref tag or branch, but treat it as version 3.2 for version comparisons
    foo@git.abcdef1234abcdef1234abcdef1234abcdef1234=develop # use the given commit, but treat it as develop for version comparisons
 
+If an associated version is not supplied then the tags in the git repo are used to determine
+the most recent previous version known to Spack. Details about how versions are compared
+and how Spack determines if one version is less than another are discussed in the developer guide.
+
+If the version spec is not provided, then Spack will choose one
+according to policies set for the particular spack installation.  If
+the spec is ambiguous, i.e. it could match multiple versions, Spack
+will choose a version within the spec's constraints according to
+policies set for the particular Spack installation.
+
 Details about how versions are compared and how Spack determines if
 one version is less than another are discussed in the developer guide.
 
@@ -1526,30 +1511,6 @@ any MPI implementation will do.  If another package depends on
 error.  Likewise, if you try to plug in some package that doesn't
 provide MPI, Spack will raise an error.
 
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Explicit binding of virtual dependencies
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-There are packages that provide more than just one virtual dependency. When interacting with them, users
-might want to utilize just a subset of what they could provide, and use other providers for virtuals they
-need.
-
-It is possible to be more explicit and tell Spack which dependency should provide which virtual, using a
-special syntax:
-
-.. code-block:: console
-
-   $ spack spec strumpack ^[virtuals=mpi] intel-parallel-studio+mkl ^[virtuals=lapack] openblas
-
-Concretizing the spec above produces the following DAG:
-
-.. figure:: images/strumpack_virtuals.svg
-   :scale: 60 %
-   :align: center
-
-where ``intel-parallel-studio`` *could* provide ``mpi``, ``lapack``, and ``blas`` but is used only for the former. The ``lapack``
-and ``blas`` dependencies are satisfied by ``openblas``.
-
 ^^^^^^^^^^^^^^^^^^^^^^^^
 Specifying Specs by Hash
 ^^^^^^^^^^^^^^^^^^^^^^^^

lib/spack/docs/binary_caches.rst

@@ -18,7 +18,7 @@ your Spack mirror and then downloaded and installed by others.
 
 Whenever a mirror provides prebuilt packages, Spack will take these packages
 into account during concretization and installation, making ``spack install``
-significantly faster.
+signficantly faster.
 
 
 .. note::
@@ -36,7 +36,7 @@ Build caches are created via:
 
 .. code-block:: console
 
-    $ spack buildcache push <path/url/mirror name> <spec>
+    $ spack buildcache create <path/url/mirror name> <spec>
 
 This command takes the locally installed spec and its dependencies, and
 creates tarballs of their install prefixes. It also generates metadata files,
@@ -48,10 +48,14 @@ Here is an example where a build cache is created in a local directory named
 
 .. code-block:: console
 
-    $ spack buildcache push ./spack-cache ninja
+    $ spack buildcache create --allow-root ./spack-cache ninja
     ==> Pushing binary packages to file:///home/spackuser/spack/spack-cache/build_cache
 
-Note that ``ninja`` must be installed locally for this to work.
+Not that ``ninja`` must be installed locally for this to work.
+
+We're using the ``--allow-root`` flag to tell Spack that is OK when any of
+the binaries we're pushing contain references to the local Spack install
+directory.
 
 Once you have a build cache, you can add it as a mirror, discussed next.
 
@@ -143,7 +147,7 @@ and then install from it exclusively, you would do:
 
     $ spack mirror add E4S https://cache.e4s.io
     $ spack buildcache keys --install --trust
-    $ spack install --use-buildcache only <package>
+    $ spack install --use-buildache only <package>
 
 We use ``--install`` and ``--trust`` to say that we are installing keys to our
 keyring, and trusting all downloaded keys.
@@ -155,182 +159,16 @@ List of popular build caches
 
 * `Extreme-scale Scientific Software Stack (E4S) <https://e4s-project.github.io/>`_: `build cache <https://oaciss.uoregon.edu/e4s/inventory.html>`_
 
+
 ----------
 Relocation
 ----------
 
-When using buildcaches across different machines, it is likely that the install
-root will be different from the one used to build the binaries.
-
-To address this issue, Spack automatically relocates all paths encoded in binaries
-and scripts to their new location upon install.
-
-Note that there are some cases where this is not possible: if binaries are built in
-a relatively short path, and then installed to a longer path, there may not be enough
-space in the binary to encode the new path. In this case, Spack will fail to install
-the package from the build cache, and a source build is required.
-
-To reduce the likelihood of this happening, it is highly recommended to add padding to
-the install root during the build, as specified in the :ref:`config <config-yaml>`
-section of the configuration:
-
-.. code-block:: yaml
-
-   config:
-     install_tree:
-       root: /opt/spack
-       padded_length: 128
-
-
-
------------------------------------------
-OCI / Docker V2 registries as build cache
------------------------------------------
-
-Spack can also use OCI or Docker V2 registries such as Dockerhub, Quay.io,
-Github Packages, GitLab Container Registry, JFrog Artifactory, and others
-as build caches. This is a convenient way to share binaries using public
-infrastructure, or to cache Spack built binaries in Github Actions and
-GitLab CI.
-
-To get started, configure an OCI mirror using ``oci://`` as the scheme,
-and optionally specify a username and password (or personal access token):
-
-.. code-block:: console
-
-    $ spack mirror add --oci-username username --oci-password password my_registry oci://example.com/my_image
-
-Spack follows the naming conventions of Docker, with Dockerhub as the default
-registry. To use Dockerhub, you can omit the registry domain:
-
-.. code-block:: console
-
-    $ spack mirror add --oci-username username --oci-password password my_registry oci://username/my_image
-
-From here, you can use the mirror as any other build cache:
-
-.. code-block:: console
-
-    $ spack buildcache push my_registry <specs...>  # push to the registry
-    $ spack install <specs...> # install from the registry
-
-A unique feature of buildcaches on top of OCI registries is that it's incredibly
-easy to generate get a runnable container image with the binaries installed. This
-is a great way to make applications available to users without requiring them to
-install Spack -- all you need is Docker, Podman or any other OCI-compatible container
-runtime.
-
-To produce container images, all you need to do is add the ``--base-image`` flag
-when pushing to the build cache:
-
-.. code-block:: console
-
-    $ spack buildcache push --base-image ubuntu:20.04 my_registry ninja
-    Pushed to example.com/my_image:ninja-1.11.1-yxferyhmrjkosgta5ei6b4lqf6bxbscz.spack
-
-    $ docker run -it example.com/my_image:ninja-1.11.1-yxferyhmrjkosgta5ei6b4lqf6bxbscz.spack
-    root@e4c2b6f6b3f4:/# ninja --version
-    1.11.1
-
-If ``--base-image`` is not specified, distroless images are produced. In practice,
-you won't be able to run these as containers, since they don't come with libc and
-other system dependencies. However, they are still compatible with tools like
-``skopeo``, ``podman``, and ``docker`` for pulling and pushing.
-
-.. note::
-    The docker ``overlayfs2`` storage driver is limited to 128 layers, above which a
-    ``max depth exceeded`` error may be produced when pulling the image. There
-    are `alternative drivers <https://docs.docker.com/storage/storagedriver/>`_.
-
-------------------------------------
-Spack build cache for GitHub Actions
-------------------------------------
-
-To significantly speed up Spack in GitHub Actions, binaries can be cached in
-GitHub Packages. This service is an OCI registry that can be linked to a GitHub
-repository.
-
-A typical workflow is to include a ``spack.yaml`` environment in your repository
-that specifies the packages to install, the target architecture, and the build
-cache to use under ``mirrors``:
-
-.. code-block:: yaml
-
-    spack:
-      specs:
-      - python@3.11
-      config:
-        install_tree:
-          root: /opt/spack
-          padded_length: 128
-      packages:
-        all:
-          require: target=x86_64_v2
-      mirrors:
-        local-buildcache: oci://ghcr.io/<organization>/<repository>
-
-A GitHub action can then be used to install the packages and push them to the
-build cache:
-
-.. code-block:: yaml
-
-    name: Install Spack packages
-
-    on: push
-
-    env:
-      SPACK_COLOR: always
-
-    jobs:
-      example:
-        runs-on: ubuntu-22.04
-        permissions:
-          packages: write
-        steps:
-        - name: Checkout
-          uses: actions/checkout@v3
-
-        - name: Checkout Spack
-          uses: actions/checkout@v3
-          with:
-            repository: spack/spack
-            path: spack
-
-        - name: Setup Spack
-          run: echo "$PWD/spack/bin" >> "$GITHUB_PATH"
-
-        - name: Concretize
-          run: spack -e . concretize
-
-        - name: Install
-          run: spack -e . install --no-check-signature
-
-        - name: Run tests
-            run: ./my_view/bin/python3 -c 'print("hello world")'
-
-        - name: Push to buildcache
-          run: |
-            spack -e . mirror set --oci-username ${{ github.actor }} --oci-password "${{ secrets.GITHUB_TOKEN }}" local-buildcache
-            spack -e . buildcache push --base-image ubuntu:22.04 --unsigned --update-index local-buildcache
-          if: ${{ !cancelled() }}
-
-The first time this action runs, it will build the packages from source and
-push them to the build cache. Subsequent runs will pull the binaries from the
-build cache. The concretizer will ensure that prebuilt binaries are favored
-over source builds.
-
-The build cache entries appear in the GitHub Packages section of your repository,
-and contain instructions for pulling and running them with ``docker`` or ``podman``.
-
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Using Spack's public build cache for GitHub Actions
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Spack offers a public build cache for GitHub Actions with a set of common packages,
-which lets you get started quickly. See the following resources for more information:
-
-* `spack/github-actions-buildcache <https://github.com/spack/github-actions-buildcache>`_
+Initial build and later installation do not necessarily happen at the same
+location. Spack provides a relocation capability and corrects for RPATHs and
+non-relocatable scripts. However, many packages compile paths into binary
+artifacts directly. In such cases, the build instructions of this package would
+need to be adjusted for better re-locatability.
 
 .. _cmd-spack-buildcache:
 
@@ -339,7 +177,7 @@ which lets you get started quickly. See the following resources for more informa
 --------------------
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-``spack buildcache push``
+``spack buildcache create``
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Create tarball of installed Spack package and all dependencies.

lib/spack/docs/bootstrapping.rst

@@ -32,14 +32,9 @@ can't be found. You can readily check if any prerequisite for using Spack is mis
 
    Spack will take care of bootstrapping any missing dependency marked as [B]. Dependencies marked as [-] are instead required to be found on the system.
 
-   % echo $?
-   1
-
 In the case of the output shown above Spack detected that both ``clingo`` and ``gnupg``
 are missing and it's giving detailed information on why they are needed and whether
-they can be bootstrapped. The return code of this command summarizes the results, if any
-dependencies are missing the return code is ``1``, otherwise ``0``. Running a command that
-concretizes a spec, like:
+they can be bootstrapped. Running a command that concretize a spec, like:
 
 .. code-block:: console
 
@@ -49,7 +44,7 @@ concretizes a spec, like:
    ==> Installing "clingo-bootstrap@spack%apple-clang@12.0.0~docs~ipo+python build_type=Release arch=darwin-catalina-x86_64" from a buildcache
    [ ... ]
 
-automatically triggers the bootstrapping of clingo from pre-built binaries as expected.
+triggers the bootstrapping of clingo from pre-built binaries as expected.
 
 Users can also bootstrap all the dependencies needed by Spack in a single command, which
 might be useful to setup containers or other similar environments:

lib/spack/docs/build_settings.rst

@@ -3,23 +3,251 @@
 
    SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
+.. _build-settings:
+
+================================
+Package Settings (packages.yaml)
+================================
+
+Spack allows you to customize how your software is built through the
+``packages.yaml`` file.  Using it, you can make Spack prefer particular
+implementations of virtual dependencies (e.g., MPI or BLAS/LAPACK),
+or you can make it prefer to build with particular compilers.  You can
+also tell Spack to use *external* software installations already
+present on your system.
+
+At a high level, the ``packages.yaml`` file is structured like this:
+
+.. code-block:: yaml
+
+   packages:
+     package1:
+       # settings for package1
+     package2:
+       # settings for package2
+     # ...
+     all:
+       # settings that apply to all packages.
+
+So you can either set build preferences specifically for *one* package,
+or you can specify that certain settings should apply to *all* packages.
+The types of settings you can customize are described in detail below.
+
+Spack's build defaults are in the default
+``etc/spack/defaults/packages.yaml`` file.  You can override them in
+``~/.spack/packages.yaml`` or ``etc/spack/packages.yaml``. For more
+details on how this works, see :ref:`configuration-scopes`.
+
+.. _sec-external-packages:
+
+-----------------
+External Packages
+-----------------
+
+Spack can be configured to use externally-installed
+packages rather than building its own packages. This may be desirable
+if machines ship with system packages, such as a customized MPI
+that should be used instead of Spack building its own MPI.
+
+External packages are configured through the ``packages.yaml`` file.
+Here's an example of an external configuration:
+
+.. code-block:: yaml
+
+   packages:
+     openmpi:
+       externals:
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.4.3
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
+         prefix: /opt/openmpi-1.4.3-debug
+       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.6.5-intel
+
+This example lists three installations of OpenMPI, one built with GCC,
+one built with GCC and debug information, and another built with Intel.
+If Spack is asked to build a package that uses one of these MPIs as a
+dependency, it will use the pre-installed OpenMPI in
+the given directory. Note that the specified path is the top-level
+install prefix, not the ``bin`` subdirectory.
+
+``packages.yaml`` can also be used to specify modules to load instead
+of the installation prefixes.  The following example says that module
+``CMake/3.7.2`` provides cmake version 3.7.2.
+
+.. code-block:: yaml
+
+   cmake:
+     externals:
+     - spec: cmake@3.7.2
+       modules:
+       - CMake/3.7.2
+
+Each ``packages.yaml`` begins with a ``packages:`` attribute, followed
+by a list of package names.  To specify externals, add an ``externals:``
+attribute under the package name, which lists externals.
+Each external should specify a ``spec:`` string that should be as
+well-defined as reasonably possible.  If a
+package lacks a spec component, such as missing a compiler or
+package version, then Spack will guess the missing component based
+on its most-favored packages, and it may guess incorrectly.
+
+Each package version and compiler listed in an external should
+have entries in Spack's packages and compiler configuration, even
+though the package and compiler may not ever be built.
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Prevent packages from being built from sources
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Adding an external spec in ``packages.yaml`` allows Spack to use an external location,
+but it does not prevent Spack from building packages from sources. In the above example,
+Spack might choose for many valid reasons to start building and linking with the
+latest version of OpenMPI rather than continue using the pre-installed OpenMPI versions.
+
+To prevent this, the ``packages.yaml`` configuration also allows packages
+to be flagged as non-buildable.  The previous example could be modified to
+be:
+
+.. code-block:: yaml
+
+   packages:
+     openmpi:
+       externals:
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.4.3
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
+         prefix: /opt/openmpi-1.4.3-debug
+       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.6.5-intel
+       buildable: False
+
+The addition of the ``buildable`` flag tells Spack that it should never build
+its own version of OpenMPI from sources, and it will instead always rely on a pre-built
+OpenMPI.
+
+.. note::
+
+   If ``concretizer:reuse`` is on (see :ref:`concretizer-options` for more information on that flag)
+   pre-built specs include specs already available from a local store, an upstream store, a registered
+   buildcache or specs marked as externals in ``packages.yaml``. If ``concretizer:reuse`` is off, only
+   external specs in ``packages.yaml`` are included in the list of pre-built specs.
+
+If an external module is specified as not buildable, then Spack will load the
+external module into the build environment which can be used for linking.
+
+The ``buildable`` does not need to be paired with external packages.
+It could also be used alone to forbid packages that may be
+buggy or otherwise undesirable.
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Non-buildable virtual packages
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Virtual packages in Spack can also be specified as not buildable, and
+external implementations can be provided. In the example above,
+OpenMPI is configured as not buildable, but Spack will often prefer
+other MPI implementations over the externally available OpenMPI. Spack
+can be configured with every MPI provider not buildable individually,
+but more conveniently:
+
+.. code-block:: yaml
+
+   packages:
+     mpi:
+       buildable: False
+     openmpi:
+       externals:
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.4.3
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
+         prefix: /opt/openmpi-1.4.3-debug
+       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.6.5-intel
+
+Spack can then use any of the listed external implementations of MPI
+to satisfy a dependency, and will choose depending on the compiler and
+architecture.
+
+In cases where the concretizer is configured to reuse specs, and other ``mpi`` providers
+(available via stores or buildcaches) are not wanted, Spack can be configured to require
+specs matching only the available externals:
+
+.. code-block:: yaml
+
+   packages:
+     mpi:
+       buildable: False
+       require:
+       - one_of: [
+           "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64",
+           "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug",
+           "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
+         ]
+     openmpi:
+       externals:
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.4.3
+       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
+         prefix: /opt/openmpi-1.4.3-debug
+       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
+         prefix: /opt/openmpi-1.6.5-intel
+
+This configuration prevents any spec using MPI and originating from stores or buildcaches to be reused,
+unless it matches the requirements under ``packages:mpi:require``. For more information on requirements see
+:ref:`package-requirements`.
+
+.. _cmd-spack-external-find:
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Automatically Find External Packages
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+You can run the :ref:`spack external find <spack-external-find>` command
+to search for system-provided packages and add them to ``packages.yaml``.
+After running this command your ``packages.yaml`` may include new entries:
+
+.. code-block:: yaml
+
+   packages:
+     cmake:
+       externals:
+       - spec: cmake@3.17.2
+         prefix: /usr
+
+Generally this is useful for detecting a small set of commonly-used packages;
+for now this is generally limited to finding build-only dependencies.
+Specific limitations include:
+
+* Packages are not discoverable by default: For a package to be
+  discoverable with ``spack external find``, it needs to add special
+  logic. See :ref:`here <make-package-findable>` for more details.
+* The logic does not search through module files, it can only detect
+  packages with executables defined in ``PATH``; you can help Spack locate
+  externals which use module files by loading any associated modules for
+  packages that you want Spack to know about before running
+  ``spack external find``.
+* Spack does not overwrite existing entries in the package configuration:
+  If there is an external defined for a spec at any configuration scope,
+  then Spack will not add a new external entry (``spack config blame packages``
+  can help locate all external entries).
 
 .. _concretizer-options:
 
-==========================================
-Concretization Settings (concretizer.yaml)
-==========================================
+----------------------
+Concretizer options
+----------------------
 
-The ``concretizer.yaml`` configuration file allows to customize aspects of the
-algorithm used to select the dependencies you install. The default configuration
-is the following:
+``packages.yaml`` gives the concretizer preferences for specific packages,
+but you can also use ``concretizer.yaml`` to customize aspects of the
+algorithm it uses to select the dependencies you install:
 
 .. literalinclude:: _spack_root/etc/spack/defaults/concretizer.yaml
    :language: yaml
 
---------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Reuse already installed packages
---------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The ``reuse`` attribute controls whether Spack will prefer to use installed packages (``true``), or
 whether it will do a "fresh" installation and prefer the latest settings from
@@ -37,15 +265,11 @@ to enable reuse for a single installation, and you can use:
    spack install --fresh <spec>
 
 to do a fresh install if ``reuse`` is enabled by default.
-``reuse: dependencies`` is the default.
+``reuse: true`` is the default.
 
-.. seealso::
-
-   FAQ: :ref:`Why does Spack pick particular versions and variants? <faq-concretizer-precedence>`
-
-------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Selection of the target microarchitectures
-------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The options under the ``targets`` attribute control which targets are considered during a solve.
 Currently the options in this section are only configurable from the ``concretizer.yaml`` file
@@ -78,28 +302,257 @@ microarchitectures considered during the solve are constrained to be compatible
 host Spack is currently running on. For instance, if this option is set to ``true``, a
 user cannot concretize for ``target=icelake`` while running on an Haswell node.
 
----------------
-Duplicate nodes
----------------
+.. _package-requirements:
 
-The ``duplicates`` attribute controls whether the DAG can contain multiple configurations of
-the same package. This is mainly relevant for build dependencies, which may have their version
-pinned by some nodes, and thus be required at different versions by different nodes in the same
-DAG.
+--------------------
+Package Requirements
+--------------------
 
-The ``strategy`` option controls how the solver deals with duplicates. If the value is ``none``,
-then a single configuration per package is allowed in the DAG. This means, for instance, that only
-a single ``cmake`` or a single ``py-setuptools`` version is allowed. The result would be a slightly
-faster concretization, at the expense of making a few specs unsolvable.
+Spack can be configured to always use certain compilers, package
+versions, and variants during concretization through package
+requirements.
 
-If the value is ``minimal`` Spack will allow packages tagged as ``build-tools`` to have duplicates.
-This allows, for instance, to concretize specs whose nodes require different, and incompatible, ranges
-of some build tool. For instance, in the figure below the latest `py-shapely` requires a newer `py-setuptools`,
-while `py-numpy` still needs an older version:
+Package requirements are useful when you find yourself repeatedly
+specifying the same constraints on the command line, and wish that
+Spack respects these constraints whether you mention them explicitly
+or not. Another use case is specifying constraints that should apply
+to all root specs in an environment, without having to repeat the
+constraint everywhere.
 
-.. figure::  images/shapely_duplicates.svg
-   :scale: 70 %
-   :align: center
+Apart from that, requirements config is more flexible than constraints
+on the command line, because it can specify constraints on packages
+*when they occur* as a dependency. In contrast, on the command line it
+is not possible to specify constraints on dependencies while also keeping
+those dependencies optional.
 
-Up to Spack v0.20 ``duplicates:strategy:none`` was the default (and only) behavior. From Spack v0.21 the
-default behavior is ``duplicates:strategy:minimal``.
+The package requirements configuration is specified in ``packages.yaml``
+keyed by package name:
+
+.. code-block:: yaml
+
+   packages:
+     libfabric:
+       require: "@1.13.2"
+     openmpi:
+       require:
+       - any_of: ["~cuda", "%gcc"]
+     mpich:
+      require:
+      - one_of: ["+cuda", "+rocm"]
+
+Requirements are expressed using Spec syntax (the same as what is provided
+to ``spack install``). In the simplest case, you can specify attributes
+that you always want the package to have by providing a single spec to
+``require``; in the above example, ``libfabric`` will always build
+with version 1.13.2.
+
+You can provide a more-relaxed constraint and allow the concretizer to
+choose between a set of options using ``any_of`` or ``one_of``:
+
+* ``any_of`` is a list of specs. One of those specs must be satisfied
+  and it is also allowed for the concretized spec to match more than one.
+  In the above example, that means you could build ``openmpi+cuda%gcc``,
+  ``openmpi~cuda%clang`` or ``openmpi~cuda%gcc`` (in the last case,
+  note that both specs in the ``any_of`` for ``openmpi`` are
+  satisfied).
+* ``one_of`` is also a list of specs, and the final concretized spec
+  must match exactly one of them.  In the above example, that means
+  you could build ``mpich+cuda`` or ``mpich+rocm`` but not
+  ``mpich+cuda+rocm`` (note the current package definition for
+  ``mpich`` already includes a conflict, so this is redundant but
+  still demonstrates the concept).
+
+.. note::
+
+   For ``any_of`` and ``one_of``, the order of specs indicates a
+   preference: items that appear earlier in the list are preferred
+   (note that these preferences can be ignored in favor of others).
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Setting default requirements
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+You can also set default requirements for all packages under ``all``
+like this:
+
+.. code-block:: yaml
+
+   packages:
+     all:
+       require: '%clang'
+
+which means every spec will be required to use ``clang`` as a compiler.
+
+Note that in this case ``all`` represents a *default set of requirements* -
+if there are specific package requirements, then the default requirements
+under ``all`` are disregarded. For example, with a configuration like this:
+
+.. code-block:: yaml
+
+   packages:
+     all:
+       require: '%clang'
+     cmake:
+       require: '%gcc'
+
+Spack requires ``cmake`` to use ``gcc`` and all other nodes (including ``cmake``
+dependencies) to use ``clang``.
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Setting requirements on virtual specs
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+A requirement on a virtual spec applies whenever that virtual is present in the DAG.
+This can be useful for fixing which virtual provider you want to use:
+
+.. code-block:: yaml
+
+   packages:
+     mpi:
+       require: 'mvapich2 %gcc'
+
+With the configuration above the only allowed ``mpi`` provider is ``mvapich2 %gcc``.
+
+Requirements on the virtual spec and on the specific provider are both applied, if
+present. For instance with a configuration like:
+
+.. code-block:: yaml
+
+   packages:
+     mpi:
+       require: 'mvapich2 %gcc'
+     mvapich2:
+       require: '~cuda'
+
+you will use ``mvapich2~cuda %gcc`` as an ``mpi`` provider.
+
+.. _package-preferences:
+
+-------------------
+Package Preferences
+-------------------
+
+In some cases package requirements can be too strong, and package
+preferences are the better option. Package preferences do not impose
+constraints on packages for particular versions or variants values,
+they rather only set defaults -- the concretizer is free to change
+them if it must due to other constraints. Also note that package
+preferences are of lower priority than reuse of already installed
+packages.
+
+Here's an example ``packages.yaml`` file that sets preferred packages:
+
+.. code-block:: yaml
+
+   packages:
+     opencv:
+       compiler: [gcc@4.9]
+       variants: +debug
+     gperftools:
+       version: [2.2, 2.4, 2.3]
+     all:
+       compiler: [gcc@4.4.7, 'gcc@4.6:', intel, clang, pgi]
+       target: [sandybridge]
+       providers:
+         mpi: [mvapich2, mpich, openmpi]
+
+At a high level, this example is specifying how packages are preferably
+concretized.  The opencv package should prefer using GCC 4.9 and
+be built with debug options.  The gperftools package should prefer version
+2.2 over 2.4.  Every package on the system should prefer mvapich2 for
+its MPI and GCC 4.4.7 (except for opencv, which overrides this by preferring GCC 4.9).
+These options are used to fill in implicit defaults.  Any of them can be overwritten
+on the command line if explicitly requested.
+
+Package preferences accept the follow keys or components under
+the specific package (or ``all``) section: ``compiler``, ``variants``,
+``version``, ``providers``, and ``target``.  Each component has an
+ordered list of spec ``constraints``, with earlier entries in the
+list being preferred over later entries.
+
+Sometimes a package installation may have constraints that forbid
+the first concretization rule, in which case Spack will use the first
+legal concretization rule.  Going back to the example, if a user
+requests gperftools 2.3 or later, then Spack will install version 2.4
+as the 2.4 version of gperftools is preferred over 2.3.
+
+An explicit concretization rule in the preferred section will always
+take preference over unlisted concretizations.  In the above example,
+xlc isn't listed in the compiler list.  Every listed compiler from
+gcc to pgi will thus be preferred over the xlc compiler.
+
+The syntax for the ``provider`` section differs slightly from other
+concretization rules.  A provider lists a value that packages may
+``depends_on`` (e.g, MPI) and a list of rules for fulfilling that
+dependency.
+
+.. _package_permissions:
+
+-------------------
+Package Permissions
+-------------------
+
+Spack can be configured to assign permissions to the files installed
+by a package.
+
+In the ``packages.yaml`` file under ``permissions``, the attributes
+``read``, ``write``, and ``group`` control the package
+permissions. These attributes can be set per-package, or for all
+packages under ``all``. If permissions are set under ``all`` and for a
+specific package, the package-specific settings take precedence.
+
+The ``read`` and ``write`` attributes take one of ``user``, ``group``,
+and ``world``.
+
+.. code-block:: yaml
+
+  packages:
+    all:
+      permissions:
+        write: group
+        group: spack
+    my_app:
+      permissions:
+        read: group
+        group: my_team
+
+The permissions settings describe the broadest level of access to
+installations of the specified packages. The execute permissions of
+the file are set to the same level as read permissions for those files
+that are executable. The default setting for ``read`` is ``world``,
+and for ``write`` is ``user``. In the example above, installations of
+``my_app`` will be installed with user and group permissions but no
+world permissions, and owned by the group ``my_team``. All other
+packages will be installed with user and group write privileges, and
+world read privileges. Those packages will be owned by the group
+``spack``.
+
+The ``group`` attribute assigns a Unix-style group to a package. All
+files installed by the package will be owned by the assigned group,
+and the sticky group bit will be set on the install prefix and all
+directories inside the install prefix. This will ensure that even
+manually placed files within the install prefix are owned by the
+assigned group. If no group is assigned, Spack will allow the OS
+default behavior to go as expected.
+
+----------------------------
+Assigning Package Attributes
+----------------------------
+
+You can assign class-level attributes in the configuration:
+
+.. code-block:: yaml
+
+  packages:
+    mpileaks:
+      # Override existing attributes
+      url: http://www.somewhereelse.com/mpileaks-1.0.tar.gz
+      # ... or add new ones
+      x: 1
+
+Attributes set this way will be accessible to any method executed
+in the package.py file (e.g. the ``install()`` method). Values for these
+attributes may be any value parseable by yaml.
+
+These can only be applied to specific packages, not "all" or
+virtual packages.

lib/spack/docs/build_systems/autotoolspackage.rst

@@ -127,9 +127,9 @@ check out a commit from the ``master`` branch, you would want to add:
 
 .. code-block:: python
 
-   depends_on("autoconf", type="build", when="@master")
-   depends_on("automake", type="build", when="@master")
-   depends_on("libtool",  type="build", when="@master")
+   depends_on('autoconf', type='build', when='@master')
+   depends_on('automake', type='build', when='@master')
+   depends_on('libtool',  type='build', when='@master')
 
 It is typically redundant to list the ``m4`` macro processor package as a
 dependency, since ``autoconf`` already depends on it.
@@ -145,7 +145,7 @@ example, the ``bash`` shell is used to run the ``autogen.sh`` script.
 .. code-block:: python
 
    def autoreconf(self, spec, prefix):
-       which("bash")("autogen.sh")
+       which('bash')('autogen.sh')
 
 """""""""""""""""""""""""""""""""""""""
 patching configure or Makefile.in files
@@ -186,9 +186,9 @@ To opt out of this feature, use the following setting:
 To enable it conditionally on different architectures, define a property and
 make the package depend on ``gnuconfig`` as a build dependency:
 
-.. code-block:: python
+.. code-block
 
-   depends_on("gnuconfig", when="@1.0:")
+   depends_on('gnuconfig', when='@1.0:')
 
    @property
    def patch_config_files(self):
@@ -230,7 +230,7 @@ version, this can be done like so:
 
    @property
    def force_autoreconf(self):
-       return self.version == Version("1.2.3")
+       return self.version == Version('1.2.3')
 
 ^^^^^^^^^^^^^^^^^^^^^^^
 Finding configure flags
@@ -278,22 +278,13 @@ function like so:
    def configure_args(self):
        args = []
 
-       if self.spec.satisfies("+mpi"):
-           args.append("--enable-mpi")
+       if '+mpi' in self.spec:
+           args.append('--enable-mpi')
        else:
-           args.append("--disable-mpi")
+           args.append('--disable-mpi')
 
        return args
 
-
-Alternatively, you can use the :ref:`enable_or_disable  <autotools_enable_or_disable>` helper:
-
-.. code-block:: python
-
-   def configure_args(self):
-       return [self.enable_or_disable("mpi")]
-
-
 Note that we are explicitly disabling MPI support if it is not
 requested. This is important, as many Autotools packages will enable
 options by default if the dependencies are found, and disable them
@@ -304,11 +295,9 @@ and `here <https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Automagic_depe
 for a rationale as to why these so-called "automagic" dependencies
 are a problem.
 
-.. note::
-
-   By default, Autotools installs packages to ``/usr``. We don't want this,
-   so Spack automatically adds ``--prefix=/path/to/installation/prefix``
-   to your list of ``configure_args``. You don't need to add this yourself.
+By default, Autotools installs packages to ``/usr``. We don't want this,
+so Spack automatically adds ``--prefix=/path/to/installation/prefix``
+to your list of ``configure_args``. You don't need to add this yourself.
 
 ^^^^^^^^^^^^^^^^
 Helper functions
@@ -319,8 +308,6 @@ You may have noticed that most of the Autotools flags are of the form
 ``--without-baz``. Since these flags are so common, Spack provides a
 couple of helper functions to make your life easier.
 
-.. _autotools_enable_or_disable:
-
 """""""""""""""""
 enable_or_disable
 """""""""""""""""
@@ -332,11 +319,11 @@ typically used to enable or disable some feature within the package.
 .. code-block:: python
 
    variant(
-       "memchecker",
+       'memchecker',
        default=False,
-       description="Memchecker support for debugging [degrades performance]"
+       description='Memchecker support for debugging [degrades performance]'
    )
-   config_args.extend(self.enable_or_disable("memchecker"))
+   config_args.extend(self.enable_or_disable('memchecker'))
 
 In this example, specifying the variant ``+memchecker`` will generate
 the following configuration options:
@@ -356,15 +343,15 @@ the ``with_or_without`` method.
 .. code-block:: python
 
    variant(
-       "schedulers",
+       'schedulers',
        values=disjoint_sets(
-           ("auto",), ("alps", "lsf", "tm", "slurm", "sge", "loadleveler")
-       ).with_non_feature_values("auto", "none"),
+           ('auto',), ('alps', 'lsf', 'tm', 'slurm', 'sge', 'loadleveler')
+       ).with_non_feature_values('auto', 'none'),
        description="List of schedulers for which support is enabled; "
        "'auto' lets openmpi determine",
    )
-   if not spec.satisfies("schedulers=auto"):
-       config_args.extend(self.with_or_without("schedulers"))
+   if 'schedulers=auto' not in spec:
+       config_args.extend(self.with_or_without('schedulers'))
 
 In this example, specifying the variant ``schedulers=slurm,sge`` will
 generate the following configuration options:
@@ -389,16 +376,16 @@ generated, using the ``activation_value`` argument to
 .. code-block:: python
 
    variant(
-      "fabrics",
+      'fabrics',
        values=disjoint_sets(
-           ("auto",), ("psm", "psm2", "verbs", "mxm", "ucx", "libfabric")
-       ).with_non_feature_values("auto", "none"),
+           ('auto',), ('psm', 'psm2', 'verbs', 'mxm', 'ucx', 'libfabric')
+       ).with_non_feature_values('auto', 'none'),
        description="List of fabrics that are enabled; "
        "'auto' lets openmpi determine",
    )
-   if not spec.satisfies("fabrics=auto"):
-       config_args.extend(self.with_or_without("fabrics",
-           activation_value="prefix"))
+   if 'fabrics=auto' not in spec:
+       config_args.extend(self.with_or_without('fabrics',
+           activation_value='prefix'))
 
 ``activation_value`` accepts a callable that generates the configure
 parameter value given the variant value; but the special value
@@ -422,16 +409,16 @@ When Spack variants and configure flags do not correspond one-to-one, the
 
 .. code-block:: python
 
-   variant("debug_tools", default=False)
-   config_args += self.enable_or_disable("debug-tools", variant="debug_tools")
+   variant('debug_tools', default=False)
+   config_args += self.enable_or_disable('debug-tools', variant='debug_tools')
 
 Or when one variant controls multiple flags:
 
 .. code-block:: python
 
-   variant("debug_tools", default=False)
-   config_args += self.with_or_without("memchecker", variant="debug_tools")
-   config_args += self.with_or_without("profiler", variant="debug_tools")
+   variant('debug_tools', default=False)
+   config_args += self.with_or_without('memchecker', variant='debug_tools')
+   config_args += self.with_or_without('profiler', variant='debug_tools')
 
 
 """"""""""""""""""""
@@ -445,8 +432,8 @@ For example:
 
 .. code-block:: python
 
-   variant("profiler", when="@2.0:")
-   config_args += self.with_or_without("profiler")
+   variant('profiler', when='@2.0:')
+   config_args += self.with_or_without('profiler')
 
 will neither add ``--with-profiler`` nor ``--without-profiler`` when the version is
 below ``2.0``.
@@ -465,10 +452,10 @@ the variant values require atypical behavior.
    def with_or_without_verbs(self, activated):
        # Up through version 1.6, this option was named --with-openib.
        # In version 1.7, it was renamed to be --with-verbs.
-       opt = "verbs" if self.spec.satisfies("@1.7:") else "openib"
+       opt = 'verbs' if self.spec.satisfies('@1.7:') else 'openib'
        if not activated:
-           return f"--without-{opt}"
-       return f"--with-{opt}={self.spec['rdma-core'].prefix}"
+           return '--without-{0}'.format(opt)
+       return '--with-{0}={1}'.format(opt, self.spec['rdma-core'].prefix)
 
 Defining ``with_or_without_verbs`` overrides the behavior of a
 ``fabrics=verbs`` variant, changing the configure-time option to
@@ -492,7 +479,7 @@ do this like so:
 
 .. code-block:: python
 
-   configure_directory = "src"
+   configure_directory = 'src'
 
 ^^^^^^^^^^^^^^^^^^^^^^
 Building out of source
@@ -504,7 +491,7 @@ This can be done using the ``build_directory`` variable:
 
 .. code-block:: python
 
-   build_directory = "spack-build"
+   build_directory = 'spack-build'
 
 By default, Spack will build the package in the same directory that
 contains the ``configure`` script
@@ -527,8 +514,8 @@ library or build the documentation, you can add these like so:
 
 .. code-block:: python
 
-   build_targets = ["all", "docs"]
-   install_targets = ["install", "docs"]
+   build_targets = ['all', 'docs']
+   install_targets = ['install', 'docs']
 
 ^^^^^^^
 Testing

lib/spack/docs/build_systems/bundlepackage.rst

@@ -9,32 +9,9 @@
 Bundle
 ------
 
-``BundlePackage`` represents a set of packages that are expected to work
-well together, such as a collection of commonly used software libraries.
-The associated software is specified as dependencies.
-
-If it makes sense, variants, conflicts, and requirements can be added to
-the package. :ref:`Variants <variants>` ensure that common build options
-are consistent across the packages supporting them.  :ref:`Conflicts
-and requirements <packaging_conflicts>` prevent attempts to build with known
-bugs or limitations.
-
-For example, if ``MyBundlePackage`` is known to only build on ``linux``,
-it could use the ``require`` directive as follows:
-
-.. code-block:: python
-
-    require("platform=linux", msg="MyBundlePackage only builds on linux")
-
-Spack has a number of built-in bundle packages, such as:
-
-* `AmdAocl <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/amd-aocl/package.py>`_
-* `EcpProxyApps <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/ecp-proxy-apps/package.py>`_
-* `Libc <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/libc/package.py>`_
-* `Xsdk <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/xsdk/package.py>`_
-
-where ``Xsdk`` also inherits from ``CudaPackage`` and ``RocmPackage`` and
-``Libc`` is a virtual bundle package for the C standard library.
+``BundlePackage`` represents a set of packages that are expected to work well
+together, such as a collection of commonly used software libraries.  The
+associated software is specified as bundle dependencies.
 
 
 ^^^^^^^^

lib/spack/docs/build_systems/cachedcmakepackage.rst

@@ -87,7 +87,7 @@ A typical usage of these methods may look something like this:
 
 .. code-block:: python
 
-   def initconfig_mpi_entries(self):
+   def initconfig_mpi_entries(self)
        # Get existing MPI configurations
        entries = super(self, Foo).initconfig_mpi_entries()
 
@@ -95,25 +95,25 @@ A typical usage of these methods may look something like this:
        # This spec has an MPI variant, and we need to enable MPI when it is on.
        # This hypothetical package controls MPI with the ``FOO_MPI`` option to
        # cmake.
-       if self.spec.satisfies("+mpi"):
-           entries.append(cmake_cache_option("FOO_MPI", True, "enable mpi"))
+       if '+mpi' in self.spec:
+           entries.append(cmake_cache_option('FOO_MPI', True, "enable mpi"))
        else:
-           entries.append(cmake_cache_option("FOO_MPI", False, "disable mpi"))
+           entries.append(cmake_cache_option('FOO_MPI', False, "disable mpi"))
 
    def initconfig_package_entries(self):
        # Package specific options
        entries = []
 
-       entries.append("#Entries for build options")
+       entries.append('#Entries for build options')
 
-       bar_on = self.spec.satisfies("+bar")
-       entries.append(cmake_cache_option("FOO_BAR", bar_on, "toggle bar"))
+       bar_on = '+bar' in self.spec
+       entries.append(cmake_cache_option('FOO_BAR', bar_on, 'toggle bar'))
 
-       entries.append("#Entries for dependencies")
+       entries.append('#Entries for dependencies')
 
-       if self.spec["blas"].name == "baz":  # baz is our blas provider
-           entries.append(cmake_cache_string("FOO_BLAS", "baz", "Use baz"))
-           entries.append(cmake_cache_path("BAZ_PREFIX", self.spec["baz"].prefix))
+       if self.spec['blas'].name == 'baz':  # baz is our blas provider
+       entries.append(cmake_cache_string('FOO_BLAS', 'baz', 'Use baz'))
+       entries.append(cmake_cache_path('BAZ_PREFIX', self.spec['baz'].prefix))
 
 ^^^^^^^^^^^^^^^^^^^^^^
 External documentation

lib/spack/docs/build_systems/cudapackage.rst

@@ -28,14 +28,11 @@ This package provides the following variants:
 
 * **cuda_arch**
 
-  This variant supports the optional specification of one or multiple architectures.
+  This variant supports the optional specification of the architecture.
   Valid values are maintained in the ``cuda_arch_values`` property and
   are the numeric character equivalent of the compute capability version
   (e.g., '10' for version 1.0). Each provided value affects associated
   ``CUDA`` dependencies and compiler conflicts.
-  
-  The variant builds both PTX code for the _virtual_ architecture
-  (e.g. ``compute_10``) and binary code for the _real_ architecture (e.g. ``sm_10``).
 
   GPUs and their compute capability versions are listed at
   https://developer.nvidia.com/cuda-gpus .
@@ -54,8 +51,8 @@ to terminate such build attempts with a suitable message:
 
 .. code-block:: python
 
-    conflicts("cuda_arch=none", when="+cuda",
-              msg="CUDA architecture is required")
+    conflicts('cuda_arch=none', when='+cuda',
+              msg='CUDA architecture is required')
 
 Similarly, if your software does not support all versions of the property,
 you could add ``conflicts`` to your package for those versions.  For example,
@@ -66,13 +63,13 @@ custom message should a user attempt such a build:
 .. code-block:: python
 
     unsupported_cuda_archs = [
-        "10", "11", "12", "13",
-        "20", "21",
-        "30", "32", "35", "37"
+        '10', '11', '12', '13',
+        '20', '21',
+        '30', '32', '35', '37'
     ]
     for value in unsupported_cuda_archs:
-        conflicts(f"cuda_arch={value}", when="+cuda",
-                  msg=f"CUDA architecture {value} is not supported")
+        conflicts('cuda_arch={0}'.format(value), when='+cuda',
+                  msg='CUDA architecture {0} is not supported'.format(value))
 
 ^^^^^^^
 Methods
@@ -107,16 +104,16 @@ class of your package.  For example, you can add it to your
             spec = self.spec
             args = []
             ...
-            if spec.satisfies("+cuda"):
+            if '+cuda' in spec:
                 # Set up the cuda macros needed by the build
-                args.append("-DWITH_CUDA=ON")
-                cuda_arch_list = spec.variants["cuda_arch"].value
+                args.append('-DWITH_CUDA=ON')
+                cuda_arch_list = spec.variants['cuda_arch'].value
                 cuda_arch = cuda_arch_list[0]
-                if cuda_arch != "none":
-                    args.append(f"-DCUDA_FLAGS=-arch=sm_{cuda_arch}")
+                if cuda_arch != 'none':
+                    args.append('-DCUDA_FLAGS=-arch=sm_{0}'.format(cuda_arch))
             else:
                 # Ensure build with cuda is disabled
-                args.append("-DWITH_CUDA=OFF")
+                args.append('-DWITH_CUDA=OFF')
             ...
             return args
 
@@ -125,7 +122,7 @@ You will need to customize options as needed for your build.
 
 This example also illustrates how to check for the ``cuda`` variant using
 ``self.spec`` and how to retrieve the ``cuda_arch`` variant's value, which
-is a list, using ``self.spec.variants["cuda_arch"].value``.
+is a list, using ``self.spec.variants['cuda_arch'].value``.
 
 With over 70 packages using ``CudaPackage`` as of January 2021 there are
 lots of examples to choose from to get more ideas for using this package.

lib/spack/docs/build_systems/custompackage.rst

@@ -57,13 +57,13 @@ If you look at the ``perl`` package, you'll see:
 
 .. code-block:: python
 
-   phases = ["configure", "build", "install"]
+   phases = ['configure', 'build', 'install']
 
 Similarly, ``cmake`` defines:
 
 .. code-block:: python
 
-   phases = ["bootstrap", "build", "install"]
+   phases = ['bootstrap', 'build', 'install']
 
 If we look at the ``cmake`` example, this tells Spack's ``PackageBase``
 class to run the ``bootstrap``, ``build``, and ``install`` functions
@@ -78,7 +78,7 @@ If we look at ``perl``, we see that it defines a ``configure`` method:
 .. code-block:: python
 
    def configure(self, spec, prefix):
-       configure = Executable("./Configure")
+       configure = Executable('./Configure')
        configure(*self.configure_args())
 
 There is also a corresponding ``configure_args`` function that handles
@@ -92,7 +92,7 @@ phases are pretty simple:
        make()
 
    def install(self, spec, prefix):
-       make("install")
+       make('install')
 
 The ``cmake`` package looks very similar, but with a ``bootstrap``
 function instead of ``configure``:
@@ -100,14 +100,14 @@ function instead of ``configure``:
 .. code-block:: python
 
    def bootstrap(self, spec, prefix):
-       bootstrap = Executable("./bootstrap")
+       bootstrap = Executable('./bootstrap')
        bootstrap(*self.bootstrap_args())
 
    def build(self, spec, prefix):
        make()
 
    def install(self, spec, prefix):
-       make("install")
+       make('install')
 
 Again, there is a ``boostrap_args`` function that determines the
 correct bootstrap flags to use.
@@ -128,16 +128,16 @@ before or after a particular phase. For example, in ``perl``, we see:
 
 .. code-block:: python
 
-   @run_after("install")
+   @run_after('install')
    def install_cpanm(self):
        spec = self.spec
 
-       if spec.satisfies("+cpanm"):
-           with working_dir(join_path("cpanm", "cpanm")):
-               perl = spec["perl"].command
-               perl("Makefile.PL")
+       if '+cpanm' in spec:
+           with working_dir(join_path('cpanm', 'cpanm')):
+               perl = spec['perl'].command
+               perl('Makefile.PL')
                make()
-               make("install")
+               make('install')
 
 This extra step automatically installs ``cpanm`` in addition to the
 base Perl installation.
@@ -174,10 +174,10 @@ In the ``perl`` package, we can see:
 
 .. code-block:: python
 
-   @run_after("build")
+   @run_after('build')
    @on_package_attributes(run_tests=True)
    def test(self):
-       make("test")
+       make('test')
 
 As you can guess, this runs ``make test`` *after* building the package,
 if and only if testing is requested. Again, this is not specific to
@@ -189,7 +189,7 @@ custom build systems, it can be added to existing build systems as well.
 
    .. code-block:: python
 
-      @run_after("install")
+      @run_after('install')
       @on_package_attributes(run_tests=True)
 
    works as expected. However, if you reverse the ordering:
@@ -197,7 +197,7 @@ custom build systems, it can be added to existing build systems as well.
    .. code-block:: python
 
       @on_package_attributes(run_tests=True)
-      @run_after("install")
+      @run_after('install')
 
    the tests will always be run regardless of whether or not
    ``--test=root`` is requested. See https://github.com/spack/spack/issues/3833

lib/spack/docs/build_systems/inteloneapipackage.rst

@@ -25,8 +25,8 @@ use Spack to build packages with the tools.
 The Spack Python class ``IntelOneapiPackage`` is a base class that is
 used by ``IntelOneapiCompilers``, ``IntelOneapiMkl``,
 ``IntelOneapiTbb`` and other classes to implement the oneAPI
-packages. Search for ``oneAPI`` at `<packages.spack.io>`_ for the full
-list of available oneAPI packages, or use::
+packages. See the :ref:`package-list` for the full list of available
+oneAPI packages or use::
 
   spack list -d oneAPI
 
@@ -76,55 +76,6 @@ To build with with ``icx``, do ::
 
   spack install patchelf%oneapi
 
-
-Using oneAPI Spack environment
--------------------------------
-
-In this example, we build lammps with ``icx`` using Spack environment for oneAPI packages created by Intel. The
-compilers are installed with Spack like in example above.
-
-Install the oneAPI compilers::
-
-  spack install intel-oneapi-compilers
-
-Add the compilers to your ``compilers.yaml`` so Spack can use them::
-
-  spack compiler add `spack location -i intel-oneapi-compilers`/compiler/latest/linux/bin/intel64
-  spack compiler add `spack location -i intel-oneapi-compilers`/compiler/latest/linux/bin
-
-Verify that the compilers are available::
-
-  spack compiler list
-
-Clone `spack-configs <https://github.com/spack/spack-configs>`_ repo and activate Intel oneAPI CPU environment::
-
-  git clone https://github.com/spack/spack-configs
-  spack env activate spack-configs/INTEL/CPU
-  spack concretize -f
-
-`Intel oneAPI CPU environment <https://github.com/spack/spack-configs/blob/main/INTEL/CPU/spack.yaml>`_  contains applications tested and validated by Intel, this list is constantly extended. And currently it supports:
-
-- `Devito <https://www.devitoproject.org/>`_
-- `GROMACS <https://www.gromacs.org/>`_
-- `HPCG <https://www.hpcg-benchmark.org/>`_
-- `HPL <https://netlib.org/benchmark/hpl/>`_
-- `LAMMPS <https://www.lammps.org/#gsc.tab=0>`_
-- `OpenFOAM <https://www.openfoam.com/>`_
-- `Quantum Espresso <https://www.quantum-espresso.org/>`_
-- `STREAM <https://www.cs.virginia.edu/stream/>`_
-- `WRF <https://github.com/wrf-model/WRF>`_
-
-To build lammps with oneAPI compiler from this environment just run::
-
-  spack install lammps
-
-Compiled binaries can be find using::
-
-  spack cd -i lammps
-
-You can do the same for all other applications from this environment.
-
-
 Using oneAPI MPI to Satisfy a Virtual Dependence
 ------------------------------------------------------
 
@@ -173,7 +124,7 @@ Using oneAPI Tools Installed by Spack
 =====================================
 
 Spack can be a convenient way to install and configure compilers and
-libraries, even if you do not intend to build a Spack package. If you
+libaries, even if you do not intend to build a Spack package. If you
 want to build a Makefile project using Spack-installed oneAPI compilers,
 then use spack to configure your environment::
 

lib/spack/docs/build_systems/intelpackage.rst

@@ -392,12 +392,12 @@ See section
 :ref:`Configuration Scopes <configuration-scopes>`
 for an explanation about the different files
 and section
-:ref:`Build customization <packages-config>`
+:ref:`Build customization <build-settings>`
 for specifics and examples for ``packages.yaml`` files.
 
 .. If your system administrator did not provide modules for pre-installed Intel
    tools, you could do well to ask for them, because installing multiple copies
-   of the Intel tools, as is won't to happen once Spack is in the picture, is
+   of the Intel tools, as is wont to happen once Spack is in the picture, is
    bound to stretch disk space and patience thin. If you *are* the system
    administrator and are still new to modules, then perhaps it's best to follow
    the `next section <Installing Intel tools within Spack_>`_ and install the tools
@@ -653,7 +653,7 @@ follow `the next section <intel-install-libs_>`_ instead.
    * If you specified a custom variant (for example ``+vtune``) you may want to add this as your
      preferred variant in the packages configuration for the ``intel-parallel-studio`` package
      as described in :ref:`package-preferences`. Otherwise you will have to specify
-     the variant every time ``intel-parallel-studio`` is being used as ``mkl``, ``fftw`` or ``mpi``
+     the variant everytime ``intel-parallel-studio`` is being used as ``mkl``, ``fftw`` or ``mpi``
      implementation to avoid pulling in a different variant.
 
    * To set the Intel compilers for default use in Spack, instead of the usual ``%gcc``,

lib/spack/docs/build_systems/makefilepackage.rst

@@ -59,7 +59,7 @@ using GNU Make, you should add a dependency on ``gmake``:
 
 .. code-block:: python
 
-   depends_on("gmake", type="build")
+   depends_on('gmake', type='build')
 
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -93,8 +93,8 @@ there are any other variables you need to set, you can do this in the
 .. code-block:: python
 
    def edit(self, spec, prefix):
-       env["PREFIX"] = prefix
-       env["BLASLIB"] = spec["blas"].libs.ld_flags
+       env['PREFIX'] = prefix
+       env['BLASLIB'] = spec['blas'].libs.ld_flags
 
 
 `cbench <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/cbench/package.py>`_
@@ -113,7 +113,7 @@ you can do this like so:
 
 .. code-block:: python
 
-   build_targets = ["CC=cc"]
+   build_targets = ['CC=cc']
 
 
 If you do need access to the spec, you can create a property like so:
@@ -125,8 +125,8 @@ If you do need access to the spec, you can create a property like so:
        spec = self.spec
 
        return [
-           "CC=cc",
-           f"BLASLIB={spec['blas'].libs.ld_flags}",
+           'CC=cc',
+           'BLASLIB={0}'.format(spec['blas'].libs.ld_flags),
        ]
 
 
@@ -145,12 +145,12 @@ and a ``filter_file`` method to help with this. For example:
 .. code-block:: python
 
    def edit(self, spec, prefix):
-       makefile = FileFilter("Makefile")
+       makefile = FileFilter('Makefile')
 
-       makefile.filter(r"^\s*CC\s*=.*",  f"CC = {spack_cc}")
-       makefile.filter(r"^\s*CXX\s*=.*", f"CXX = {spack_cxx}")
-       makefile.filter(r"^\s*F77\s*=.*", f"F77 = {spack_f77}")
-       makefile.filter(r"^\s*FC\s*=.*",  f"FC = {spack_fc}")
+       makefile.filter(r'^\s*CC\s*=.*',  'CC = '  + spack_cc)
+       makefile.filter(r'^\s*CXX\s*=.*', 'CXX = ' + spack_cxx)
+       makefile.filter(r'^\s*F77\s*=.*', 'F77 = ' + spack_f77)
+       makefile.filter(r'^\s*FC\s*=.*',  'FC = '  + spack_fc)
 
 
 `stream <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/stream/package.py>`_
@@ -181,16 +181,16 @@ well for storing variables:
 
    def edit(self, spec, prefix):
        config = {
-           "CC": "cc",
-           "MAKE": "make",
+           'CC': 'cc',
+           'MAKE': 'make',
        }
 
-       if spec.satisfies("+blas"):
-           config["BLAS_LIBS"] = spec["blas"].libs.joined()
+       if '+blas' in spec:
+           config['BLAS_LIBS'] = spec['blas'].libs.joined()
 
-       with open("make.inc", "w") as inc:
+       with open('make.inc', 'w') as inc:
            for key in config:
-               inc.write(f"{key} = {config[key]}\n")
+               inc.write('{0} = {1}\n'.format(key, config[key]))
 
 
 `elk <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/elk/package.py>`_
@@ -204,14 +204,14 @@ them in a list:
 
    def edit(self, spec, prefix):
        config = [
-           f"INSTALL_DIR = {prefix}",
-           "INCLUDE_DIR = $(INSTALL_DIR)/include",
-           "LIBRARY_DIR = $(INSTALL_DIR)/lib",
+           'INSTALL_DIR = {0}'.format(prefix),
+           'INCLUDE_DIR = $(INSTALL_DIR)/include',
+           'LIBRARY_DIR = $(INSTALL_DIR)/lib',
        ]
 
-       with open("make.inc", "w") as inc:
+       with open('make.inc', 'w') as inc:
            for var in config:
-               inc.write(f"{var}\n")
+               inc.write('{0}\n'.format(var))
 
 
 `hpl <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/hpl/package.py>`_
@@ -284,7 +284,7 @@ can tell Spack where to locate it like so:
 
 .. code-block:: python
 
-   build_directory = "src"
+   build_directory = 'src'
 
 
 ^^^^^^^^^^^^^^^^^^^
@@ -299,8 +299,8 @@ install the package:
 
    def install(self, spec, prefix):
        mkdir(prefix.bin)
-       install("foo", prefix.bin)
-       install_tree("lib", prefix.lib)
+       install('foo', prefix.bin)
+       install_tree('lib', prefix.lib)
 
 
 ^^^^^^^^^^^^^^^^^^^^^^

lib/spack/docs/build_systems/pythonpackage.rst

@@ -152,16 +152,16 @@ set. Once set, ``pypi`` will be used to define the ``homepage``,
 
 .. code-block:: python
 
-   homepage = "https://pypi.org/project/setuptools/"
-   url      = "https://pypi.org/packages/source/s/setuptools/setuptools-49.2.0.zip"
-   list_url = "https://pypi.org/simple/setuptools/"
+   homepage = 'https://pypi.org/project/setuptools/'
+   url      = 'https://pypi.org/packages/source/s/setuptools/setuptools-49.2.0.zip'
+   list_url = 'https://pypi.org/simple/setuptools/'
 
 
 is equivalent to:
 
 .. code-block:: python
 
-   pypi = "setuptools/setuptools-49.2.0.zip"
+   pypi = 'setuptools/setuptools-49.2.0.zip'
 
 
 If a package has a different homepage listed on PyPI, you can
@@ -208,7 +208,7 @@ dependencies to your package:
 
 .. code-block:: python
 
-   depends_on("py-setuptools@42:", type="build")
+   depends_on('py-setuptools@42:', type='build')
 
 
 Note that ``py-wheel`` is already listed as a build dependency in the
@@ -232,7 +232,7 @@ Look for dependencies under the following keys:
 * ``dependencies`` under ``[project]``
 
   These packages are required for building and installation. You can
-  add them with ``type=("build", "run")``.
+  add them with ``type=('build', 'run')``.
 
 * ``[project.optional-dependencies]``
 
@@ -279,12 +279,12 @@ distutils library, and has almost the exact same API. In addition to
 * ``setup_requires``
 
   These packages are usually only needed at build-time, so you can
-  add them with ``type="build"``.
+  add them with ``type='build'``.
 
 * ``install_requires``
 
   These packages are required for building and installation. You can
-  add them with ``type=("build", "run")``.
+  add them with ``type=('build', 'run')``.
 
 * ``extras_require``
 
@@ -296,7 +296,7 @@ distutils library, and has almost the exact same API. In addition to
 
   These are packages that are required to run the unit tests for the
   package. These dependencies can be specified using the
-  ``type="test"`` dependency type. However, the PyPI tarballs rarely
+  ``type='test'`` dependency type. However, the PyPI tarballs rarely
   contain unit tests, so there is usually no reason to add these.
 
 See https://setuptools.pypa.io/en/latest/userguide/dependency_management.html
@@ -321,7 +321,7 @@ older versions of flit may use the following keys:
 * ``requires`` under ``[tool.flit.metadata]``
 
   These packages are required for building and installation. You can
-  add them with ``type=("build", "run")``.
+  add them with ``type=('build', 'run')``.
 
 * ``[tool.flit.metadata.requires-extra]``
 
@@ -434,12 +434,12 @@ the BLAS/LAPACK library you want pkg-config to search for:
 
 .. code-block:: python
 
-   depends_on("py-pip@22.1:", type="build")
+   depends_on('py-pip@22.1:', type='build')
 
    def config_settings(self, spec, prefix):
        return {
-           "blas": spec["blas"].libs.names[0],
-           "lapack": spec["lapack"].libs.names[0],
+           'blas': spec['blas'].libs.names[0],
+           'lapack': spec['lapack'].libs.names[0],
        }
 
 
@@ -463,10 +463,10 @@ has an optional dependency on ``libyaml`` that can be enabled like so:
 
    def global_options(self, spec, prefix):
        options = []
-       if spec.satisfies("+libyaml"):
-           options.append("--with-libyaml")
+       if '+libyaml' in spec:
+           options.append('--with-libyaml')
        else:
-           options.append("--without-libyaml")
+           options.append('--without-libyaml')
        return options
 
 
@@ -492,10 +492,10 @@ allows you to specify the directories to search for ``libyaml``:
 
    def install_options(self, spec, prefix):
        options = []
-       if spec.satisfies("+libyaml"):
+       if '+libyaml' in spec:
            options.extend([
-               spec["libyaml"].libs.search_flags,
-               spec["libyaml"].headers.include_flags,
+               spec['libyaml'].libs.search_flags,
+               spec['libyaml'].headers.include_flags,
            ])
        return options
 
@@ -556,7 +556,7 @@ detected are wrong, you can provide the names yourself by overriding
 
 .. code-block:: python
 
-   import_modules = ["six"]
+   import_modules = ['six']
 
 
 Sometimes the list of module names to import depends on how the
@@ -571,9 +571,9 @@ This can be expressed like so:
 
    @property
    def import_modules(self):
-       modules = ["yaml"]
-       if self.spec.satisfies("+libyaml"):
-           modules.append("yaml.cyaml")
+       modules = ['yaml']
+       if '+libyaml' in self.spec:
+           modules.append('yaml.cyaml')
        return modules
 
 
@@ -582,18 +582,18 @@ libraries. Make sure not to add modules/packages containing the word
 "test", as these likely won't end up in the installation directory,
 or may require test dependencies like pytest to be installed.
 
-Instead of defining the ``import_modules`` explicitly, only the subset
+Instead of defining the ``import_modules`` explicity, only the subset
 of module names to be skipped can be defined by using ``skip_modules``.
 If a defined module has submodules, they are skipped as well, e.g.,
 in case the ``plotting`` modules should be excluded from the
-automatically detected ``import_modules`` ``["nilearn", "nilearn.surface",
-"nilearn.plotting", "nilearn.plotting.data"]`` set:
+automatically detected ``import_modules`` ``['nilearn', 'nilearn.surface',
+'nilearn.plotting', 'nilearn.plotting.data']`` set:
 
 .. code-block:: python
 
-        skip_modules = ["nilearn.plotting"]
+        skip_modules = ['nilearn.plotting']
 
-This will set ``import_modules`` to ``["nilearn", "nilearn.surface"]``
+This will set ``import_modules`` to ``['nilearn', 'nilearn.surface']``
 
 Import tests can be run during the installation using ``spack install
 --test=root`` or at any time after the installation using
@@ -612,11 +612,11 @@ after the ``install`` phase:
 
 .. code-block:: python
 
-   @run_after("install")
+   @run_after('install')
    @on_package_attributes(run_tests=True)
    def install_test(self):
-       with working_dir("spack-test", create=True):
-           python("-c", "import numpy; numpy.test('full', verbose=2)")
+       with working_dir('spack-test', create=True):
+           python('-c', 'import numpy; numpy.test("full", verbose=2)')
 
 
 when testing is enabled during the installation (i.e., ``spack install
@@ -638,7 +638,7 @@ provides Python bindings in a ``python`` directory, you can use:
 
 .. code-block:: python
 
-   build_directory = "python"
+   build_directory = 'python'
 
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

lib/spack/docs/build_systems/rocmpackage.rst

@@ -81,27 +81,28 @@ class of your package.  For example, you can add it to your
     class MyRocmPackage(CMakePackage, ROCmPackage):
         ...
         # Ensure +rocm and amdgpu_targets are passed to dependencies
-        depends_on("mydeppackage", when="+rocm")
+        depends_on('mydeppackage', when='+rocm')
         for val in ROCmPackage.amdgpu_targets:
-            depends_on(f"mydeppackage amdgpu_target={val}",
-                       when=f"amdgpu_target={val}")
+            depends_on('mydeppackage amdgpu_target={0}'.format(val),
+                       when='amdgpu_target={0}'.format(val))
         ...
 
         def cmake_args(self):
             spec = self.spec
             args = []
             ...
-            if spec.satisfies("+rocm"):
+            if '+rocm' in spec:
                 # Set up the hip macros needed by the build
                 args.extend([
-                    "-DENABLE_HIP=ON",
-                    f"-DHIP_ROOT_DIR={spec['hip'].prefix}"])
-                rocm_archs = spec.variants["amdgpu_target"].value
-                if "none" not in rocm_archs:
-                    args.append(f"-DHIP_HIPCC_FLAGS=--amdgpu-target={','.join(rocm_archs}")
+                    '-DENABLE_HIP=ON',
+                    '-DHIP_ROOT_DIR={0}'.format(spec['hip'].prefix)])
+                rocm_archs = spec.variants['amdgpu_target'].value
+                if 'none' not in rocm_archs:
+                    args.append('-DHIP_HIPCC_FLAGS=--amdgpu-target={0}'
+                                .format(",".join(rocm_archs)))
             else:
                 # Ensure build with hip is disabled
-                args.append("-DENABLE_HIP=OFF")
+                args.append('-DENABLE_HIP=OFF')
             ...
             return args
         ...
@@ -113,7 +114,7 @@ build.
 
 This example also illustrates how to check for the ``rocm`` variant using
 ``self.spec`` and how to retrieve the ``amdgpu_target`` variant's value
-using ``self.spec.variants["amdgpu_target"].value``.
+using ``self.spec.variants['amdgpu_target'].value``.
 
 All five packages using ``ROCmPackage`` as of January 2021 also use the
 :ref:`CudaPackage <cudapackage>`. So it is worth looking at those packages

lib/spack/docs/build_systems/sconspackage.rst

@@ -57,7 +57,7 @@ overridden like so:
 .. code-block:: python
 
    def test(self):
-       scons("check")
+       scons('check')
 
 
 ^^^^^^^^^^^^^^^
@@ -88,7 +88,7 @@ base class already contains:
 
 .. code-block:: python
 
-   depends_on("scons", type="build")
+   depends_on('scons', type='build')
 
 
 If you want to specify a particular version requirement, you can override
@@ -96,7 +96,7 @@ this in your package:
 
 .. code-block:: python
 
-   depends_on("scons@2.3.0:", type="build")
+   depends_on('scons@2.3.0:', type='build')
 
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -238,14 +238,14 @@ the package build phase. This is done by overriding ``build_args`` like so:
 
    def build_args(self, spec, prefix):
        args = [
-         f"PREFIX={prefix}",
-         f"ZLIB={spec['zlib'].prefix}",
+         'PREFIX={0}'.format(prefix),
+         'ZLIB={0}'.format(spec['zlib'].prefix),
        ]
 
-       if spec.satisfies("+debug"):
-           args.append("DEBUG=yes")
+       if '+debug' in spec:
+           args.append('DEBUG=yes')
        else:
-           args.append("DEBUG=no")
+           args.append('DEBUG=no')
 
        return args
 
@@ -275,8 +275,8 @@ environment variables. For example, cantera has the following option:
    * env_vars: [ string ]
        Environment variables to propagate through to SCons. Either the
        string "all" or a comma separated list of variable names, e.g.
-       "LD_LIBRARY_PATH,HOME".
-       - default: "LD_LIBRARY_PATH,PYTHONPATH"
+       'LD_LIBRARY_PATH,HOME'.
+       - default: 'LD_LIBRARY_PATH,PYTHONPATH'
 
 
 In the case of cantera, using ``env_vars=all`` allows us to use

lib/spack/docs/build_systems/sippackage.rst

@@ -32,7 +32,7 @@ By default, these phases run:
 
 .. code-block:: console
 
-   $ sip-build --verbose --target-dir ...
+   $ python configure.py --bindir ... --destdir ...
    $ make
    $ make install
 
@@ -41,30 +41,30 @@ By default, these phases run:
 Important files
 ^^^^^^^^^^^^^^^
 
-Each SIP package comes with a custom configuration file written in Python.
-For newer packages, this is called ``project.py``, while in older packages,
-it may be called ``configure.py``. This script contains instructions to build
-the project.
+Each SIP package comes with a custom ``configure.py`` build script,
+written in Python. This script contains instructions to build the project.
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 Build system dependencies
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-``SIPPackage`` requires several dependencies. Python and SIP are needed at build-time
-to run the aforementioned configure script. Python is also needed at run-time to
-actually use the installed Python library. And as we are building Python bindings
-for C/C++ libraries, Python is also needed as a link dependency. All of these
-dependencies are automatically added via the base class.
+``SIPPackage`` requires several dependencies. Python is needed to run
+the ``configure.py`` build script, and to run the resulting Python
+libraries. Qt is needed to provide the ``qmake`` command. SIP is also
+needed to build the package. All of these dependencies are automatically
+added via the base class
 
 .. code-block:: python
 
-   extends("python", type=("build", "link", "run"))
-   depends_on("py-sip", type="build")
+   extends('python')
 
+   depends_on('qt', type='build')
 
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Passing arguments to ``sip-build``
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   depends_on('py-sip', type='build')
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Passing arguments to ``configure.py``
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Each phase comes with a ``<phase_args>`` function that can be used to pass
 arguments to that particular phase. For example, if you need to pass
@@ -72,11 +72,11 @@ arguments to the configure phase, you can use:
 
 .. code-block:: python
 
-   def configure_args(self):
-       return ["--no-python-dbus"]
+   def configure_args(self, spec, prefix):
+       return ['--no-python-dbus']
 
 
-A list of valid options can be found by running ``sip-build --help``.
+A list of valid options can be found by running ``python configure.py --help``.
 
 ^^^^^^^
 Testing

lib/spack/docs/conf.py

@@ -48,6 +48,9 @@
 os.environ["COLIFY_SIZE"] = "25x120"
 os.environ["COLUMNS"] = "120"
 
+# Generate full package list if needed
+subprocess.call(["spack", "list", "--format=html", "--update=package_list.html"])
+
 # Generate a command index if an update is needed
 subprocess.call(
     [
@@ -94,7 +97,9 @@ class PatchedPythonDomain(PythonDomain):
     def resolve_xref(self, env, fromdocname, builder, typ, target, node, contnode):
         if "refspecific" in node:
             del node["refspecific"]
-        return super().resolve_xref(env, fromdocname, builder, typ, target, node, contnode)
+        return super(PatchedPythonDomain, self).resolve_xref(
+            env, fromdocname, builder, typ, target, node, contnode
+        )
 
 
 #
@@ -144,6 +149,7 @@ def setup(sphinx):
 # Get nice vector graphics
 graphviz_output_format = "svg"
 
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
 
@@ -204,17 +210,13 @@ def setup(sphinx):
     ("py:class", "clingo.Control"),
     ("py:class", "six.moves.urllib.parse.ParseResult"),
     ("py:class", "TextIO"),
-    ("py:class", "hashlib._Hash"),
     # Spack classes that are private and we don't want to expose
     ("py:class", "spack.provider_index._IndexBase"),
     ("py:class", "spack.repo._PrependFileLoader"),
     ("py:class", "spack.build_systems._checks.BaseBuilder"),
     # Spack classes that intersphinx is unable to resolve
-    ("py:class", "spack.version.StandardVersion"),
+    ("py:class", "spack.version.VersionBase"),
     ("py:class", "spack.spec.DependencySpec"),
-    ("py:class", "spack.spec.InstallStatus"),
-    ("py:class", "spack.spec.SpecfileReaderBase"),
-    ("py:class", "spack.install_test.Pb"),
 ]
 
 # The reST default role (used for this markup: `text`) to use for all documents.
@@ -230,8 +232,30 @@ def setup(sphinx):
 # If true, sectionauthor and moduleauthor directives will be shown in the
 # output. They are ignored by default.
 # show_authors = False
-sys.path.append("./_pygments")
-pygments_style = "style.SpackStyle"
+
+# The name of the Pygments (syntax highlighting) style to use.
+# We use our own extension of the default style with a few modifications
+from pygments.style import Style
+from pygments.styles.default import DefaultStyle
+from pygments.token import Comment, Generic, Text
+
+
+class SpackStyle(DefaultStyle):
+    styles = DefaultStyle.styles.copy()
+    background_color = "#f4f4f8"
+    styles[Generic.Output] = "#355"
+    styles[Generic.Prompt] = "bold #346ec9"
+
+
+import pkg_resources
+
+dist = pkg_resources.Distribution(__file__)
+sys.path.append(".")  # make 'conf' module findable
+ep = pkg_resources.EntryPoint.parse("spack = conf:SpackStyle", dist=dist)
+dist._ep_map = {"pygments.styles": {"plugin1": ep}}
+pkg_resources.working_set.add(dist)
+
+pygments_style = "spack"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -316,15 +340,16 @@ def setup(sphinx):
 # Output file base name for HTML help builder.
 htmlhelp_basename = "Spackdoc"
 
+
 # -- Options for LaTeX output --------------------------------------------------
 
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
-    # 'papersize': 'letterpaper',
+    #'papersize': 'letterpaper',
     # The font size ('10pt', '11pt' or '12pt').
-    # 'pointsize': '10pt',
+    #'pointsize': '10pt',
     # Additional stuff for the LaTeX preamble.
-    # 'preamble': '',
+    #'preamble': '',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples

lib/spack/docs/config_yaml.rst

@@ -292,29 +292,14 @@ It is also worth noting that:
          non_bindable_shared_objects = ["libinterface.so"]
 
 ----------------------
-``install_status``
+``terminal_title``
 ----------------------
 
-When set to ``true``, Spack will show information about its current progress
-as well as the current and total package numbers. Progress is shown both
-in the terminal title and inline. Setting it to ``false`` will not show any
-progress information.
+By setting this option to ``true``, Spack will update the terminal's title to
+provide information about its current progress as well as the current and
+total package numbers.
 
 To work properly, this requires your terminal to reset its title after
 Spack has finished its work, otherwise Spack's status information will
 remain in the terminal's title indefinitely. Most terminals should already
 be set up this way and clear Spack's status information.
-
------------
-``aliases``
------------
-
-Aliases can be used to define new Spack commands. They can be either shortcuts
-for longer commands or include specific arguments for convenience. For instance,
-if users want to use ``spack install``'s ``-v`` argument all the time, they can
-create a new alias called ``inst`` that will always call ``install -v``:
-
-.. code-block:: yaml
-
-   aliases:
-     inst: install -v

lib/spack/docs/configuration.rst

@@ -17,12 +17,11 @@ case you want to skip directly to specific docs:
 * :ref:`config.yaml <config-yaml>`
 * :ref:`mirrors.yaml <mirrors>`
 * :ref:`modules.yaml <modules>`
-* :ref:`packages.yaml <packages-config>`
+* :ref:`packages.yaml <build-settings>`
 * :ref:`repos.yaml <repositories>`
 
-You can also add any of these as inline configuration in the YAML
-manifest file (``spack.yaml``) describing an :ref:`environment
-<environment-configuration>`.
+You can also add any of these as inline configuration in ``spack.yaml``
+in an :ref:`environment <environment-configuration>`.
 
 -----------
 YAML Format
@@ -228,9 +227,6 @@ You can get the name to use for ``<platform>`` by running ``spack arch
 --platform``. The system config scope has a ``<platform>`` section for
 sites at which ``/etc`` is mounted on multiple heterogeneous machines.
 
-
-.. _config-scope-precedence:
-
 ----------------
 Scope Precedence
 ----------------
@@ -243,11 +239,6 @@ lower-precedence settings. Completely ignoring higher-level configuration
 options is supported with the ``::`` notation for keys (see
 :ref:`config-overrides` below).
 
-There are also special notations for string concatenation and precendense override.
-Using the ``+:`` notation  can be used to force *prepending* strings or lists. For lists, this is identical
-to the default behavior. Using the ``-:`` works similarly, but for *appending* values.
-:ref:`config-prepend-append`
-
 ^^^^^^^^^^^
 Simple keys
 ^^^^^^^^^^^
@@ -288,47 +279,6 @@ command:
        - ~/.spack/stage
 
 
-.. _config-prepend-append:
-
-^^^^^^^^^^^^^^^^^^^^
-String Concatenation
-^^^^^^^^^^^^^^^^^^^^
-
-Above, the user ``config.yaml`` *completely* overrides specific settings in the
-default ``config.yaml``. Sometimes, it is useful to add a suffix/prefix
-to a path or name. To do this, you can use the ``-:`` notation for *append*
-string concatenation at the end of a key in a configuration file. For example:
-
-.. code-block:: yaml
-   :emphasize-lines: 1
-   :caption: ~/.spack/config.yaml
-
-   config:
-     install_tree-: /my/custom/suffix/
-
-Spack will then append to the lower-precedence configuration under the
-``install_tree-:`` section:
-
-.. code-block:: console
-
-   $ spack config get config
-   config:
-     install_tree: /some/other/directory/my/custom/suffix
-     build_stage:
-       - $tempdir/$user/spack-stage
-       - ~/.spack/stage
-
-
-Similarly, ``+:`` can be used to *prepend* to a path or name:
-
-.. code-block:: yaml
-   :emphasize-lines: 1
-   :caption: ~/.spack/config.yaml
-
-   config:
-     install_tree+: /my/custom/suffix/
-
-
 .. _config-overrides:
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

lib/spack/docs/containers.rst

@@ -143,26 +143,6 @@ The OS that are currently supported are summarized in the table below:
    * - Amazon Linux 2
      - ``amazonlinux:2``
      - ``spack/amazon-linux``
-   * - AlmaLinux 8
-     - ``almalinux:8``
-     - ``spack/almalinux8``
-   * - AlmaLinux 9
-     - ``almalinux:9``
-     - ``spack/almalinux9``
-   * - Rocky Linux 8
-     - ``rockylinux:8``
-     - ``spack/rockylinux8``
-   * - Rocky Linux 9
-     - ``rockylinux:9``
-     - ``spack/rockylinux9``
-   * - Fedora Linux 37
-     - ``fedora:37``
-     - ``spack/fedora37``
-   * - Fedora Linux 38
-     - ``fedora:38``
-     - ``spack/fedora38``
-
-
 
 All the images are tagged with the corresponding release of Spack:
 
@@ -212,12 +192,18 @@ under the ``container`` attribute of environments:
          final:
          - libgomp
 
+       # Extra instructions
+       extra_instructions:
+         final: |
+           RUN echo 'export PS1="\[$(tput bold)\]\[$(tput setaf 1)\][gromacs]\[$(tput setaf 2)\]\u\[$(tput sgr0)\]:\w $ "' >> ~/.bashrc
+
        # Labels for the image
        labels:
          app: "gromacs"
          mpi: "mpich"
 
-A detailed description of the options available can be found in the :ref:`container_config_options` section.
+A detailed description of the options available can be found in the
+:ref:`container_config_options` section.
 
 -------------------
 Setting Base Images
@@ -458,127 +444,6 @@ attribute:
 The minimum version of Singularity required to build a SIF (Singularity Image Format)
 image from the recipes generated by Spack is ``3.5.3``.
 
-------------------------------
-Extending the Jinja2 Templates
-------------------------------
-
-The Dockerfile and the Singularity definition file that Spack can generate are based on
-a few Jinja2 templates that are rendered according to the environment being containerized.
-Even though Spack allows a great deal of customization by just setting appropriate values for
-the configuration options, sometimes that is not enough.
-
-In those cases, a user can directly extend the template that Spack uses to render the image
-to e.g. set additional environment variables or perform specific operations either before or
-after a given stage of the build. Let's consider as an example the following structure:
-
-.. code-block:: console
-
-   $ tree /opt/environment
-   /opt/environment
-   ├── data
-   │     └── data.csv
-   ├── spack.yaml
-   ├── data
-   └── templates
-       └── container
-           └── CustomDockerfile
-
-containing both the custom template extension and the environment manifest file. To use a custom
-template, the environment must register the directory containing it, and declare its use under the
-``container`` configuration:
-
-.. code-block:: yaml
-   :emphasize-lines: 7-8,12
-
-   spack:
-     specs:
-     - hdf5~mpi
-     concretizer:
-       unify: true
-     config:
-       template_dirs:
-       - /opt/environment/templates
-     container:
-       format: docker
-       depfile: true
-       template: container/CustomDockerfile
-
-The template extension can override two blocks, named ``build_stage`` and ``final_stage``, similarly to
-the example below:
-
-.. code-block::
-   :emphasize-lines: 3,8
-
-   {% extends "container/Dockerfile" %}
-   {% block build_stage %}
-   RUN echo "Start building"
-   {{ super() }}
-   {% endblock %}
-   {% block final_stage %}
-   {{ super() }}
-   COPY data /share/myapp/data
-   {% endblock %}
-
-The Dockerfile is generated by running:
-
-.. code-block:: console
-
-   $ spack -e /opt/environment containerize
-
-Note that the environment must be active for spack to read the template.
-The recipe that gets generated contains the two extra instruction that we added in our template extension:
-
-.. code-block:: Dockerfile
-   :emphasize-lines: 4,43
-
-   # Build stage with Spack pre-installed and ready to be used
-   FROM spack/ubuntu-jammy:latest as builder
-
-   RUN echo "Start building"
-
-   # What we want to install and how we want to install it
-   # is specified in a manifest file (spack.yaml)
-   RUN mkdir /opt/spack-environment \
-   &&  (echo "spack:" \
-   &&   echo "  specs:" \
-   &&   echo "  - hdf5~mpi" \
-   &&   echo "  concretizer:" \
-   &&   echo "    unify: true" \
-   &&   echo "  config:" \
-   &&   echo "    template_dirs:" \
-   &&   echo "    - /tmp/environment/templates" \
-   &&   echo "    install_tree: /opt/software" \
-   &&   echo "  view: /opt/view") > /opt/spack-environment/spack.yaml
-
-   # Install the software, remove unnecessary deps
-   RUN cd /opt/spack-environment && spack env activate . && spack concretize && spack env depfile -o Makefile && make -j $(nproc) && spack gc -y
-
-   # Strip all the binaries
-   RUN find -L /opt/view/* -type f -exec readlink -f '{}' \; | \
-       xargs file -i | \
-       grep 'charset=binary' | \
-       grep 'x-executable\|x-archive\|x-sharedlib' | \
-       awk -F: '{print $1}' | xargs strip -s
-
-   # Modifications to the environment that are necessary to run
-   RUN cd /opt/spack-environment && \
-       spack env activate --sh -d . >> /etc/profile.d/z10_spack_environment.sh
-
-   # Bare OS image to run the installed executables
-   FROM ubuntu:22.04
-
-   COPY --from=builder /opt/spack-environment /opt/spack-environment
-   COPY --from=builder /opt/software /opt/software
-   COPY --from=builder /opt/._view /opt/._view
-   COPY --from=builder /opt/view /opt/view
-   COPY --from=builder /etc/profile.d/z10_spack_environment.sh /etc/profile.d/z10_spack_environment.sh
-
-   COPY data /share/myapp/data
-
-   ENTRYPOINT ["/bin/bash", "--rcfile", "/etc/profile", "-l", "-c", "$*", "--" ]
-   CMD [ "/bin/bash" ]
-
-
 .. _container_config_options:
 
 -----------------------
@@ -599,10 +464,6 @@ to customize the generation of container recipes:
      - The format of the recipe
      - ``docker`` or ``singularity``
      - Yes
-   * - ``depfile``
-     - Whether to use a depfile for installation, or not
-     - True or False (default)
-     - No
    * - ``images:os``
      - Operating system used as a base for the image
      - See :ref:`containers-supported-os`
@@ -637,7 +498,7 @@ to customize the generation of container recipes:
      - No
    * - ``os_packages:command``
      - Tool used to manage system packages
-     - ``apt``, ``yum``, ``dnf``, ``dnf_epel``, ``zypper``, ``apk``, ``yum_amazon``
+     - ``apt``, ``yum``
      - Only with custom base images
    * - ``os_packages:update``
      - Whether or not to update the list of available packages
@@ -651,6 +512,14 @@ to customize the generation of container recipes:
      - System packages needed at run-time
      - Valid packages for the current OS
      - No
+   * - ``extra_instructions:build``
+     - Extra instructions (e.g. `RUN`, `COPY`, etc.) at the end of the ``build`` stage
+     - Anything understood by the current ``format``
+     - No
+   * - ``extra_instructions:final``
+     - Extra instructions (e.g. `RUN`, `COPY`, etc.) at the end of the ``final`` stage
+     - Anything understood by the current ``format``
+     - No
    * - ``labels``
      - Labels to tag the image
      - Pairs of key-value strings

lib/spack/docs/contribution_guide.rst

@@ -310,11 +310,53 @@ Once all of the dependencies are installed, you can try building the documentati
    $ make clean
    $ make
 
-If you see any warning or error messages, you will have to correct those before your PR
-is accepted. If you are editing the documentation, you should be running the
-documentation tests to make sure there are no errors. Documentation changes can result
-in some obfuscated warning messages. If you don't understand what they mean, feel free
-to ask when you submit your PR.
+If you see any warning or error messages, you will have to correct those before
+your PR is accepted.
+
+If you are editing the documentation, you should obviously be running the
+documentation tests. But even if you are simply adding a new package, your
+changes could cause the documentation tests to fail:
+
+.. code-block:: console
+
+   package_list.rst:8745: WARNING: Block quote ends without a blank line; unexpected unindent.
+
+At first, this error message will mean nothing to you, since you didn't edit
+that file. Until you look at line 8745 of the file in question:
+
+.. code-block:: rst
+
+   Description:
+      NetCDF is a set of software libraries and self-describing, machine-
+     independent data formats that support the creation, access, and sharing
+     of array-oriented scientific data.
+
+Our documentation includes :ref:`a list of all Spack packages <package-list>`.
+If you add a new package, its docstring is added to this page. The problem in
+this case was that the docstring looked like:
+
+.. code-block:: python
+
+   class Netcdf(Package):
+       """
+       NetCDF is a set of software libraries and self-describing,
+       machine-independent data formats that support the creation,
+       access, and sharing of array-oriented scientific data.
+       """
+
+Docstrings cannot start with a newline character, or else Sphinx will complain.
+Instead, they should look like:
+
+.. code-block:: python
+
+   class Netcdf(Package):
+       """NetCDF is a set of software libraries and self-describing,
+       machine-independent data formats that support the creation,
+       access, and sharing of array-oriented scientific data."""
+
+Documentation changes can result in much more obfuscated warning messages.
+If you don't understand what they mean, feel free to ask when you submit
+your PR.
 
 --------
 Coverage

lib/spack/docs/developer_guide.rst

@@ -472,7 +472,7 @@ use my new hook as follows:
 .. code-block:: python
 
     def post_log_write(message, level):
-        """Do something custom with the message and level every time we write
+        """Do something custom with the messsage and level every time we write
         to the log
         """
         print('running post_log_write!')

lib/spack/docs/environments.rst

@@ -94,9 +94,9 @@ an Environment, the ``.spack-env`` directory also contains:
   * ``logs/``: A directory containing the build logs for the packages
     in this Environment.
 
-Spack Environments can also be created from either a manifest file
-(usually but not necessarily named, ``spack.yaml``) or a lockfile.
-To create an Environment from a manifest:
+Spack Environments can also be created from either a ``spack.yaml``
+manifest or a ``spack.lock`` lockfile. To create an Environment from a
+``spack.yaml`` manifest:
 
 .. code-block:: console
 
@@ -174,7 +174,7 @@ Anonymous specs can be created in place using the command:
 
    $ spack env create -d .
 
-In this case Spack simply creates a ``spack.yaml`` file in the requested
+In this case Spack simply creates a spack.yaml file in the requested
 directory.
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -347,7 +347,7 @@ the Environment and then install the concretized specs.
    (see :ref:`build-jobs`). To speed up environment builds further, independent
    packages can be installed in parallel by launching more Spack instances. For
    example, the following will build at most four packages in parallel using
-   three background jobs:
+   three background jobs: 
 
    .. code-block:: console
 
@@ -395,7 +395,7 @@ version (and other constraints) passed as the spec argument to the
 
 For packages with ``git`` attributes, git branches, tags, and commits can
 also be used as valid concrete versions (see :ref:`version-specifier`).
-This means that for a package ``foo``, ``spack develop foo@git.main`` will clone
+This means that for a package ``foo``, ``spack develop foo@git.main`` will clone 
 the ``main`` branch of the package, and ``spack install`` will install from
 that git clone if ``foo`` is in the environment.
 Further development on ``foo`` can be tested by reinstalling the environment,
@@ -589,11 +589,10 @@ user support groups providing a large software stack for their HPC center.
 
 .. admonition:: Re-concretization of user specs
 
-   The ``spack concretize`` command without additional arguments will *not* change any
-   previously concretized specs. This may prevent it from finding a solution when using
-   ``unify: true``, and it may prevent it from finding a minimal solution when using
-   ``unify: when_possible``. You can force Spack to ignore the existing concrete environment
-   with ``spack concretize -f``.
+   When using *unified* concretization (when possible), the entire set of specs will be
+   re-concretized after any addition of new user specs, to ensure that
+   the environment remains consistent / minimal. When instead unified concretization is
+   disabled, only the new specs will be concretized after any addition.
 
 ^^^^^^^^^^^^^
 Spec Matrices
@@ -916,9 +915,9 @@ function, as shown in the example below:
 .. code-block:: yaml
 
    projections:
-     zlib: "{name}-{version}"
-     ^mpi: "{name}-{version}/{^mpi.name}-{^mpi.version}-{compiler.name}-{compiler.version}"
-     all: "{name}-{version}/{compiler.name}-{compiler.version}"
+     zlib: {name}-{version}
+     ^mpi: {name}-{version}/{^mpi.name}-{^mpi.version}-{compiler.name}-{compiler.version}
+     all: {name}-{version}/{compiler.name}-{compiler.version}
 
 The entries in the projections configuration file must all be either
 specs or the keyword ``all``. For each spec, the projection used will
@@ -1122,21 +1121,21 @@ index once every package is pushed. Note how this target uses the generated
 
    SPACK ?= spack
    BUILDCACHE_DIR = $(CURDIR)/tarballs
-
+   
    .PHONY: all
-
+   
    all: push
-
+   
    include env.mk
-
+   
    example/push/%: example/install/%
    	@mkdir -p $(dir $@)
    	$(info About to push $(SPEC) to a buildcache)
-   	$(SPACK) -e . buildcache push --allow-root --only=package $(BUILDCACHE_DIR) /$(HASH)
+   	$(SPACK) -e . buildcache create --allow-root --only=package --directory $(BUILDCACHE_DIR) /$(HASH)
    	@touch $@
-
+   
    push: $(addprefix example/push/,$(example/SPACK_PACKAGE_IDS))
    	$(info Updating the buildcache index)
-   	$(SPACK) -e . buildcache update-index $(BUILDCACHE_DIR)
+   	$(SPACK) -e . buildcache update-index --directory $(BUILDCACHE_DIR)
    	$(info Done!)
    	@touch $@

lib/spack/docs/frequently_asked_questions.rst

@@ -1,77 +0,0 @@
-.. Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
-
-   SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-==========================
-Frequently Asked Questions
-==========================
-
-This page contains answers to frequently asked questions about Spack.
-If you have questions that are not answered here, feel free to ask on
-`Slack <https://slack.spack.io>`_ or `GitHub Discussions
-<https://github.com/spack/spack/discussions>`_. If you've learned the
-answer to a question that you think should be here, please consider
-contributing to this page.
-
-.. _faq-concretizer-precedence:
-
------------------------------------------------------
-Why does Spack pick particular versions and variants?
------------------------------------------------------
-
-This question comes up in a variety of forms:
-
- 1. Why does Spack seem to ignore my package preferences from ``packages.yaml`` config?
- 2. Why does Spack toggle a variant instead of using the default from the ``package.py`` file?
-
-The short answer is that Spack always picks an optimal configuration
-based on a complex set of criteria\ [#f1]_. These criteria are more nuanced
-than always choosing the latest versions or default variants.
-
-.. note::
-
-    As a rule of thumb: requirements + constraints > reuse > preferences > defaults.
-
-The following set of criteria (from lowest to highest precedence) explain
-common cases where concretization output may seem surprising at first.
-
-1. :ref:`Package preferences <package-preferences>` configured in ``packages.yaml``
-   override variant defaults from ``package.py`` files, and influence the optimal
-   ordering of versions. Preferences are specified as follows:
-
-   .. code-block:: yaml
-
-      packages:
-        foo:
-          version: [1.0, 1.1]
-          variants: ~mpi
-
-2. :ref:`Reuse concretization <concretizer-options>` configured in ``concretizer.yaml``
-   overrides preferences, since it's typically faster to reuse an existing spec than to
-   build a preferred one from sources. When build caches are enabled, specs may be reused
-   from a remote location too. Reuse concretization is configured as follows:
-
-   .. code-block:: yaml
-
-      concretizer:
-        reuse: dependencies  # other options are 'true' and 'false'
-
-3. :ref:`Package requirements <package-requirements>` configured in ``packages.yaml``,
-   and constraints from the command line as well as ``package.py`` files override all
-   of the above. Requirements are specified as follows:
-
-   .. code-block:: yaml
-
-      packages:
-        foo:
-          require:
-          - "@1.2: +mpi"
-
-Requirements and constraints restrict the set of possible solutions, while reuse
-behavior and preferences influence what an optimal solution looks like.
-
-
-.. rubric:: Footnotes
-
-.. [#f1] The exact list of criteria can be retrieved with the ``spack solve`` command

lib/spack/docs/getting_started.rst

@@ -41,9 +41,12 @@ A build matrix showing which packages are working on which systems is shown belo
 
       .. code-block:: console
 
-         dnf install epel-release
-         dnf group install "Development Tools"
-         dnf install curl findutils gcc-gfortran gnupg2 hostname iproute redhat-lsb-core python3 python3-pip python3-setuptools unzip python3-boto3
+         yum update -y
+         yum install -y epel-release
+         yum update -y
+         yum --enablerepo epel groupinstall -y "Development Tools"
+         yum --enablerepo epel install -y curl findutils gcc-c++ gcc gcc-gfortran git gnupg2 hostname iproute redhat-lsb-core make patch python3 python3-pip python3-setuptools unzip
+         python3 -m pip install boto3
 
    .. tab-item:: macOS Brew
 
@@ -317,7 +320,7 @@ installed, but you know that new compilers have been added to your
 
 .. code-block:: console
 
-   $ module load gcc/4.9.0
+   $ module load gcc-4.9.0
    $ spack compiler find
    ==> Added 1 new compiler to ~/.spack/linux/compilers.yaml
        gcc@4.9.0
@@ -365,8 +368,7 @@ Manual compiler configuration
 
 If auto-detection fails, you can manually configure a compiler by
 editing your ``~/.spack/<platform>/compilers.yaml`` file.  You can do this by running
-``spack config edit compilers``, which will open the file in
-:ref:`your favorite editor <controlling-the-editor>`.
+``spack config edit compilers``, which will open the file in your ``$EDITOR``.
 
 Each compiler configuration in the file looks like this:
 
@@ -1595,8 +1597,8 @@ in a Windows CMD prompt.
 
 .. note::
    If you chose to install Spack into a directory on Windows that is set up to require Administrative
-   Privileges, Spack will require elevated privileges to run.
-   Administrative Privileges can be denoted either by default such as
+   Privleges, Spack will require elevated privleges to run.
+   Administrative Privleges can be denoted either by default such as
    ``C:\Program Files``, or aministrator applied administrative restrictions
    on a directory that spack installs files to such as ``C:\Users``
 
@@ -1692,7 +1694,7 @@ Spack console via:
 
    spack install cpuinfo
 
-If in the previous step, you did not have CMake or Ninja installed, running the command above should bootstrap both packages
+If in the previous step, you did not have CMake or Ninja installed, running the command above should boostrap both packages
 
 """""""""""""""""""""""""""
 Windows Compatible Packages

lib/spack/docs/gpu_configuration.rst

@@ -1,113 +0,0 @@
-.. Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
-
-   SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-==========================
-Using External GPU Support
-==========================
-
-Many packages come with a ``+cuda`` or ``+rocm`` variant. With no added
-configuration Spack will download and install the needed components.
-It may be preferable to use existing system support: the following sections
-help with using a system installation of GPU libraries.
-
------------------------------------
-Using an External ROCm Installation
------------------------------------
-
-Spack breaks down ROCm into many separate component packages. The following
-is an example ``packages.yaml`` that organizes a consistent set of ROCm
-components for use by dependent packages:
-
-.. code-block:: yaml
-
-   packages:
-     all:
-       compiler: [rocmcc@=5.3.0]
-       variants: amdgpu_target=gfx90a
-     hip:
-       buildable: false
-       externals:
-       - spec: hip@5.3.0
-         prefix: /opt/rocm-5.3.0/hip
-     hsa-rocr-dev:
-       buildable: false
-       externals:
-       - spec: hsa-rocr-dev@5.3.0
-         prefix: /opt/rocm-5.3.0/
-     llvm-amdgpu:
-       buildable: false
-       externals:
-       - spec: llvm-amdgpu@5.3.0
-         prefix: /opt/rocm-5.3.0/llvm/
-     comgr:
-       buildable: false
-       externals:
-       - spec: comgr@5.3.0
-         prefix: /opt/rocm-5.3.0/
-     hipsparse:
-       buildable: false
-       externals:
-       - spec: hipsparse@5.3.0
-         prefix: /opt/rocm-5.3.0/
-     hipblas:
-       buildable: false
-       externals:
-       - spec: hipblas@5.3.0
-         prefix: /opt/rocm-5.3.0/
-     rocblas:
-       buildable: false
-       externals:
-       - spec: rocblas@5.3.0
-         prefix: /opt/rocm-5.3.0/
-     rocprim:
-       buildable: false
-       externals:
-       - spec: rocprim@5.3.0
-         prefix: /opt/rocm-5.3.0/rocprim/
-
-This is in combination with the following compiler definition:
-
-.. code-block:: yaml
-
-   compilers:
-   - compiler:
-       spec: rocmcc@=5.3.0
-       paths:
-         cc: /opt/rocm-5.3.0/bin/amdclang
-         cxx: /opt/rocm-5.3.0/bin/amdclang++
-         f77: null
-         fc: /opt/rocm-5.3.0/bin/amdflang
-       operating_system: rhel8
-       target: x86_64
-
-This includes the following considerations:
-
-- Each of the listed externals specifies ``buildable: false`` to force Spack
-  to use only the externals we defined.
-- ``spack external find`` can automatically locate some of the ``hip``/``rocm``
-  packages, but not all of them, and furthermore not in a manner that
-  guarantees a complementary set if multiple ROCm installations are available.
-- The ``prefix`` is the same for several components, but note that others
-  require listing one of the subdirectories as a prefix.
-
------------------------------------
-Using an External CUDA Installation
------------------------------------
-
-CUDA is split into fewer components and is simpler to specify:
-
-.. code-block:: yaml
-
-   packages:
-     all:
-       variants:
-       - cuda_arch=70
-     cuda:
-       buildable: false
-       externals:
-       - spec: cuda@11.0.2
-         prefix: /opt/cuda/cuda-11.0.2/
-
-where ``/opt/cuda/cuda-11.0.2/lib/`` contains ``libcudart.so``.

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lib/spack/docs/index.rst

@@ -54,16 +54,8 @@ or refer to the full manual below.
    features
    getting_started
    basic_usage
+   Tutorial: Spack 101 <https://spack-tutorial.readthedocs.io>
    replace_conda_homebrew
-   frequently_asked_questions
-
-.. toctree::
-   :maxdepth: 2
-   :caption: Links
-
-   Tutorial (spack-tutorial.rtfd.io) <https://spack-tutorial.readthedocs.io>
-   Packages (packages.spack.io) <https://packages.spack.io>
-   Binaries (binaries.spack.io) <https://cache.spack.io>
 
 .. toctree::
    :maxdepth: 2
@@ -71,7 +63,7 @@ or refer to the full manual below.
 
    configuration
    config_yaml
-   packages_yaml
+   bootstrapping
    build_settings
    environments
    containers
@@ -79,13 +71,11 @@ or refer to the full manual below.
    module_file_support
    repositories
    binary_caches
-   bootstrapping
    command_index
+   package_list
    chain
    extensions
    pipelines
-   signing
-   gpu_configuration
 
 .. toctree::
    :maxdepth: 2

lib/spack/docs/mirrors.rst

@@ -163,7 +163,7 @@ your site.
 Mirror environment
 ^^^^^^^^^^^^^^^^^^
 
-To create a mirror of all packages required by a concrete environment, activate the environment and call ``spack mirror create -a``.
+To create a mirror of all packages required by a concerte environment, activate the environment and call ``spack mirror create -a``.
 This is especially useful to create a mirror of an environment concretized on another machine.
 
 .. code-block:: console

lib/spack/docs/module_file_support.rst

@@ -13,7 +13,7 @@ The use of module systems to manage user environment in a controlled way
 is a common practice at HPC centers that is often embraced also by
 individual programmers on their development machines. To support this
 common practice Spack integrates with `Environment Modules
-<http://modules.sourceforge.net/>`_ and `Lmod
+<http://modules.sourceforge.net/>`_ and `LMod
 <http://lmod.readthedocs.io/en/latest/>`_ by providing post-install hooks
 that generate module files and commands to manipulate them.
 
@@ -26,8 +26,8 @@ Using module files via Spack
 ----------------------------
 
 If you have installed a supported module system you should be able to
-run ``module avail`` to see what module
-files have been installed. Here is sample output of those programs,
+run either ``module avail`` or ``use -l spack`` to see what module
+files have been installed.  Here is sample output of those programs,
 showing lots of installed packages:
 
 .. code-block:: console
@@ -35,27 +35,32 @@ showing lots of installed packages:
    $ module avail
 
    --------------------------------------------------------------- ~/spack/share/spack/modules/linux-ubuntu14-x86_64 ---------------------------------------------------------------
-   autoconf/2.69-gcc-4.8-qextxkq       hwloc/1.11.6-gcc-6.3.0-akcisez             m4/1.4.18-gcc-4.8-ev2znoc                   openblas/0.2.19-gcc-6.3.0-dhkmed6        py-setuptools/34.2.0-gcc-6.3.0-fadur4s
-   automake/1.15-gcc-4.8-maqvukj       isl/0.18-gcc-4.8-afi6taq                   m4/1.4.18-gcc-6.3.0-uppywnz                 openmpi/2.1.0-gcc-6.3.0-go2s4z5          py-six/1.10.0-gcc-6.3.0-p4dhkaw
-   binutils/2.28-gcc-4.8-5s7c6rs       libiconv/1.15-gcc-4.8-at46wg3              mawk/1.3.4-gcc-4.8-acjez57                  openssl/1.0.2k-gcc-4.8-dkls5tk           python/2.7.13-gcc-6.3.0-tyehea7
-   bison/3.0.4-gcc-4.8-ek4luo5         libpciaccess/0.13.4-gcc-6.3.0-gmufnvh      mawk/1.3.4-gcc-6.3.0-ostdoms                openssl/1.0.2k-gcc-6.3.0-gxgr5or         readline/7.0-gcc-4.8-xhufqhn
-   bzip2/1.0.6-gcc-4.8-iffrxzn         libsigsegv/2.11-gcc-4.8-pp2cvte            mpc/1.0.3-gcc-4.8-g5mztc5                   pcre/8.40-gcc-4.8-r5pbrxb                readline/7.0-gcc-6.3.0-zzcyicg
-   bzip2/1.0.6-gcc-6.3.0-bequudr       libsigsegv/2.11-gcc-6.3.0-7enifnh          mpfr/3.1.5-gcc-4.8-o7xm7az                  perl/5.24.1-gcc-4.8-dg5j65u              sqlite/3.8.5-gcc-6.3.0-6zoruzj
-   cmake/3.7.2-gcc-6.3.0-fowuuby       libtool/2.4.6-gcc-4.8-7a523za              mpich/3.2-gcc-6.3.0-dmvd3aw                 perl/5.24.1-gcc-6.3.0-6uzkpt6            tar/1.29-gcc-4.8-wse2ass
-   curl/7.53.1-gcc-4.8-3fz46n6         libtool/2.4.6-gcc-6.3.0-n7zmbzt            ncurses/6.0-gcc-4.8-dcpe7ia                 pkg-config/0.29.2-gcc-4.8-ib33t75        tcl/8.6.6-gcc-4.8-tfxzqbr
-   expat/2.2.0-gcc-4.8-mrv6bd4         libxml2/2.9.4-gcc-4.8-ryzxnsu              ncurses/6.0-gcc-6.3.0-ucbhcdy               pkg-config/0.29.2-gcc-6.3.0-jpgubk3      util-macros/1.19.1-gcc-6.3.0-xorz2x2
-   flex/2.6.3-gcc-4.8-yf345oo          libxml2/2.9.4-gcc-6.3.0-rltzsdh            netlib-lapack/3.6.1-gcc-6.3.0-js33dog       py-appdirs/1.4.0-gcc-6.3.0-jxawmw7       xz/5.2.3-gcc-4.8-mew4log
-   gcc/6.3.0-gcc-4.8-24puqve           lmod/7.4.1-gcc-4.8-je4srhr                 netlib-scalapack/2.0.2-gcc-6.3.0-5aidk4l    py-numpy/1.12.0-gcc-6.3.0-oemmoeu        xz/5.2.3-gcc-6.3.0-3vqeuvb
-   gettext/0.19.8.1-gcc-4.8-yymghlh    lua/5.3.4-gcc-4.8-im75yaz                  netlib-scalapack/2.0.2-gcc-6.3.0-hjsemcn    py-packaging/16.8-gcc-6.3.0-i2n3dtl      zip/3.0-gcc-4.8-rwar22d
-   gmp/6.1.2-gcc-4.8-5ub2wu5           lua-luafilesystem/1_6_3-gcc-4.8-wkey3nl    netlib-scalapack/2.0.2-gcc-6.3.0-jva724b    py-pyparsing/2.1.10-gcc-6.3.0-tbo6gmw    zlib/1.2.11-gcc-4.8-pgxsxv7
-   help2man/1.47.4-gcc-4.8-kcnqmau     lua-luaposix/33.4.0-gcc-4.8-mdod2ry        netlib-scalapack/2.0.2-gcc-6.3.0-rgqfr6d    py-scipy/0.19.0-gcc-6.3.0-kr7nat4        zlib/1.2.11-gcc-6.3.0-7cqp6cj
+   autoconf-2.69-gcc-4.8-qextxkq       hwloc-1.11.6-gcc-6.3.0-akcisez             m4-1.4.18-gcc-4.8-ev2znoc                   openblas-0.2.19-gcc-6.3.0-dhkmed6        py-setuptools-34.2.0-gcc-6.3.0-fadur4s
+   automake-1.15-gcc-4.8-maqvukj       isl-0.18-gcc-4.8-afi6taq                   m4-1.4.18-gcc-6.3.0-uppywnz                 openmpi-2.1.0-gcc-6.3.0-go2s4z5          py-six-1.10.0-gcc-6.3.0-p4dhkaw
+   binutils-2.28-gcc-4.8-5s7c6rs       libiconv-1.15-gcc-4.8-at46wg3              mawk-1.3.4-gcc-4.8-acjez57                  openssl-1.0.2k-gcc-4.8-dkls5tk           python-2.7.13-gcc-6.3.0-tyehea7
+   bison-3.0.4-gcc-4.8-ek4luo5         libpciaccess-0.13.4-gcc-6.3.0-gmufnvh      mawk-1.3.4-gcc-6.3.0-ostdoms                openssl-1.0.2k-gcc-6.3.0-gxgr5or         readline-7.0-gcc-4.8-xhufqhn
+   bzip2-1.0.6-gcc-4.8-iffrxzn         libsigsegv-2.11-gcc-4.8-pp2cvte            mpc-1.0.3-gcc-4.8-g5mztc5                   pcre-8.40-gcc-4.8-r5pbrxb                readline-7.0-gcc-6.3.0-zzcyicg
+   bzip2-1.0.6-gcc-6.3.0-bequudr       libsigsegv-2.11-gcc-6.3.0-7enifnh          mpfr-3.1.5-gcc-4.8-o7xm7az                  perl-5.24.1-gcc-4.8-dg5j65u              sqlite-3.8.5-gcc-6.3.0-6zoruzj
+   cmake-3.7.2-gcc-6.3.0-fowuuby       libtool-2.4.6-gcc-4.8-7a523za              mpich-3.2-gcc-6.3.0-dmvd3aw                 perl-5.24.1-gcc-6.3.0-6uzkpt6            tar-1.29-gcc-4.8-wse2ass
+   curl-7.53.1-gcc-4.8-3fz46n6         libtool-2.4.6-gcc-6.3.0-n7zmbzt            ncurses-6.0-gcc-4.8-dcpe7ia                 pkg-config-0.29.2-gcc-4.8-ib33t75        tcl-8.6.6-gcc-4.8-tfxzqbr
+   expat-2.2.0-gcc-4.8-mrv6bd4         libxml2-2.9.4-gcc-4.8-ryzxnsu              ncurses-6.0-gcc-6.3.0-ucbhcdy               pkg-config-0.29.2-gcc-6.3.0-jpgubk3      util-macros-1.19.1-gcc-6.3.0-xorz2x2
+   flex-2.6.3-gcc-4.8-yf345oo          libxml2-2.9.4-gcc-6.3.0-rltzsdh            netlib-lapack-3.6.1-gcc-6.3.0-js33dog       py-appdirs-1.4.0-gcc-6.3.0-jxawmw7       xz-5.2.3-gcc-4.8-mew4log
+   gcc-6.3.0-gcc-4.8-24puqve           lmod-7.4.1-gcc-4.8-je4srhr                 netlib-scalapack-2.0.2-gcc-6.3.0-5aidk4l    py-numpy-1.12.0-gcc-6.3.0-oemmoeu        xz-5.2.3-gcc-6.3.0-3vqeuvb
+   gettext-0.19.8.1-gcc-4.8-yymghlh    lua-5.3.4-gcc-4.8-im75yaz                  netlib-scalapack-2.0.2-gcc-6.3.0-hjsemcn    py-packaging-16.8-gcc-6.3.0-i2n3dtl      zip-3.0-gcc-4.8-rwar22d
+   gmp-6.1.2-gcc-4.8-5ub2wu5           lua-luafilesystem-1_6_3-gcc-4.8-wkey3nl    netlib-scalapack-2.0.2-gcc-6.3.0-jva724b    py-pyparsing-2.1.10-gcc-6.3.0-tbo6gmw    zlib-1.2.11-gcc-4.8-pgxsxv7
+   help2man-1.47.4-gcc-4.8-kcnqmau     lua-luaposix-33.4.0-gcc-4.8-mdod2ry        netlib-scalapack-2.0.2-gcc-6.3.0-rgqfr6d    py-scipy-0.19.0-gcc-6.3.0-kr7nat4        zlib-1.2.11-gcc-6.3.0-7cqp6cj
 
 The names should look familiar, as they resemble the output from ``spack find``.
-For example, you could type the following command to load the ``cmake`` module:
+You *can* use the modules here directly.  For example, you could type either of these commands
+to load the ``cmake`` module:
 
 .. code-block:: console
 
-   $ module load cmake/3.7.2-gcc-6.3.0-fowuuby
+   $ use cmake-3.7.2-gcc-6.3.0-fowuuby
+
+.. code-block:: console
+
+   $ module load cmake-3.7.2-gcc-6.3.0-fowuuby
 
 Neither of these is particularly pretty, easy to remember, or easy to
 type. Luckily, Spack offers many facilities for customizing the module
@@ -88,9 +93,9 @@ the different file formats that can be generated by Spack:
   +-----------------------------+--------------------+-------------------------------+----------------------------------------------+----------------------+
   |                             | **Hook name**      |  **Default root directory**   | **Default template file**                    | **Compatible tools** |
   +=============================+====================+===============================+==============================================+======================+
-  |  **Tcl - Non-Hierarchical** | ``tcl``            |  share/spack/modules          | share/spack/templates/modules/modulefile.tcl | Env. Modules/Lmod    |
+  |  **TCL - Non-Hierarchical** | ``tcl``            |  share/spack/modules          | share/spack/templates/modules/modulefile.tcl | Env. Modules/LMod    |
   +-----------------------------+--------------------+-------------------------------+----------------------------------------------+----------------------+
-  |  **Lua - Hierarchical**     | ``lmod``           |  share/spack/lmod             | share/spack/templates/modules/modulefile.lua | Lmod                 |
+  |  **Lua - Hierarchical**     | ``lmod``           |  share/spack/lmod             | share/spack/templates/modules/modulefile.lua | LMod                 |
   +-----------------------------+--------------------+-------------------------------+----------------------------------------------+----------------------+
 
 
@@ -275,12 +280,10 @@ of the installed software. For instance, in the snippet below:
              set:
                BAR: 'bar'
          # This anonymous spec selects any package that
-         # depends on mpi. The double colon at the
+         # depends on openmpi. The double colon at the
          # end clears the set of rules that matched so far.
-         ^mpi::
+         ^openmpi::
            environment:
-             prepend_path:
-               PATH: '{^mpi.prefix}/bin'
              set:
                BAR: 'baz'
          # Selects any zlib package
@@ -295,9 +298,7 @@ of the installed software. For instance, in the snippet below:
              - FOOBAR
 
 you are instructing Spack to set the environment variable ``BAR=bar`` for every module,
-unless the associated spec satisfies the abstract dependency ``^mpi`` in which case
-``BAR=baz``, and the directory containing the respective MPI executables is prepended
-to the ``PATH`` variable.
+unless the associated spec satisfies ``^openmpi`` in which case ``BAR=baz``.
 In addition in any spec that satisfies ``zlib`` the value ``foo`` will be
 prepended to ``LD_LIBRARY_PATH`` and in any spec that satisfies ``zlib%gcc@4.8``
 the variable ``FOOBAR`` will be unset.
@@ -395,41 +396,39 @@ name and version for all packages that depend on mpi.
 
 When specifying module names by projection for Lmod modules, we
 recommend NOT including names of dependencies (e.g., MPI, compilers)
-that are already in the Lmod hierarchy.
+that are already in the LMod hierarchy.
 
 
 
 .. note::
-   Tcl and Lua modules also allow for explicit conflicts between modulefiles.
+   TCL modules
+     TCL modules also allow for explicit conflicts between modulefiles.
 
-   .. code-block:: yaml
+     .. code-block:: yaml
 
-      modules:
-        default:
-          enable:
-            - tcl
-          tcl:
-            projections:
-              all: '{name}/{version}-{compiler.name}-{compiler.version}'
-            all:
-              conflict:
-                - '{name}'
-                - 'intel/14.0.1'
+        modules:
+          default:
+            enable:
+              - tcl
+            tcl:
+              projections:
+                all: '{name}/{version}-{compiler.name}-{compiler.version}'
+              all:
+                conflict:
+                  - '{name}'
+                  - 'intel/14.0.1'
 
-   will create module files that will conflict with ``intel/14.0.1`` and with the
-   base directory of the same module, effectively preventing the possibility to
-   load two or more versions of the same software at the same time. The tokens
-   that are available for use in this directive are the same understood by the
-   :meth:`~spack.spec.Spec.format` method.
-
-   For Lmod and Environment Modules versions prior 4.2, it is important to
-   express the conflict on both modulefiles conflicting with each other.
+     will create module files that will conflict with ``intel/14.0.1`` and with the
+     base directory of the same module, effectively preventing the possibility to
+     load two or more versions of the same software at the same time. The tokens
+     that are available for use in this directive are the same understood by
+     the :meth:`~spack.spec.Spec.format` method.
 
 
 .. note::
-   Lmod hierarchical module files
+   LMod hierarchical module files
      When ``lmod`` is activated Spack will generate a set of hierarchical lua module
-     files that are understood by Lmod. The hierarchy will always contain the
+     files that are understood by LMod. The hierarchy will always contain the
      two layers ``Core`` / ``Compiler`` but can be further extended to
      any of the virtual dependencies present in Spack. A case that could be useful in
      practice is for instance:
@@ -451,7 +450,7 @@ that are already in the Lmod hierarchy.
 
      that will generate a hierarchy in which the ``lapack`` and ``mpi`` layer can be switched
      independently. This allows a site to build the same libraries or applications against different
-     implementations of ``mpi`` and ``lapack``, and let Lmod switch safely from one to the
+     implementations of ``mpi`` and ``lapack``, and let LMod switch safely from one to the
      other.
 
      All packages built with a compiler in ``core_compilers`` and all
@@ -461,12 +460,12 @@ that are already in the Lmod hierarchy.
 .. warning::
   Consistency of Core packages
    The user is responsible for maintining consistency among core packages, as ``core_specs``
-   bypasses the hierarchy that allows Lmod to safely switch between coherent software stacks.
+   bypasses the hierarchy that allows LMod to safely switch between coherent software stacks.
 
 .. warning::
   Deep hierarchies and ``lmod spider``
    For hierarchies that are deeper than three layers ``lmod spider`` may have some issues.
-   See `this discussion on the Lmod project <https://github.com/TACC/Lmod/issues/114>`_.
+   See `this discussion on the LMod project <https://github.com/TACC/Lmod/issues/114>`_.
 
 """"""""""""""""""""""
 Select default modules
@@ -519,11 +518,11 @@ inspections and customize them per-module-set.
 
   modules:
     prefix_inspections:
-      ./bin:
+      bin:
         - PATH
-      ./man:
+      man:
         - MANPATH
-      ./:
+      '':
         - CMAKE_PREFIX_PATH
 
 Prefix inspections are only applied if the relative path inside the
@@ -535,7 +534,7 @@ installed to ``/spack/prefix/foo``, if ``foo`` installs executables to
 update ``MANPATH``.
 
 The default list of environment variables in this config section
-includes ``PATH``, ``MANPATH``, ``ACLOCAL_PATH``, ``PKG_CONFIG_PATH``
+inludes ``PATH``, ``MANPATH``, ``ACLOCAL_PATH``, ``PKG_CONFIG_PATH``
 and ``CMAKE_PREFIX_PATH``, as well as ``DYLD_FALLBACK_LIBRARY_PATH``
 on macOS. On Linux however, the corresponding ``LD_LIBRARY_PATH``
 variable is *not* set, because it affects the behavior of
@@ -579,7 +578,7 @@ the view.
        view_relative_modules:
          use_view: my_view
        prefix_inspections:
-         ./bin:
+         bin:
            - PATH
      view:
        my_view:
@@ -635,9 +634,8 @@ by its dependency; when the dependency is autoloaded, the executable will be in
 PATH. Similarly for scripting languages such as Python, packages and their dependencies
 have to be loaded together.
 
-Autoloading is enabled by default for Lmod and Environment Modules. The former
-has builtin support for through the ``depends_on`` function. The latter uses
-``module load`` statement to load and track dependencies.
+Autoloading is enabled by default for LMod, as it has great builtin support for through
+the ``depends_on`` function. For Environment Modules it is disabled by default.
 
 Autoloading can also be enabled conditionally:
 
@@ -657,14 +655,12 @@ The allowed values for the ``autoload`` statement are either ``none``,
 ``direct`` or ``all``.
 
 .. note::
-  Tcl prerequisites
+  TCL prerequisites
      In the ``tcl`` section of the configuration file it is possible to use
      the ``prerequisites`` directive that accepts the same values as
      ``autoload``. It will produce module files that have a ``prereq``
-     statement, which autoloads dependencies on Environment Modules when its
-     ``auto_handling`` configuration option is enabled. If Environment Modules
-     is installed with Spack, ``auto_handling`` is enabled by default starting
-     version 4.2. Otherwise it is enabled by default since version 5.0.
+     statement, which can be used to autoload dependencies in some versions
+     of Environment Modules.
 
 ------------------------
 Maintaining Module Files
@@ -785,35 +781,35 @@ cut-and-pasted into a shell script.  For example:
 
     $ spack module tcl loads --dependencies py-numpy git
     # bzip2@1.0.6%gcc@4.9.3=linux-x86_64
-    module load bzip2/1.0.6-gcc-4.9.3-ktnrhkrmbbtlvnagfatrarzjojmkvzsx
+    module load bzip2-1.0.6-gcc-4.9.3-ktnrhkrmbbtlvnagfatrarzjojmkvzsx
     # ncurses@6.0%gcc@4.9.3=linux-x86_64
-    module load ncurses/6.0-gcc-4.9.3-kaazyneh3bjkfnalunchyqtygoe2mncv
+    module load ncurses-6.0-gcc-4.9.3-kaazyneh3bjkfnalunchyqtygoe2mncv
     # zlib@1.2.8%gcc@4.9.3=linux-x86_64
-    module load zlib/1.2.8-gcc-4.9.3-v3ufwaahjnviyvgjcelo36nywx2ufj7z
+    module load zlib-1.2.8-gcc-4.9.3-v3ufwaahjnviyvgjcelo36nywx2ufj7z
     # sqlite@3.8.5%gcc@4.9.3=linux-x86_64
-    module load sqlite/3.8.5-gcc-4.9.3-a3eediswgd5f3rmto7g3szoew5nhehbr
+    module load sqlite-3.8.5-gcc-4.9.3-a3eediswgd5f3rmto7g3szoew5nhehbr
     # readline@6.3%gcc@4.9.3=linux-x86_64
-    module load readline/6.3-gcc-4.9.3-se6r3lsycrwxyhreg4lqirp6xixxejh3
+    module load readline-6.3-gcc-4.9.3-se6r3lsycrwxyhreg4lqirp6xixxejh3
     # python@3.5.1%gcc@4.9.3=linux-x86_64
-    module load python/3.5.1-gcc-4.9.3-5q5rsrtjld4u6jiicuvtnx52m7tfhegi
+    module load python-3.5.1-gcc-4.9.3-5q5rsrtjld4u6jiicuvtnx52m7tfhegi
     # py-setuptools@20.5%gcc@4.9.3=linux-x86_64
-    module load py-setuptools/20.5-gcc-4.9.3-4qr2suj6p6glepnedmwhl4f62x64wxw2
+    module load py-setuptools-20.5-gcc-4.9.3-4qr2suj6p6glepnedmwhl4f62x64wxw2
     # py-nose@1.3.7%gcc@4.9.3=linux-x86_64
-    module load py-nose/1.3.7-gcc-4.9.3-pwhtjw2dvdvfzjwuuztkzr7b4l6zepli
+    module load py-nose-1.3.7-gcc-4.9.3-pwhtjw2dvdvfzjwuuztkzr7b4l6zepli
     # openblas@0.2.17%gcc@4.9.3+shared=linux-x86_64
-    module load openblas/0.2.17-gcc-4.9.3-pw6rmlom7apfsnjtzfttyayzc7nx5e7y
+    module load openblas-0.2.17-gcc-4.9.3-pw6rmlom7apfsnjtzfttyayzc7nx5e7y
     # py-numpy@1.11.0%gcc@4.9.3+blas+lapack=linux-x86_64
-    module load py-numpy/1.11.0-gcc-4.9.3-mulodttw5pcyjufva4htsktwty4qd52r
+    module load py-numpy-1.11.0-gcc-4.9.3-mulodttw5pcyjufva4htsktwty4qd52r
     # curl@7.47.1%gcc@4.9.3=linux-x86_64
-    module load curl/7.47.1-gcc-4.9.3-ohz3fwsepm3b462p5lnaquv7op7naqbi
+    module load curl-7.47.1-gcc-4.9.3-ohz3fwsepm3b462p5lnaquv7op7naqbi
     # autoconf@2.69%gcc@4.9.3=linux-x86_64
-    module load autoconf/2.69-gcc-4.9.3-bkibjqhgqm5e3o423ogfv2y3o6h2uoq4
+    module load autoconf-2.69-gcc-4.9.3-bkibjqhgqm5e3o423ogfv2y3o6h2uoq4
     # cmake@3.5.0%gcc@4.9.3~doc+ncurses+openssl~qt=linux-x86_64
-    module load cmake/3.5.0-gcc-4.9.3-x7xnsklmgwla3ubfgzppamtbqk5rwn7t
+    module load cmake-3.5.0-gcc-4.9.3-x7xnsklmgwla3ubfgzppamtbqk5rwn7t
     # expat@2.1.0%gcc@4.9.3=linux-x86_64
-    module load expat/2.1.0-gcc-4.9.3-6pkz2ucnk2e62imwakejjvbv6egncppd
+    module load expat-2.1.0-gcc-4.9.3-6pkz2ucnk2e62imwakejjvbv6egncppd
     # git@2.8.0-rc2%gcc@4.9.3+curl+expat=linux-x86_64
-    module load git/2.8.0-rc2-gcc-4.9.3-3bib4hqtnv5xjjoq5ugt3inblt4xrgkd
+    module load git-2.8.0-rc2-gcc-4.9.3-3bib4hqtnv5xjjoq5ugt3inblt4xrgkd
 
 The script may be further edited by removing unnecessary modules.
 
@@ -832,12 +828,12 @@ For example, consider the following on one system:
 .. code-block:: console
 
     $ module avail
-    linux-SuSE11-x86_64/antlr/2.7.7-gcc-5.3.0-bdpl46y
+    linux-SuSE11-x86_64/antlr-2.7.7-gcc-5.3.0-bdpl46y
 
     $ spack module tcl loads antlr    # WRONG!
     # antlr@2.7.7%gcc@5.3.0~csharp+cxx~java~python arch=linux-SuSE11-x86_64
-    module load antlr/2.7.7-gcc-5.3.0-bdpl46y
+    module load antlr-2.7.7-gcc-5.3.0-bdpl46y
 
     $ spack module tcl loads --prefix linux-SuSE11-x86_64/ antlr
     # antlr@2.7.7%gcc@5.3.0~csharp+cxx~java~python arch=linux-SuSE11-x86_64
-    module load linux-SuSE11-x86_64/antlr/2.7.7-gcc-5.3.0-bdpl46y
+    module load linux-SuSE11-x86_64/antlr-2.7.7-gcc-5.3.0-bdpl46y

lib/spack/docs/package_list.rst

@@ -0,0 +1,17 @@
+.. Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+.. _package-list:
+
+============
+Package List
+============
+
+This is a list of things you can install using Spack.  It is
+automatically generated based on the packages in this Spack
+version.
+
+.. raw:: html
+   :file: package_list.html

lib/spack/docs/packages_yaml.rst

@@ -1,560 +0,0 @@
-.. Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
-
-   SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-
-.. _packages-config:
-
-================================
-Package Settings (packages.yaml)
-================================
-
-Spack allows you to customize how your software is built through the
-``packages.yaml`` file.  Using it, you can make Spack prefer particular
-implementations of virtual dependencies (e.g., MPI or BLAS/LAPACK),
-or you can make it prefer to build with particular compilers.  You can
-also tell Spack to use *external* software installations already
-present on your system.
-
-At a high level, the ``packages.yaml`` file is structured like this:
-
-.. code-block:: yaml
-
-   packages:
-     package1:
-       # settings for package1
-     package2:
-       # settings for package2
-     # ...
-     all:
-       # settings that apply to all packages.
-
-So you can either set build preferences specifically for *one* package,
-or you can specify that certain settings should apply to *all* packages.
-The types of settings you can customize are described in detail below.
-
-Spack's build defaults are in the default
-``etc/spack/defaults/packages.yaml`` file.  You can override them in
-``~/.spack/packages.yaml`` or ``etc/spack/packages.yaml``. For more
-details on how this works, see :ref:`configuration-scopes`.
-
-.. _sec-external-packages:
-
------------------
-External Packages
------------------
-
-Spack can be configured to use externally-installed
-packages rather than building its own packages. This may be desirable
-if machines ship with system packages, such as a customized MPI
-that should be used instead of Spack building its own MPI.
-
-External packages are configured through the ``packages.yaml`` file.
-Here's an example of an external configuration:
-
-.. code-block:: yaml
-
-   packages:
-     openmpi:
-       externals:
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.4.3
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
-         prefix: /opt/openmpi-1.4.3-debug
-       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.6.5-intel
-
-This example lists three installations of OpenMPI, one built with GCC,
-one built with GCC and debug information, and another built with Intel.
-If Spack is asked to build a package that uses one of these MPIs as a
-dependency, it will use the pre-installed OpenMPI in
-the given directory. Note that the specified path is the top-level
-install prefix, not the ``bin`` subdirectory.
-
-``packages.yaml`` can also be used to specify modules to load instead
-of the installation prefixes.  The following example says that module
-``CMake/3.7.2`` provides cmake version 3.7.2.
-
-.. code-block:: yaml
-
-   cmake:
-     externals:
-     - spec: cmake@3.7.2
-       modules:
-       - CMake/3.7.2
-
-Each ``packages.yaml`` begins with a ``packages:`` attribute, followed
-by a list of package names.  To specify externals, add an ``externals:``
-attribute under the package name, which lists externals.
-Each external should specify a ``spec:`` string that should be as
-well-defined as reasonably possible.  If a
-package lacks a spec component, such as missing a compiler or
-package version, then Spack will guess the missing component based
-on its most-favored packages, and it may guess incorrectly.
-
-Each package version and compiler listed in an external should
-have entries in Spack's packages and compiler configuration, even
-though the package and compiler may not ever be built.
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Prevent packages from being built from sources
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Adding an external spec in ``packages.yaml`` allows Spack to use an external location,
-but it does not prevent Spack from building packages from sources. In the above example,
-Spack might choose for many valid reasons to start building and linking with the
-latest version of OpenMPI rather than continue using the pre-installed OpenMPI versions.
-
-To prevent this, the ``packages.yaml`` configuration also allows packages
-to be flagged as non-buildable.  The previous example could be modified to
-be:
-
-.. code-block:: yaml
-
-   packages:
-     openmpi:
-       externals:
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.4.3
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
-         prefix: /opt/openmpi-1.4.3-debug
-       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.6.5-intel
-       buildable: False
-
-The addition of the ``buildable`` flag tells Spack that it should never build
-its own version of OpenMPI from sources, and it will instead always rely on a pre-built
-OpenMPI.
-
-.. note::
-
-   If ``concretizer:reuse`` is on (see :ref:`concretizer-options` for more information on that flag)
-   pre-built specs include specs already available from a local store, an upstream store, a registered
-   buildcache or specs marked as externals in ``packages.yaml``. If ``concretizer:reuse`` is off, only
-   external specs in ``packages.yaml`` are included in the list of pre-built specs.
-
-If an external module is specified as not buildable, then Spack will load the
-external module into the build environment which can be used for linking.
-
-The ``buildable`` does not need to be paired with external packages.
-It could also be used alone to forbid packages that may be
-buggy or otherwise undesirable.
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Non-buildable virtual packages
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Virtual packages in Spack can also be specified as not buildable, and
-external implementations can be provided. In the example above,
-OpenMPI is configured as not buildable, but Spack will often prefer
-other MPI implementations over the externally available OpenMPI. Spack
-can be configured with every MPI provider not buildable individually,
-but more conveniently:
-
-.. code-block:: yaml
-
-   packages:
-     mpi:
-       buildable: False
-     openmpi:
-       externals:
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.4.3
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
-         prefix: /opt/openmpi-1.4.3-debug
-       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.6.5-intel
-
-Spack can then use any of the listed external implementations of MPI
-to satisfy a dependency, and will choose depending on the compiler and
-architecture.
-
-In cases where the concretizer is configured to reuse specs, and other ``mpi`` providers
-(available via stores or buildcaches) are not wanted, Spack can be configured to require
-specs matching only the available externals:
-
-.. code-block:: yaml
-
-   packages:
-     mpi:
-       buildable: False
-       require:
-       - one_of: [
-           "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64",
-           "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug",
-           "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
-         ]
-     openmpi:
-       externals:
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.4.3
-       - spec: "openmpi@1.4.3%gcc@4.4.7 arch=linux-debian7-x86_64+debug"
-         prefix: /opt/openmpi-1.4.3-debug
-       - spec: "openmpi@1.6.5%intel@10.1 arch=linux-debian7-x86_64"
-         prefix: /opt/openmpi-1.6.5-intel
-
-This configuration prevents any spec using MPI and originating from stores or buildcaches to be reused,
-unless it matches the requirements under ``packages:mpi:require``. For more information on requirements see
-:ref:`package-requirements`.
-
-.. _cmd-spack-external-find:
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Automatically Find External Packages
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-You can run the :ref:`spack external find <spack-external-find>` command
-to search for system-provided packages and add them to ``packages.yaml``.
-After running this command your ``packages.yaml`` may include new entries:
-
-.. code-block:: yaml
-
-   packages:
-     cmake:
-       externals:
-       - spec: cmake@3.17.2
-         prefix: /usr
-
-Generally this is useful for detecting a small set of commonly-used packages;
-for now this is generally limited to finding build-only dependencies.
-Specific limitations include:
-
-* Packages are not discoverable by default: For a package to be
-  discoverable with ``spack external find``, it needs to add special
-  logic. See :ref:`here <make-package-findable>` for more details.
-* The logic does not search through module files, it can only detect
-  packages with executables defined in ``PATH``; you can help Spack locate
-  externals which use module files by loading any associated modules for
-  packages that you want Spack to know about before running
-  ``spack external find``.
-* Spack does not overwrite existing entries in the package configuration:
-  If there is an external defined for a spec at any configuration scope,
-  then Spack will not add a new external entry (``spack config blame packages``
-  can help locate all external entries).
-
-.. _package-requirements:
-
---------------------
-Package Requirements
---------------------
-
-Spack can be configured to always use certain compilers, package
-versions, and variants during concretization through package
-requirements.
-
-Package requirements are useful when you find yourself repeatedly
-specifying the same constraints on the command line, and wish that
-Spack respects these constraints whether you mention them explicitly
-or not. Another use case is specifying constraints that should apply
-to all root specs in an environment, without having to repeat the
-constraint everywhere.
-
-Apart from that, requirements config is more flexible than constraints
-on the command line, because it can specify constraints on packages
-*when they occur* as a dependency. In contrast, on the command line it
-is not possible to specify constraints on dependencies while also keeping
-those dependencies optional.
-
-.. seealso::
-
-   FAQ: :ref:`Why does Spack pick particular versions and variants? <faq-concretizer-precedence>`
-
-
-^^^^^^^^^^^^^^^^^^^
-Requirements syntax
-^^^^^^^^^^^^^^^^^^^
-
-The package requirements configuration is specified in ``packages.yaml``,
-keyed by package name and expressed using the Spec syntax. In the simplest
-case you can specify attributes that you always want the package to have
-by providing a single spec string to ``require``:
-
-.. code-block:: yaml
-
-   packages:
-     libfabric:
-       require: "@1.13.2"
-
-In the above example, ``libfabric`` will always build with version 1.13.2. If you
-need to compose multiple configuration scopes ``require`` accepts a list of
-strings:
-
-.. code-block:: yaml
-
-   packages:
-     libfabric:
-       require:
-       - "@1.13.2"
-       - "%gcc"
-
-In this case ``libfabric`` will always build with version 1.13.2 **and** using GCC
-as a compiler.
-
-For more complex use cases, require accepts also a list of objects. These objects
-must have either a ``any_of`` or a ``one_of`` field, containing a list of spec strings,
-and they can optionally have a ``when`` and a ``message`` attribute:
-
-.. code-block:: yaml
-
-   packages:
-     openmpi:
-       require:
-       - any_of: ["@4.1.5", "%gcc"]
-         message: "in this example only 4.1.5 can build with other compilers"
-
-``any_of`` is a list of specs. One of those specs must be satisfied
-and it is also allowed for the concretized spec to match more than one.
-In the above example, that means you could build ``openmpi@4.1.5%gcc``,
-``openmpi@4.1.5%clang`` or ``openmpi@3.9%gcc``, but
-not ``openmpi@3.9%clang``.
-
-If a custom message is provided, and the requirement is not satisfiable,
-Spack will print the custom error message:
-
-.. code-block:: console
-
-   $ spack spec openmpi@3.9%clang
-   ==> Error: in this example only 4.1.5 can build with other compilers
-
-We could express a similar requirement using the ``when`` attribute:
-
-.. code-block:: yaml
-
-   packages:
-     openmpi:
-       require:
-       - any_of: ["%gcc"]
-         when: "@:4.1.4"
-         message: "in this example only 4.1.5 can build with other compilers"
-
-In the example above, if the version turns out to be 4.1.4 or less, we require the compiler to be GCC.
-For readability, Spack also allows a ``spec`` key accepting a string when there is only a single
-constraint:
-
-.. code-block:: yaml
-
-   packages:
-     openmpi:
-       require:
-       - spec: "%gcc"
-         when: "@:4.1.4"
-         message: "in this example only 4.1.5 can build with other compilers"
-
-This code snippet and the one before it are semantically equivalent.
-
-Finally, instead of ``any_of`` you can use ``one_of`` which also takes a list of specs. The final
-concretized spec must match one and only one of them:
-
-.. code-block:: yaml
-
-   packages:
-     mpich:
-       require:
-       - one_of: ["+cuda", "+rocm"]
-
-In the example above, that means you could build ``mpich+cuda`` or ``mpich+rocm`` but not ``mpich+cuda+rocm``.
-
-.. note::
-
-   For ``any_of`` and ``one_of``, the order of specs indicates a
-   preference: items that appear earlier in the list are preferred
-   (note that these preferences can be ignored in favor of others).
-
-.. note::
-
-   When using a conditional requirement, Spack is allowed to actively avoid the triggering
-   condition (the ``when=...`` spec) if that leads to a concrete spec with better scores in
-   the optimization criteria. To check the current optimization criteria and their
-   priorities you can run ``spack solve zlib``.
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Setting default requirements
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-You can also set default requirements for all packages under ``all``
-like this:
-
-.. code-block:: yaml
-
-   packages:
-     all:
-       require: '%clang'
-
-which means every spec will be required to use ``clang`` as a compiler.
-
-Note that in this case ``all`` represents a *default set of requirements* -
-if there are specific package requirements, then the default requirements
-under ``all`` are disregarded. For example, with a configuration like this:
-
-.. code-block:: yaml
-
-   packages:
-     all:
-       require: '%clang'
-     cmake:
-       require: '%gcc'
-
-Spack requires ``cmake`` to use ``gcc`` and all other nodes (including ``cmake``
-dependencies) to use ``clang``.
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Setting requirements on virtual specs
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-A requirement on a virtual spec applies whenever that virtual is present in the DAG.
-This can be useful for fixing which virtual provider you want to use:
-
-.. code-block:: yaml
-
-   packages:
-     mpi:
-       require: 'mvapich2 %gcc'
-
-With the configuration above the only allowed ``mpi`` provider is ``mvapich2 %gcc``.
-
-Requirements on the virtual spec and on the specific provider are both applied, if
-present. For instance with a configuration like:
-
-.. code-block:: yaml
-
-   packages:
-     mpi:
-       require: 'mvapich2 %gcc'
-     mvapich2:
-       require: '~cuda'
-
-you will use ``mvapich2~cuda %gcc`` as an ``mpi`` provider.
-
-.. _package-preferences:
-
--------------------
-Package Preferences
--------------------
-
-In some cases package requirements can be too strong, and package
-preferences are the better option. Package preferences do not impose
-constraints on packages for particular versions or variants values,
-they rather only set defaults. The concretizer is free to change
-them if it must, due to other constraints, and also prefers reusing
-installed packages over building new ones that are a better match for
-preferences.
-
-.. seealso::
-
-   FAQ: :ref:`Why does Spack pick particular versions and variants? <faq-concretizer-precedence>`
-
-
-Most package preferences (``compilers``, ``target`` and ``providers``)
-can only be set globally under the ``all`` section of ``packages.yaml``:
-
-.. code-block:: yaml
-
-   packages:
-     all:
-       compiler: [gcc@12.2.0, clang@12:, oneapi@2023:]
-       target: [x86_64_v3]
-       providers:
-         mpi: [mvapich2, mpich, openmpi]
-
-These preferences override Spack's default and effectively reorder priorities
-when looking for the best compiler, target or virtual package provider. Each
-preference takes an ordered list of spec constraints, with earlier entries in
-the list being preferred over later entries.
-
-In the example above all packages prefer to be compiled with ``gcc@12.2.0``,
-to target the ``x86_64_v3`` microarchitecture and to use ``mvapich2`` if they
-depend on ``mpi``.
-
-The ``variants`` and ``version`` preferences can be set under
-package specific sections of the ``packages.yaml`` file:
-
-.. code-block:: yaml
-
-   packages:
-     opencv:
-       variants: +debug
-     gperftools:
-       version: [2.2, 2.4, 2.3]
-
-In this case, the preference for ``opencv`` is to build with debug options, while
-``gperftools`` prefers version 2.2 over 2.4.
-
-Any preference can be overwritten on the command line if explicitly requested.
-
-Preferences cannot overcome explicit constraints, as they only set a preferred
-ordering among homogeneous attribute values. Going back to the example, if
-``gperftools@2.3:`` was requested, then Spack will install version 2.4
-since the most preferred version 2.2 is prohibited by the version constraint.
-
-.. _package_permissions:
-
--------------------
-Package Permissions
--------------------
-
-Spack can be configured to assign permissions to the files installed
-by a package.
-
-In the ``packages.yaml`` file under ``permissions``, the attributes
-``read``, ``write``, and ``group`` control the package
-permissions. These attributes can be set per-package, or for all
-packages under ``all``. If permissions are set under ``all`` and for a
-specific package, the package-specific settings take precedence.
-
-The ``read`` and ``write`` attributes take one of ``user``, ``group``,
-and ``world``.
-
-.. code-block:: yaml
-
-  packages:
-    all:
-      permissions:
-        write: group
-        group: spack
-    my_app:
-      permissions:
-        read: group
-        group: my_team
-
-The permissions settings describe the broadest level of access to
-installations of the specified packages. The execute permissions of
-the file are set to the same level as read permissions for those files
-that are executable. The default setting for ``read`` is ``world``,
-and for ``write`` is ``user``. In the example above, installations of
-``my_app`` will be installed with user and group permissions but no
-world permissions, and owned by the group ``my_team``. All other
-packages will be installed with user and group write privileges, and
-world read privileges. Those packages will be owned by the group
-``spack``.
-
-The ``group`` attribute assigns a Unix-style group to a package. All
-files installed by the package will be owned by the assigned group,
-and the sticky group bit will be set on the install prefix and all
-directories inside the install prefix. This will ensure that even
-manually placed files within the install prefix are owned by the
-assigned group. If no group is assigned, Spack will allow the OS
-default behavior to go as expected.
-
-----------------------------
-Assigning Package Attributes
-----------------------------
-
-You can assign class-level attributes in the configuration:
-
-.. code-block:: yaml
-
-  packages:
-    mpileaks:
-      package_attributes:
-        # Override existing attributes
-        url: http://www.somewhereelse.com/mpileaks-1.0.tar.gz
-        # ... or add new ones
-        x: 1
-
-Attributes set this way will be accessible to any method executed
-in the package.py file (e.g. the ``install()`` method). Values for these
-attributes may be any value parseable by yaml.
-
-These can only be applied to specific packages, not "all" or
-virtual packages.

lib/spack/docs/pipelines.rst

@@ -9,32 +9,27 @@
 CI Pipelines
 ============
 
-Spack provides commands that support generating and running automated build pipelines in CI instances.  At the highest
-level it works like this: provide a spack environment describing the set of packages you care about, and include a
-description of how those packages should be mapped to Gitlab runners.  Spack can then generate a ``.gitlab-ci.yml``
-file containing job descriptions for all your packages that can be run by a properly configured CI instance.  When
-run, the generated pipeline will build and deploy binaries, and it can optionally report to a CDash instance
+Spack provides commands that support generating and running automated build
+pipelines designed for Gitlab CI.  At the highest level it works like this:
+provide a spack environment describing the set of packages you care about,
+and include within that environment file a description of how those packages
+should be mapped to Gitlab runners.  Spack can then generate a ``.gitlab-ci.yml``
+file containing job descriptions for all your packages that can be run by a
+properly configured Gitlab CI instance.  When run, the generated pipeline will
+build and deploy binaries, and it can optionally report to a CDash instance
 regarding the health of the builds as they evolve over time.
 
 ------------------------------
 Getting started with pipelines
 ------------------------------
 
-To get started with automated build pipelines a Gitlab instance with version ``>= 12.9``
-(more about Gitlab CI `here <https://about.gitlab.com/product/continuous-integration/>`_)
-with at least one `runner <https://docs.gitlab.com/runner/>`_ configured is required. This
-can be done quickly by setting up a local Gitlab instance.
+It is fairly straightforward to get started with automated build pipelines.  At
+a minimum, you'll need to set up a Gitlab instance (more about Gitlab CI
+`here <https://about.gitlab.com/product/continuous-integration/>`_) and configure
+at least one `runner <https://docs.gitlab.com/runner/>`_.  Then the basic steps
+for setting up a build pipeline are as follows:
 
-It is possible to set up pipelines on gitlab.com, but the builds there are limited to
-60 minutes and generic hardware.  It is possible to
-`hook up <https://about.gitlab.com/blog/2018/04/24/getting-started-gitlab-ci-gcp>`_
-Gitlab to Google Kubernetes Engine (`GKE <https://cloud.google.com/kubernetes-engine/>`_)
-or Amazon Elastic Kubernetes Service (`EKS <https://aws.amazon.com/eks>`_), though those
-topics are outside the scope of this document.
-
-After setting up a Gitlab instance for running CI, the basic steps for setting up a build pipeline are as follows:
-
-#. Create a repository in the Gitlab instance with CI and a runner enabled.
+#. Create a repository on your gitlab instance
 #. Add a ``spack.yaml`` at the root containing your pipeline environment
 #. Add a ``.gitlab-ci.yml`` at the root containing two jobs (one to generate
    the pipeline dynamically, and one to run the generated jobs).
@@ -45,6 +40,13 @@ See the :ref:`functional_example` section for a minimal working example.  See al
 the :ref:`custom_Workflow` section for a link to an example of a custom workflow
 based on spack pipelines.
 
+While it is possible to set up pipelines on gitlab.com, as illustrated above, the
+builds there are limited to 60 minutes and generic hardware.  It is also possible to
+`hook up <https://about.gitlab.com/blog/2018/04/24/getting-started-gitlab-ci-gcp>`_
+Gitlab to Google Kubernetes Engine (`GKE <https://cloud.google.com/kubernetes-engine/>`_)
+or Amazon Elastic Kubernetes Service (`EKS <https://aws.amazon.com/eks>`_), though those
+topics are outside the scope of this document.
+
 Spack's pipelines are now making use of the
 `trigger <https://docs.gitlab.com/ee/ci/yaml/#trigger>`_ syntax to run
 dynamically generated
@@ -130,35 +132,29 @@ And here's the spack environment built by the pipeline represented as a
 
      mirrors: { "mirror": "s3://spack-public/mirror" }
 
-     ci:
+     gitlab-ci:
+       before_script:
+         - git clone ${SPACK_REPO}
+         - pushd spack && git checkout ${SPACK_CHECKOUT_VERSION} && popd
+         - . "./spack/share/spack/setup-env.sh"
+       script:
+         - pushd ${SPACK_CONCRETE_ENV_DIR} && spack env activate --without-view . && popd
+         - spack -d ci rebuild
+       mappings:
+         - match: ["os=ubuntu18.04"]
+           runner-attributes:
+             image:
+               name: ghcr.io/scottwittenburg/ecpe4s-ubuntu18.04-runner-x86_64:2020-09-01
+               entrypoint: [""]
+             tags:
+               - docker
        enable-artifacts-buildcache: True
        rebuild-index: False
-       pipeline-gen:
-       - any-job:
-           before_script:
-             - git clone ${SPACK_REPO}
-             - pushd spack && git checkout ${SPACK_CHECKOUT_VERSION} && popd
-             - . "./spack/share/spack/setup-env.sh"
-       - build-job:
-           tags: [docker]
-           image:
-             name: ghcr.io/scottwittenburg/ecpe4s-ubuntu18.04-runner-x86_64:2020-09-01
-             entrypoint: [""]
-
 
 The elements of this file important to spack ci pipelines are described in more
 detail below, but there are a couple of things to note about the above working
 example:
 
-.. note::
-   There is no ``script`` attribute specified for here. The reason for this is
-   Spack CI will automatically generate reasonable default scripts. More
-   detail on what is in these scripts can be found below.
-
-   Also notice the ``before_script`` section. It is required when using any of the
-   default scripts to source the ``setup-env.sh`` script in order to inform
-   the default scripts where to find the ``spack`` executable.
-
 Normally ``enable-artifacts-buildcache`` is not recommended in production as it
 results in large binary artifacts getting transferred back and forth between
 gitlab and the runners.  But in this example on gitlab.com where there is no
@@ -178,7 +174,7 @@ during subsequent pipeline runs.
    With the addition of reproducible builds (#22887) a previously working
    pipeline will require some changes:
 
-   * In the build-jobs, the environment location changed.
+   * In the build jobs (``runner-attributes``), the environment location changed.
      This will typically show as a ``KeyError`` in the failing job. Be sure to
      point to ``${SPACK_CONCRETE_ENV_DIR}``.
 
@@ -200,9 +196,9 @@ ci pipelines.  These commands are covered in more detail in this section.
 
 .. _cmd-spack-ci:
 
-^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^
 ``spack ci``
-^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^
 
 Super-command for functionality related to generating pipelines and executing
 pipeline jobs.
@@ -213,16 +209,6 @@ pipeline jobs.
 ``spack ci generate``
 ^^^^^^^^^^^^^^^^^^^^^
 
-Throughout this documentation, references to the "mirror" mean the target
-mirror which is checked for the presence of up-to-date specs, and where
-any scheduled jobs should push built binary packages.  In the past, this
-defaulted to the mirror at index 0 in the mirror configs, and could be
-overridden using the ``--buildcache-destination`` argument. Starting with
-Spack 0.23, ``spack ci generate`` will require you to identify this mirror
-by the name "buildcache-destination".  While you can configure any number
-of mirrors as sources for your pipelines, you will need to identify the
-destination mirror by name.
-
 Concretizes the specs in the active environment, stages them (as described in
 :ref:`staging_algorithm`), and writes the resulting ``.gitlab-ci.yml`` to disk.
 During concretization of the environment, ``spack ci generate`` also writes a
@@ -241,7 +227,7 @@ Using ``--prune-dag`` or ``--no-prune-dag`` configures whether or not jobs are
 generated for specs that are already up to date on the mirror.   If enabling
 DAG pruning using ``--prune-dag``, more information may be required in your
 ``spack.yaml`` file, see the :ref:`noop_jobs` section below regarding
-``noop-job``.
+``service-job-attributes``.
 
 The optional ``--check-index-only`` argument can be used to speed up pipeline
 generation by telling spack to consider only remote buildcache indices when
@@ -277,11 +263,11 @@ generated by jobs in the pipeline.
 
 .. _cmd-spack-ci-rebuild:
 
-^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^
 ``spack ci rebuild``
-^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^
 
-The purpose of ``spack ci rebuild`` is to take an assigned
+The purpose of ``spack ci rebuild`` is straightforward: take its assigned
 spec and ensure a binary of a successful build exists on the target mirror.
 If the binary does not already exist, it is built from source and pushed
 to the mirror. The associated stand-alone tests are optionally run against
@@ -294,7 +280,7 @@ directory. The script is run in a job to install the spec from source. The
 resulting binary package is pushed to the mirror. If ``cdash`` is configured
 for the environment, then the build results will be uploaded to the site.
 
-Environment variables and values in the ``ci::pipeline-gen`` section of the
+Environment variables and values in the ``gitlab-ci`` section of the
 ``spack.yaml`` environment file provide inputs to this process. The
 two main sources of environment variables are variables written into
 ``.gitlab-ci.yml`` by ``spack ci generate`` and the GitLab CI runtime.
@@ -312,23 +298,21 @@ A snippet from an example ``spack.yaml`` file illustrating use of this
 option *and* specification of a package with broken tests is given below.
 The inclusion of a spec for building ``gptune`` is not shown here. Note
 that ``--tests`` is passed to ``spack ci rebuild`` as part of the
-``build-job`` script.
+``gitlab-ci`` script.
 
 .. code-block:: yaml
 
-  ci:
-    pipeline-gen:
-    - build-job
-        script:
-          - . "./share/spack/setup-env.sh"
-          - spack --version
-          - cd ${SPACK_CONCRETE_ENV_DIR}
-          - spack env activate --without-view .
-          - spack config add "config:install_tree:projections:${SPACK_JOB_SPEC_PKG_NAME}:'morepadding/{architecture}/{compiler.name}-{compiler.version}/{name}-{version}-{hash}'"
-           - mkdir -p ${SPACK_ARTIFACTS_ROOT}/user_data
-           - if [[ -r /mnt/key/intermediate_ci_signing_key.gpg ]]; then spack gpg trust /mnt/key/intermediate_ci_signing_key.gpg; fi
-           - if [[ -r /mnt/key/spack_public_key.gpg ]]; then spack gpg trust /mnt/key/spack_public_key.gpg; fi
-           - spack -d ci rebuild --tests > >(tee ${SPACK_ARTIFACTS_ROOT}/user_data/pipeline_out.txt) 2> >(tee ${SPACK_ARTIFACTS_ROOT}/user_data/pipeline_err.txt >&2)
+  gitlab-ci:
+    script:
+      - . "./share/spack/setup-env.sh"
+      - spack --version
+      - cd ${SPACK_CONCRETE_ENV_DIR}
+      - spack env activate --without-view .
+      - spack config add "config:install_tree:projections:${SPACK_JOB_SPEC_PKG_NAME}:'morepadding/{architecture}/{compiler.name}-{compiler.version}/{name}-{version}-{hash}'"
+       - mkdir -p ${SPACK_ARTIFACTS_ROOT}/user_data
+       - if [[ -r /mnt/key/intermediate_ci_signing_key.gpg ]]; then spack gpg trust /mnt/key/intermediate_ci_signing_key.gpg; fi
+       - if [[ -r /mnt/key/spack_public_key.gpg ]]; then spack gpg trust /mnt/key/spack_public_key.gpg; fi
+       - spack -d ci rebuild --tests > >(tee ${SPACK_ARTIFACTS_ROOT}/user_data/pipeline_out.txt) 2> >(tee ${SPACK_ARTIFACTS_ROOT}/user_data/pipeline_err.txt >&2)
 
      broken-tests-packages:
        - gptune
@@ -370,31 +354,113 @@ arguments you can pass to ``spack ci reproduce-build`` in order to reproduce
 a particular build locally.
 
 ------------------------------------
-Job Types
+A pipeline-enabled spack environment
 ------------------------------------
 
-^^^^^^^^^^^^^^^
-Rebuild (build)
-^^^^^^^^^^^^^^^
+Here's an example of a spack environment file that has been enhanced with
+sections describing a build pipeline:
 
-Rebuild jobs, denoted as ``build-job``'s in the ``pipeline-gen`` list, are jobs
-associated with concrete specs that have been marked for rebuild. By default a simple
-script for doing rebuild is generated, but may be modified as needed.
+.. code-block:: yaml
 
-The default script does three main steps, change directories to the pipelines concrete
-environment, activate the concrete environment, and run the ``spack ci rebuild`` command:
+   spack:
+     definitions:
+     - pkgs:
+       - readline@7.0
+     - compilers:
+       - '%gcc@5.5.0'
+     - oses:
+       - os=ubuntu18.04
+       - os=centos7
+     specs:
+     - matrix:
+       - [$pkgs]
+       - [$compilers]
+       - [$oses]
+     mirrors:
+       cloud_gitlab: https://mirror.spack.io
+     gitlab-ci:
+       mappings:
+         - match:
+             - os=ubuntu18.04
+           runner-attributes:
+             tags:
+               - spack-kube
+             image: spack/ubuntu-bionic
+         - match:
+             - os=centos7
+           runner-attributes:
+             tags:
+               - spack-kube
+             image: spack/centos7
+     cdash:
+       build-group: Release Testing
+       url: https://cdash.spack.io
+       project: Spack
+       site: Spack AWS Gitlab Instance
 
-.. code-block:: bash
+Hopefully, the ``definitions``, ``specs``, ``mirrors``, etc. sections are already
+familiar, as they are part of spack :ref:`environments`.  So let's take a more
+in-depth look some of the pipeline-related sections in that environment file
+that might not be as familiar.
 
-  cd ${concrete_environment_dir}
-  spack env activate --without-view .
-  spack ci rebuild
+The ``gitlab-ci`` section is used to configure how the pipeline workload should be
+generated, mainly how the jobs for building specs should be assigned to the
+configured runners on your instance.  Each entry within the list of ``mappings``
+corresponds to a known gitlab runner, where the ``match`` section is used
+in assigning a release spec to one of the runners, and the ``runner-attributes``
+section is used to configure the spec/job for that particular runner.
+
+Both the top-level ``gitlab-ci`` section as well as each ``runner-attributes``
+section can also contain the following keys: ``image``, ``tags``, ``variables``,
+``before_script``, ``script``, and ``after_script``.  If any of these keys are
+provided at the ``gitlab-ci`` level, they will be used as the defaults for any
+``runner-attributes``, unless they are overridden in those sections.  Specifying
+any of these keys at the ``runner-attributes`` level generally overrides the
+keys specified at the higher level, with a couple exceptions.  Any ``variables``
+specified at both levels result in those dictionaries getting merged in the
+resulting generated job, and any duplicate variable names get assigned the value
+provided in the specific ``runner-attributes``.  If ``tags`` are specified both
+at the ``gitlab-ci`` level as well as the ``runner-attributes`` level, then the
+lists of tags are combined, and any duplicates are removed.
+
+See the section below on using a custom spack for an example of how these keys
+could be used.
+
+There are other pipeline options you can configure within the ``gitlab-ci`` section
+as well.
+
+The ``bootstrap`` section allows you to specify lists of specs from
+your ``definitions`` that should be staged ahead of the environment's ``specs`` (this
+section is described in more detail below).  The ``enable-artifacts-buildcache`` key
+takes a boolean and determines whether the pipeline uses artifacts to store and
+pass along the buildcaches from one stage to the next (the default if you don't
+provide this option is ``False``).
+
+The optional ``broken-specs-url`` key tells Spack to check against a list of
+specs that are known to be currently broken in ``develop``. If any such specs
+are found, the ``spack ci generate`` command will fail with an error message
+informing the user what broken specs were encountered. This allows the pipeline
+to fail early and avoid wasting compute resources attempting to build packages
+that will not succeed.
+
+The optional ``cdash`` section provides information that will be used by the
+``spack ci generate`` command (invoked by ``spack ci start``) for reporting
+to CDash.  All the jobs generated from this environment will belong to a
+"build group" within CDash that can be tracked over time.  As the release
+progresses, this build group may have jobs added or removed. The url, project,
+and site are used to specify the CDash instance to which build results should
+be reported.
+
+Take a look at the
+`schema <https://github.com/spack/spack/blob/develop/lib/spack/spack/schema/gitlab_ci.py>`_
+for the gitlab-ci section of the spack environment file, to see precisely what
+syntax is allowed there.
 
 .. _rebuild_index:
 
-^^^^^^^^^^^^^^^^^^^^^^
-Update Index (reindex)
-^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Note about rebuilding buildcache index
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 By default, while a pipeline job may rebuild a package, create a buildcache
 entry, and push it to the mirror, it does not automatically re-generate the
@@ -409,44 +475,21 @@ not correctly reflect the mirror's contents at the end of a pipeline.
 To make sure the buildcache index is up to date at the end of your pipeline,
 spack generates a job to update the buildcache index of the target mirror
 at the end of each pipeline by default.  You can disable this behavior by
-adding ``rebuild-index: False`` inside the ``ci`` section of your
-spack environment.
-
-Reindex jobs do not allow modifying the ``script`` attribute since it is automatically
-generated using the target mirror listed in the ``mirrors::mirror`` configuration.
-
-^^^^^^^^^^^^^^^^^
-Signing (signing)
-^^^^^^^^^^^^^^^^^
-
-This job is run after all of the rebuild jobs are completed and is intended to be used
-to sign the package binaries built by a protected CI run. Signing jobs are generated
-only if a signing job ``script`` is specified and the spack CI job type is protected.
-Note, if an ``any-job`` section contains a script, this will not implicitly create a
-``signing`` job, a signing job may only exist if it is explicitly specified in the
-configuration with a ``script`` attribute. Specifying a signing job without a script
-does not create a signing job and the job configuration attributes will be ignored.
-Signing jobs are always assigned the runner tags ``aws``, ``protected``, and ``notary``.
-
-^^^^^^^^^^^^^^^^^
-Cleanup (cleanup)
-^^^^^^^^^^^^^^^^^
-
-When using ``temporary-storage-url-prefix`` the cleanup job will destroy the mirror
-created for the associated Gitlab pipeline. Cleanup jobs do not allow modifying the
-script, but do expect that the spack command is in the path and require a
-``before_script`` to be specified that sources the ``setup-env.sh`` script.
+adding ``rebuild-index: False`` inside the ``gitlab-ci`` section of your
+spack environment.  Spack will assign the job any runner attributes found
+on the ``service-job-attributes``, if you have provided that in your
+``spack.yaml``.
 
 .. _noop_jobs:
 
-^^^^^^^^^^^^
-No Op (noop)
-^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^
+Note about "no-op" jobs
+^^^^^^^^^^^^^^^^^^^^^^^
 
 If no specs in an environment need to be rebuilt during a given pipeline run
 (meaning all are already up to date on the mirror), a single successful job
 (a NO-OP) is still generated to avoid an empty pipeline (which GitLab
-considers to be an error).  The ``noop-job*`` sections
+considers to be an error).  An optional ``service-job-attributes`` section
 can be added to your ``spack.yaml`` where you can provide ``tags`` and
 ``image`` or ``variables`` for the generated NO-OP job.  This section also
 supports providing ``before_script``, ``script``, and ``after_script``, in
@@ -456,100 +499,51 @@ Following is an example of this section added to a ``spack.yaml``:
 
 .. code-block:: yaml
 
-  spack:
-     ci:
-       pipeline-gen:
-       - noop-job:
-           tags: ['custom', 'tag']
-           image:
-             name: 'some.image.registry/custom-image:latest'
-             entrypoint: ['/bin/bash']
-           script::
-             - echo "Custom message in a custom script"
+   spack:
+     specs:
+       - openmpi
+     mirrors:
+       cloud_gitlab: https://mirror.spack.io
+     gitlab-ci:
+       mappings:
+         - match:
+             - os=centos8
+           runner-attributes:
+             tags:
+               - custom
+               - tag
+             image: spack/centos7
+       service-job-attributes:
+         tags: ['custom', 'tag']
+         image:
+           name: 'some.image.registry/custom-image:latest'
+           entrypoint: ['/bin/bash']
+         script:
+           - echo "Custom message in a custom script"
 
 The example above illustrates how you can provide the attributes used to run
 the NO-OP job in the case of an empty pipeline.  The only field for the NO-OP
 job that might be generated for you is ``script``, but that will only happen
-if you do not provide one yourself. Notice in this example the ``script``
-uses the ``::`` notation to prescribe override behavior. Without this, the
-``echo`` command would have been prepended to the automatically generated script
-rather than replacing it.
+if you do not provide one yourself.
 
-------------------------------------
-ci.yaml
-------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Assignment of specs to runners
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Here's an example of a spack configuration file describing a build pipeline:
+The ``mappings`` section corresponds to a list of runners, and during assignment
+of specs to runners, the list is traversed in order looking for matches, the
+first runner that matches a release spec is assigned to build that spec.  The
+``match`` section within each runner mapping section is a list of specs, and
+if any of those specs match the release spec (the ``spec.satisfies()`` method
+is used), then that runner is considered a match.
 
-.. code-block:: yaml
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Configuration of specs/jobs for a runner
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-  ci:
-    target: gitlab
-
-    rebuild_index: True
-
-    broken-specs-url: https://broken.specs.url
-
-    broken-tests-packages:
-    - gptune
-
-    pipeline-gen:
-    - submapping:
-      - match:
-          - os=ubuntu18.04
-        build-job:
-          tags:
-            - spack-kube
-          image: spack/ubuntu-bionic
-      - match:
-          - os=centos7
-        build-job:
-          tags:
-            - spack-kube
-          image: spack/centos7
-
-  cdash:
-    build-group: Release Testing
-    url: https://cdash.spack.io
-    project: Spack
-    site: Spack AWS Gitlab Instance
-
-The ``ci`` config section is used to configure how the pipeline workload should be
-generated, mainly how the jobs for building specs should be assigned to the
-configured runners on your instance. The main section for configuring pipelines
-is ``pipeline-gen``, which is a list of job attribute sections that are merged,
-using the same rules as Spack configs (:ref:`config-scope-precedence`), from the bottom up.
-The order sections are applied is to be consistent with how spack orders scope precedence when merging lists.
-There are two main section types, ``<type>-job`` sections and ``submapping``
-sections.
-
-
-^^^^^^^^^^^^^^^^^^^^^^
-Job Attribute Sections
-^^^^^^^^^^^^^^^^^^^^^^
-
-Each type of job may have attributes added or removed via sections in the ``pipeline-gen``
-list. Job type specific attributes may be specified using the keys ``<type>-job`` to
-add attributes to all jobs of type ``<type>`` or ``<type>-job-remove`` to remove attributes
-of type ``<type>``. Each section may only contain one type of job attribute specification, ie. ,
-``build-job`` and ``noop-job`` may not coexist but ``build-job`` and ``build-job-remove`` may.
-
-.. note::
-    The ``*-remove`` specifications are applied before the additive attribute specification.
-    For example, in the case where both ``build-job`` and ``build-job-remove`` are listed in
-    the same ``pipeline-gen`` section, the value will still exist in the merged build-job after
-    applying the section.
-
-All of the attributes specified are forwarded to the generated CI jobs, however special
-treatment is applied to the attributes ``tags``, ``image``, ``variables``, ``script``,
-``before_script``, and ``after_script`` as they are components recognized explicitly by the
-Spack CI generator. For the ``tags`` attribute, Spack will remove reserved tags
-(:ref:`reserved_tags`) from all jobs specified in the config. In some cases, such as for
-``signing`` jobs, reserved tags will be added back based on the type of CI that is being run.
-
-Once a runner has been chosen to build a release spec, the ``build-job*``
-sections provide information determining details of the job in the context of
-the runner.  At lease one of the ``build-job*`` sections must contain a ``tags`` key, which
+Once a runner has been chosen to build a release spec, the ``runner-attributes``
+section provides information determining details of the job in the context of
+the runner.  The ``runner-attributes`` section must have a ``tags`` key, which
 is a list containing at least one tag used to select the runner from among the
 runners known to the gitlab instance.  For Docker executor type runners, the
 ``image`` key is used to specify the Docker image used to build the release spec
@@ -560,7 +554,7 @@ information on to the runner that it needs to do its work (e.g. scheduler
 parameters, etc.).  Any ``variables`` provided here will be added, verbatim, to
 each job.
 
-The ``build-job`` section also allows users to supply custom ``script``,
+The ``runner-attributes`` section also allows users to supply custom ``script``,
 ``before_script``, and ``after_script`` sections to be applied to every job
 scheduled on that runner.  This allows users to do any custom preparation or
 cleanup tasks that fit their particular workflow, as well as completely
@@ -571,45 +565,46 @@ environment directory is located within your ``--artifacts_root`` (or if not
 provided, within your ``$CI_PROJECT_DIR``), activates that environment for
 you, and invokes ``spack ci rebuild``.
 
-Sections that specify scripts (``script``, ``before_script``, ``after_script``) are all
-read as lists of commands or lists of lists of commands. It is recommended to write scripts
-as lists of lists if scripts will be composed via merging. The default behavior of merging
-lists will remove duplicate commands and potentially apply unwanted reordering, whereas
-merging lists of lists will preserve the local ordering and never removes duplicate
-commands. When writing commands to the CI target script, all lists are expanded and
-flattened into a single list.
+.. _staging_algorithm:
 
-^^^^^^^^^^^^^^^^^^^
-Submapping Sections
-^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Summary of ``.gitlab-ci.yml`` generation algorithm
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-A special case of attribute specification is the ``submapping`` section which may be used
-to apply job attributes to build jobs based on the package spec associated with the rebuild
-job. Submapping is specified as a list of spec ``match`` lists associated with
-``build-job``/``build-job-remove`` sections. There are two options for ``match_behavior``,
-either ``first`` or ``merge`` may be specified. In either case, the ``submapping`` list is
-processed from the bottom up, and then each ``match`` list is searched for a string that
-satisfies the check ``spec.satisfies({match_item})`` for each concrete spec.
+All specs yielded by the matrix (or all the specs in the environment) have their
+dependencies computed, and the entire resulting set of specs are staged together
+before being run through the ``gitlab-ci/mappings`` entries, where each staged
+spec is assigned a runner.  "Staging" is the name given to the process of
+figuring out in what order the specs should be built, taking into consideration
+Gitlab CI rules about jobs/stages.  In the staging process the goal is to maximize
+the number of jobs in any stage of the pipeline, while ensuring that the jobs in
+any stage only depend on jobs in previous stages (since those jobs are guaranteed
+to have completed already).  As a runner is determined for a job, the information
+in the ``runner-attributes`` is used to populate various parts of the job
+description that will be used by Gitlab CI. Once all the jobs have been assigned
+a runner, the ``.gitlab-ci.yml`` is written to disk.
 
-The the case of ``match_behavior: first``, the first ``match`` section in the list of
-``submappings`` that contains a string that satisfies the spec will apply it's
-``build-job*`` attributes to the rebuild job associated with that spec. This is the
-default behavior and will be the method if no ``match_behavior`` is specified.
+The short example provided above would result in the ``readline``, ``ncurses``,
+and ``pkgconf`` packages getting staged and built on the runner chosen by the
+``spack-k8s`` tag.  In this example, spack assumes the runner is a Docker executor
+type runner, and thus certain jobs will be run in the ``centos7`` container,
+and others in the ``ubuntu-18.04`` container.  The resulting ``.gitlab-ci.yml``
+will contain 6 jobs in three stages.  Once the jobs have been generated, the
+presence of a ``SPACK_CDASH_AUTH_TOKEN`` environment variable during the
+``spack ci generate`` command would result in all of the jobs being put in a
+build group on CDash called "Release Testing" (that group will be created if
+it didn't already exist).
 
-The the case of ``merge`` match, all of the ``match`` sections in the list of
-``submappings`` that contain a string that satisfies the spec will have the associated
-``build-job*`` attributes applied to the rebuild job associated with that spec. Again,
-the attributes will be merged starting from the bottom match going up to the top match.
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Optional compiler bootstrapping
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-In the case that no match is found in a submapping section, no additional attributes will be applied.
-
-^^^^^^^^^^^^^
-Bootstrapping
-^^^^^^^^^^^^^
-
-
-The ``bootstrap`` section allows you to specify lists of specs from
-your ``definitions`` that should be staged ahead of the environment's ``specs``. At the moment
+Spack pipelines also have support for bootstrapping compilers on systems that
+may not already have the desired compilers installed. The idea here is that
+you can specify a list of things to bootstrap in your ``definitions``, and
+spack will guarantee those will be installed in a phase of the pipeline before
+your release specs, so that you can rely on those packages being available in
+the binary mirror when you need them later on in the pipeline.  At the moment
 the only viable use-case for bootstrapping is to install compilers.
 
 Here's an example of what bootstrapping some compilers might look like:
@@ -642,18 +637,18 @@ Here's an example of what bootstrapping some compilers might look like:
        exclude:
          - '%gcc@7.3.0 os=centos7'
          - '%gcc@5.5.0 os=ubuntu18.04'
-     ci:
+     gitlab-ci:
        bootstrap:
          - name: compiler-pkgs
            compiler-agnostic: true
-       pipeline-gen:
-         # similar to the example higher up in this description
+       mappings:
+         # mappings similar to the example higher up in this description
          ...
 
 The example above adds a list to the ``definitions`` called ``compiler-pkgs``
 (you can add any number of these), which lists compiler packages that should
 be staged ahead of the full matrix of release specs (in this example, only
-readline).  Then within the ``ci`` section, note the addition of a
+readline).  Then within the ``gitlab-ci`` section, note the addition of a
 ``bootstrap`` section, which can contain a list of items, each referring to
 a list in the ``definitions`` section.  These items can either
 be a dictionary or a string.  If you supply a dictionary, it must have a name
@@ -685,86 +680,6 @@ environment/stack file, and in that case no bootstrapping will be done (only the
 specs will be staged for building) and the runners will be expected to already
 have all needed compilers installed and configured for spack to use.
 
-^^^^^^^^^^^^^^^^^^^
-Pipeline Buildcache
-^^^^^^^^^^^^^^^^^^^
-
-The ``enable-artifacts-buildcache`` key
-takes a boolean and determines whether the pipeline uses artifacts to store and
-pass along the buildcaches from one stage to the next (the default if you don't
-provide this option is ``False``).
-
-^^^^^^^^^^^^^^^^
-Broken Specs URL
-^^^^^^^^^^^^^^^^
-
-The optional ``broken-specs-url`` key tells Spack to check against a list of
-specs that are known to be currently broken in ``develop``. If any such specs
-are found, the ``spack ci generate`` command will fail with an error message
-informing the user what broken specs were encountered. This allows the pipeline
-to fail early and avoid wasting compute resources attempting to build packages
-that will not succeed.
-
-^^^^^
-CDash
-^^^^^
-
-The optional ``cdash`` section provides information that will be used by the
-``spack ci generate`` command (invoked by ``spack ci start``) for reporting
-to CDash.  All the jobs generated from this environment will belong to a
-"build group" within CDash that can be tracked over time.  As the release
-progresses, this build group may have jobs added or removed. The url, project,
-and site are used to specify the CDash instance to which build results should
-be reported.
-
-Take a look at the
-`schema <https://github.com/spack/spack/blob/develop/lib/spack/spack/schema/ci.py>`_
-for the ci section of the spack environment file, to see precisely what
-syntax is allowed there.
-
-.. _reserved_tags:
-
-^^^^^^^^^^^^^
-Reserved Tags
-^^^^^^^^^^^^^
-
-Spack has a subset of tags (``public``, ``protected``, and ``notary``) that it reserves
-for classifying runners that may require special permissions or access. The tags
-``public`` and ``protected`` are used to distinguish between runners that use public
-permissions and runners with protected permissions. The ``notary`` tag is a special tag
-that is used to indicate runners that have access to the highly protected information
-used for signing binaries using the ``signing`` job.
-
-.. _staging_algorithm:
-
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Summary of ``.gitlab-ci.yml`` generation algorithm
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-All specs yielded by the matrix (or all the specs in the environment) have their
-dependencies computed, and the entire resulting set of specs are staged together
-before being run through the ``ci/pipeline-gen`` entries, where each staged
-spec is assigned a runner.  "Staging" is the name given to the process of
-figuring out in what order the specs should be built, taking into consideration
-Gitlab CI rules about jobs/stages.  In the staging process the goal is to maximize
-the number of jobs in any stage of the pipeline, while ensuring that the jobs in
-any stage only depend on jobs in previous stages (since those jobs are guaranteed
-to have completed already).  As a runner is determined for a job, the information
-in the merged ``any-job*`` and ``build-job*`` sections is used to populate various parts of the job
-description that will be used by the target CI pipelines. Once all the jobs have been assigned
-a runner, the ``.gitlab-ci.yml`` is written to disk.
-
-The short example provided above would result in the ``readline``, ``ncurses``,
-and ``pkgconf`` packages getting staged and built on the runner chosen by the
-``spack-k8s`` tag.  In this example, spack assumes the runner is a Docker executor
-type runner, and thus certain jobs will be run in the ``centos7`` container,
-and others in the ``ubuntu-18.04`` container.  The resulting ``.gitlab-ci.yml``
-will contain 6 jobs in three stages.  Once the jobs have been generated, the
-presence of a ``SPACK_CDASH_AUTH_TOKEN`` environment variable during the
-``spack ci generate`` command would result in all of the jobs being put in a
-build group on CDash called "Release Testing" (that group will be created if
-it didn't already exist).
-
 -------------------------------------
 Using a custom spack in your pipeline
 -------------------------------------
@@ -811,21 +726,23 @@ generated by ``spack ci generate``.  You also want your generated rebuild jobs
 
    spack:
      ...
-     ci:
-       pipeline-gen:
-       - build-job:
-           tags:
-             - spack-kube
-           image: spack/ubuntu-bionic
-           before_script:
-             - git clone ${SPACK_REPO}
-             - pushd spack && git checkout ${SPACK_REF} && popd
-             - . "./spack/share/spack/setup-env.sh"
-           script:
-             - spack env activate --without-view ${SPACK_CONCRETE_ENV_DIR}
-             - spack -d ci rebuild
-           after_script:
-             - rm -rf ./spack
+     gitlab-ci:
+       mappings:
+         - match:
+             - os=ubuntu18.04
+           runner-attributes:
+             tags:
+               - spack-kube
+             image: spack/ubuntu-bionic
+             before_script:
+               - git clone ${SPACK_REPO}
+               - pushd spack && git checkout ${SPACK_REF} && popd
+               - . "./spack/share/spack/setup-env.sh"
+             script:
+               - spack env activate --without-view ${SPACK_CONCRETE_ENV_DIR}
+               - spack -d ci rebuild
+             after_script:
+               - rm -rf ./spack
 
 Now all of the generated rebuild jobs will use the same shell script to clone
 spack before running their actual workload.
@@ -914,4 +831,3 @@ verify binary packages (when installing or creating buildcaches).  You could
 also have already trusted a key spack know about, or if no key is present anywhere,
 spack will install specs using ``--no-check-signature`` and create buildcaches
 using ``-u`` (for unsigned binaries).
-

lib/spack/docs/replace_conda_homebrew.rst

@@ -4,7 +4,7 @@
    SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 =====================================
-Spack for Homebrew/Conda Users
+Using Spack to Replace Homebrew/Conda
 =====================================
 
 Spack is an incredibly powerful package manager, designed for supercomputers
@@ -191,18 +191,18 @@ The ``--fresh`` flag tells Spack to use the latest version of every package
 where possible instead of trying to optimize for reuse of existing installed
 packages.
 
-The ``--force`` flag in addition tells Spack to overwrite its previous
-concretization decisions, allowing you to choose a new version of Python.
-If any of the new packages like Bash are already installed, ``spack install``
+The ``--force`` flag in addition tells Spack to overwrite its previous 
+concretization decisions, allowing you to choose a new version of Python. 
+If any of the new packages like Bash are already installed, ``spack install`` 
 won't re-install them, it will keep the symlinks in place.
 
 -----------------------------------
 Updating & Cleaning Up Old Packages
 -----------------------------------
 
-If you're looking to mimic the behavior of Homebrew, you may also want to
-clean up out-of-date packages from your environment after an upgrade. To
-upgrade your entire software stack within an environment and clean up old
+If you're looking to mimic the behavior of Homebrew, you may also want to 
+clean up out-of-date packages from your environment after an upgrade. To 
+upgrade your entire software stack within an environment and clean up old 
 package versions, simply run the following commands:
 
 .. code-block:: console
@@ -212,9 +212,9 @@ package versions, simply run the following commands:
    $ spack concretize --fresh --force
    $ spack install
    $ spack gc
-
-Running ``spack mark -i --all`` tells Spack to mark all of the existing
-packages within an environment as "implicitly" installed. This tells
+   
+Running ``spack mark -i --all`` tells Spack to mark all of the existing 
+packages within an environment as "implicitly" installed. This tells 
 spack's garbage collection system that these packages should be cleaned up.
 
 Don't worry however, this will not remove your entire environment.
@@ -223,8 +223,8 @@ a fresh concretization and will re-mark any packages that should remain
 installed as "explicitly" installed.
 
 **Note:** if you use multiple spack environments you should re-run ``spack install``
-in each of your environments prior to running ``spack gc`` to prevent spack
-from uninstalling any shared packages that are no longer required by the
+in each of your environments prior to running ``spack gc`` to prevent spack 
+from uninstalling any shared packages that are no longer required by the 
 environment you just upgraded.
 
 --------------

lib/spack/docs/repositories.rst

@@ -32,16 +32,11 @@ A package repository a directory structured like this::
           ...
 
 The top-level ``repo.yaml`` file contains configuration metadata for the
-repository. The packages subdirectory, typically ``packages``, contains
-subdirectories for each package in the repository.  Each package directory
-contains a ``package.py`` file and any patches or other files needed to build the
+repository, and the ``packages`` directory contains subdirectories for
+each package in the repository.  Each package directory contains a
+``package.py`` file and any patches or other files needed to build the
 package.
 
-The ``repo.yaml`` file may also contain a ``subdirectory`` key,
-which can modify the name of the subdirectory used for packages. As seen above,
-the default value is ``packages``. An empty string (``subdirectory: ''``) requires
-a flattened repo structure in which the package names are top-level subdirectories.
-
 Package repositories allow you to:
 
 1. Maintain your own packages separately from Spack;
@@ -378,24 +373,6 @@ You can supply a custom namespace with a second argument, e.g.:
   repo:
     namespace: 'llnl.comp'
 
-You can also create repositories with custom structure with the ``-d/--subdirectory``
-argument, e.g.:
-
-.. code-block:: console
-
-  $ spack repo create -d applications myrepo apps
-  ==> Created repo with namespace 'apps'.
-  ==> To register it with Spack, run this command:
-    spack repo add ~/myrepo
-
-  $ ls myrepo
-  applications/  repo.yaml
-
-  $ cat myrepo/repo.yaml
-  repo:
-    namespace: apps
-    subdirectory: applications
-
 ^^^^^^^^^^^^^^^^^^
 ``spack repo add``
 ^^^^^^^^^^^^^^^^^^

lib/spack/docs/requirements.txt

@@ -1,13 +1,12 @@
-sphinx==7.2.6
-sphinxcontrib-programoutput==0.17
-sphinx_design==0.5.0
-sphinx-rtd-theme==1.3.0
-python-levenshtein==0.23.0
-docutils==0.18.1
-pygments==2.16.1
-urllib3==2.0.7
-pytest==7.4.3
-isort==5.12.0
-black==23.10.1
-flake8==6.1.0
-mypy==1.6.1
+# These dependencies should be installed using pip in order
+# to build the documentation.
+
+sphinx>=3.4,!=4.1.2,!=5.1.0
+sphinxcontrib-programoutput
+sphinx-design
+sphinx-rtd-theme
+python-levenshtein
+# Restrict to docutils <0.17 to workaround a list rendering issue in sphinx.
+# https://stackoverflow.com/questions/67542699
+docutils <0.17
+pygments <2.13

lib/spack/docs/signing.rst

@@ -1,478 +0,0 @@
-.. Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
-
-   SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-.. _signing:
-
-=====================
-Spack Package Signing
-=====================
-
-The goal of package signing in Spack is to provide data integrity
-assurances around official packages produced by the automated Spack CI
-pipelines. These assurances directly address the security of Spack’s
-software supply chain by explaining why a security-conscious user can
-be reasonably justified in the belief that packages installed via Spack
-have an uninterrupted auditable trail back to change management
-decisions judged to be appropriate by the Spack maintainers. This is
-achieved through cryptographic signing of packages built by Spack CI
-pipelines based on code that has been transparently reviewed and
-approved on GitHub. This document describes the signing process for
-interested users.
-
-.. _risks:
-
-------------------------------
-Risks, Impact and Threat Model
-------------------------------
-
-This document addresses the approach taken to safeguard Spack’s
-reputation with regard to the integrity of the package data produced by
-Spack’s CI pipelines. It does not address issues of data confidentiality
-(Spack is intended to be largely open source) or availability (efforts
-are described elsewhere). With that said the main reputational risk can
-be broadly categorized as a loss of faith in the data integrity due to a
-breach of the private key used to sign packages. Remediation of a
-private key breach would require republishing the public key with a
-revocation certificate, generating a new signing key, an assessment and
-potential rebuild/resigning of all packages since the key was breached,
-and finally direct intervention by every spack user to update their copy
-of Spack’s public keys used for local verification.
-
-The primary threat model used in mitigating the risks of these stated
-impacts is one of individual error not malicious intent or insider
-threat. The primary objective is to avoid the above impacts by making a
-private key breach nearly impossible due to oversight or configuration
-error. Obvious and straightforward measures are taken to mitigate issues
-of malicious interference in data integrity and insider threats but
-these attack vectors are not systematically addressed. It should be hard
-to exfiltrate the private key intentionally, and almost impossible to
-leak the key by accident.
-
-.. _overview:
-
------------------
-Pipeline Overview
------------------
-
-Spack pipelines build software through progressive stages where packages
-in later stages nominally depend on packages built in earlier stages.
-For both technical and design reasons these dependencies are not
-implemented through the default GitLab artifacts mechanism; instead
-built packages are uploaded to AWS S3 mirrors (buckets) where they are
-retrieved by subsequent stages in the pipeline. Two broad categories of
-pipelines exist: Pull Request (PR) pipelines and Develop/Release
-pipelines.
-
--  PR pipelines are launched in response to pull requests made by
-   trusted and untrusted users. Packages built on these pipelines upload
-   code to quarantined AWS S3 locations which cache the built packages
-   for the purposes of review and iteration on the changes proposed in
-   the pull request. Packages built on PR pipelines can come from
-   untrusted users so signing of these pipelines is not implemented.
-   Jobs in these pipelines are executed via normal GitLab runners both
-   within the AWS GitLab infrastructure and at affiliated institutions.
--  Develop and Release pipelines **sign** the packages they produce and carry
-   strong integrity assurances that trace back to auditable change management
-   decisions. These pipelines only run after members from a trusted group of
-   reviewers verify that the proposed changes in a pull request are appropriate.
-   Once the PR is merged, or a release is cut, a pipeline is run on protected
-   GitLab runners which provide access to the required signing keys within the
-   job. Intermediary keys are used to sign packages in each stage of the
-   pipeline as they are built and a final job officially signs each package
-   external to any specific packages’ build environment. An intermediate key
-   exists in the AWS infrastructure and for each affiliated instritution that
-   maintains protected runners. The runners that execute these pipelines
-   exclusively accept jobs from protected branches meaning the intermediate keys
-   are never exposed to unreviewed code and the official keys are never exposed
-   to any specific build environment.
-
-.. _key_architecture:
-
-----------------
-Key Architecture
-----------------
-
-Spack’s CI process uses public-key infrastructure (PKI) based on GNU Privacy
-Guard (gpg) keypairs to sign public releases of spack package metadata, also
-called specs. Two classes of GPG keys are involved in the process to reduce the
-impact of an individual private key compromise, these key classes are the
-*Intermediate CI Key* and *Reputational Key*. Each of these keys has signing
-sub-keys that are used exclusively for signing packages. This can be confusing
-so for the purpose of this explanation we’ll refer to Root and Signing keys.
-Each key has a private and a public component as well as one or more identities
-and zero or more signatures.
-
--------------------
-Intermediate CI Key
--------------------
-
-The Intermediate key class is used to sign and verify packages between stages
-within a develop or release pipeline. An intermediate key exists for the AWS
-infrastructure as well as each affiliated institution that maintains protected
-runners. These intermediate keys are made available to the GitLab execution
-environment building the package so that the package’s dependencies may be
-verified by the Signing Intermediate CI Public Key and the final package may be
-signed by the Signing Intermediate CI Private Key.
-
-
-+---------------------------------------------------------------------------------------------------------+
-| **Intermediate CI Key (GPG)**                                                                           |
-+==================================================+======================================================+
-| Root Intermediate CI Private Key (RSA 4096)#     |     Root Intermediate CI Public Key (RSA 4096)       |
-+--------------------------------------------------+------------------------------------------------------+
-|   Signing Intermediate CI Private Key (RSA 4096) |        Signing Intermediate CI Public Key (RSA 4096) |
-+--------------------------------------------------+------------------------------------------------------+
-| Identity: “Intermediate CI Key <maintainers@spack.io>”                                                  |
-+---------------------------------------------------------------------------------------------------------+
-| Signatures: None                                                                                        |
-+---------------------------------------------------------------------------------------------------------+
-
-
-The *Root intermediate CI Private Key*\ Is stripped out of the GPG key and
-stored offline completely separate from Spack’s infrastructure. This allows the
-core development team to append revocation certificates to the GPG key and
-issue new sub-keys for use in the pipeline. It is our expectation that this
-will happen on a semi regular basis. A corollary of this is that *this key
-should not be used to verify package integrity outside the internal CI process.*
-
-----------------
-Reputational Key
-----------------
-
-The Reputational Key is the public facing key used to sign complete groups of
-development and release packages. Only one key pair exsits in this class of
-keys. In contrast to the Intermediate CI Key the Reputational Key *should* be
-used to verify package integrity. At the end of develop and release pipeline a
-final pipeline job pulls down all signed package metadata built by the pipeline,
-verifies they were signed with an Intermediate CI Key, then strips the
-Intermediate CI Key signature from the package and re-signs them with the
-Signing Reputational Private Key. The officially signed packages are then
-uploaded back to the AWS S3 mirror. Please note that separating use of the
-reputational key into this final job is done to prevent leakage of the key in a
-spack package. Because the Signing Reputational Private Key is never exposed to
-a build job it cannot accidentally end up in any built package.
-
-
-+---------------------------------------------------------------------------------------------------------+
-| **Reputational Key (GPG)**                                                                              |
-+==================================================+======================================================+
-| Root Reputational Private Key (RSA 4096)#        |          Root Reputational Public Key (RSA 4096)     |
-+--------------------------------------------------+------------------------------------------------------+
-| Signing Reputational Private Key (RSA 4096)      |          Signing Reputational Public Key (RSA 4096)  |
-+--------------------------------------------------+------------------------------------------------------+
-| Identity: “Spack Project <maintainers@spack.io>”                                                        |
-+---------------------------------------------------------------------------------------------------------+
-| Signatures: Signed by core development team [#f1]_                                                      |
-+---------------------------------------------------------------------------------------------------------+
-
-The Root Reputational Private Key is stripped out of the GPG key and stored
-offline completely separate from Spack’s infrastructure. This allows the core
-development team to append revocation certificates to the GPG key in the
-unlikely event that the Signing Reputation Private Key is compromised. In
-general it is the expectation that rotating this key will happen infrequently if
-at all. This should allow relatively transparent verification for the end-user
-community without needing deep familiarity with GnuPG or Public Key
-Infrastructure.
-
-
-.. _build_cache_format:
-
-------------------
-Build Cache Format
-------------------
-
-A binary package consists of a metadata file unambiguously defining the
-built package (and including other details such as how to relocate it)
-and the installation directory of the package stored as a compressed
-archive file. The metadata files can either be unsigned, in which case
-the contents are simply the json-serialized concrete spec plus metadata,
-or they can be signed, in which case the json-serialized concrete spec
-plus metadata is wrapped in a gpg cleartext signature. Built package
-metadata files are named to indicate the operating system and
-architecture for which the package was built as well as the compiler
-used to build it and the packages name and version. For example::
-
-  linux-ubuntu18.04-haswell-gcc-7.5.0-zlib-1.2.12-llv2ysfdxnppzjrt5ldybb5c52qbmoow.spec.json.sig
-
-would contain the concrete spec and binary metadata for a binary package
-of ``zlib@1.2.12``, built for the ``ubuntu`` operating system and ``haswell``
-architecture. The id of the built package exists in the name of the file
-as well (after the package name and version) and in this case begins
-with ``llv2ys``. The id distinguishes a particular built package from all
-other built packages with the same os/arch, compiler, name, and version.
-Below is an example of a signed binary package metadata file. Such a
-file would live in the ``build_cache`` directory of a binary mirror::
-
-  -----BEGIN PGP SIGNED MESSAGE-----
-  Hash: SHA512
-
-  {
-    "spec": {
-      <concrete-spec-contents-omitted>
-    },
-
-    "buildcache_layout_version": 1,
-    "binary_cache_checksum": {
-      "hash_algorithm": "sha256",
-      "hash": "4f1e46452c35a5e61bcacca205bae1bfcd60a83a399af201a29c95b7cc3e1423"
-     }
-  }
-
-  -----BEGIN PGP SIGNATURE-----
-  iQGzBAEBCgAdFiEETZn0sLle8jIrdAPLx/P+voVcifMFAmKAGvwACgkQx/P+voVc
-  ifNoVgv/VrhA+wurVs5GB9PhmMA1m5U/AfXZb4BElDRwpT8ZcTPIv5X8xtv60eyn
-  4EOneGVbZoMThVxgev/NKARorGmhFXRqhWf+jknJZ1dicpqn/qpv34rELKUpgXU+
-  QDQ4d1P64AIdTczXe2GI9ZvhOo6+bPvK7LIsTkBbtWmopkomVxF0LcMuxAVIbA6b
-  887yBvVO0VGlqRnkDW7nXx49r3AG2+wDcoU1f8ep8QtjOcMNaPTPJ0UnjD0VQGW6
-  4ZFaGZWzdo45MY6tF3o5mqM7zJkVobpoW3iUz6J5tjz7H/nMlGgMkUwY9Kxp2PVH
-  qoj6Zip3LWplnl2OZyAY+vflPFdFh12Xpk4FG7Sxm/ux0r+l8tCAPvtw+G38a5P7
-  QEk2JBr8qMGKASmnRlJUkm1vwz0a95IF3S9YDfTAA2vz6HH3PtsNLFhtorfx8eBi
-  Wn5aPJAGEPOawEOvXGGbsH4cDEKPeN0n6cy1k92uPEmBLDVsdnur8q42jk5c2Qyx
-  j3DXty57
-  =3gvm
-  -----END PGP SIGNATURE-----
-
-If a user has trusted the public key associated with the private key
-used to sign the above spec file, the signature can be verified with
-gpg, as follows::
-
-  $ gpg –verify linux-ubuntu18.04-haswell-gcc-7.5.0-zlib-1.2.12-llv2ysfdxnppzjrt5ldybb5c52qbmoow.spec.json.sig
-
-The metadata (regardless whether signed or unsigned) contains the checksum
-of the ``.spack`` file containing the actual installation. The checksum should
-be compared to a checksum computed locally on the ``.spack`` file to ensure the
-contents have not changed since the binary spec plus metadata were signed. The
-``.spack`` files are actually tarballs containing the compressed archive of the
-install tree.  These files, along with the metadata files, live within the
-``build_cache`` directory of the mirror, and together are organized as follows::
-
-  build_cache/
-    # unsigned metadata (for indexing, contains sha256 of .spack file)
-    <arch>-<compiler>-<name>-<ver>-24zvipcqgg2wyjpvdq2ajy5jnm564hen.spec.json
-    # clearsigned metadata (same as above, but signed)
-    <arch>-<compiler>-<name>-<ver>-24zvipcqgg2wyjpvdq2ajy5jnm564hen.spec.json.sig
-    <arch>/
-      <compiler>/
-        <name>-<ver>/
-          # tar.gz-compressed prefix (may support more compression formats later)
-          <arch>-<compiler>-<name>-<ver>-24zvipcqgg2wyjpvdq2ajy5jnm564hen.spack
-
-Uncompressing and extracting the ``.spack`` file results in the install tree.
-This is in contrast to previous versions of spack, where the ``.spack`` file
-contained a (duplicated) metadata file, a signature file and a nested tarball
-containing the install tree.
-
-.. _internal_implementation:
-
------------------------
-Internal Implementation
------------------------
-
-The technical implementation of the pipeline signing process includes components
-defined in Amazon Web Services, the Kubernetes cluster, at affilicated
-institutions, and the GitLab/GitLab Runner deployment. We present the techincal
-implementation in two interdependent sections. The first addresses how secrets
-are managed through the lifecycle of a develop or release pipeline. The second
-section describes how Gitlab Runner and pipelines are configured and managed to
-support secure automated signing.
-
-Secrets Management
-^^^^^^^^^^^^^^^^^^
-
-As stated above the Root Private Keys (intermediate and reputational)
-are stripped from the GPG keys and stored outside Spack’s
-infrastructure.
-
-.. warning::
-  **TODO**
-    - Explanation here about where and how access is handled for these keys.
-    - Both Root private keys are protected with strong passwords
-    - Who has access to these and how?
-
-**Intermediate CI Key**
------------------------
-
-Multiple intermediate CI signing keys exist, one Intermediate CI Key for jobs
-run in AWS, and one key for each affiliated institution (e.g. Univerity of
-Oregon). Here we describe how the Intermediate CI Key is managed in AWS:
-
-The Intermediate CI Key (including the Signing Intermediate CI Private Key is
-exported as an ASCII armored file and stored in a Kubernetes secret called
-``spack-intermediate-ci-signing-key``. For convenience sake, this same secret
-contains an ASCII-armored export of just the *public* components of the
-Reputational Key. This secret also contains the *public* components of each of
-the affiliated institutions' Intermediate CI Key. These are potentially needed
-to verify dependent packages which may have been found in the public mirror or
-built by a protected job running on an affiliated institution's infrastrcuture
-in an earlier stage of the pipeline.
-
-Procedurally the ``spack-intermediate-ci-signing-key`` secret is used in
-the following way:
-
-1. A ``large-arm-prot`` or ``large-x86-prot`` protected runner picks up
-   a job tagged ``protected`` from a protected GitLab branch. (See
-   `Protected Runners and Reserved Tags <#_8bawjmgykv0b>`__).
-2. Based on its configuration, the runner creates a job Pod in the
-   pipeline namespace and mounts the spack-intermediate-ci-signing-key
-   Kubernetes secret into the build container
-3. The Intermediate CI Key, affiliated institutions' public key and the
-   Reputational Public Key are imported into a keyring by the ``spack gpg …``
-   sub-command. This is initiated by the job’s build script which is created by
-   the generate job at the beginning of the pipeline.
-4. Assuming the package has dependencies those specs are verified using
-   the keyring.
-5. The package is built and the spec.json is generated
-6. The spec.json is signed by the keyring and uploaded to the mirror’s
-   build cache.
-
-**Reputational Key**
---------------------
-
-Because of the increased impact to end users in the case of a private
-key breach, the Reputational Key is managed separately from the
-Intermediate CI Keys and has additional controls. First, the Reputational
-Key was generated outside of Spack’s infrastructure and has been signed
-by the core development team. The Reputational Key (along with the
-Signing Reputational Private Key) was then ASCII armor exported to a
-file. Unlike the Intermediate CI Key this exported file is not stored as
-a base64 encoded secret in Kubernetes. Instead\ *the key file
-itself*\ is encrypted and stored in Kubernetes as the
-``spack-signing-key-encrypted`` secret in the pipeline namespace.
-
-The encryption of the exported Reputational Key (including the Signing
-Reputational Private Key) is handled by `AWS Key Management Store (KMS) data
-keys
-<https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#data-keys>`__.
-The private key material is decrypted and imported at the time of signing into a
-memory mounted temporary directory holding the keychain. The signing job uses
-the `AWS Encryption SDK
-<https://docs.aws.amazon.com/encryption-sdk/latest/developer-guide/crypto-cli.html>`__
-(i.e. ``aws-encryption-cli``) to decrypt the Reputational Key. Permission to
-decrypt the key is granted to the job Pod through a Kubernetes service account
-specifically used for this, and only this, function. Finally, for convenience
-sake, this same secret contains an ASCII-armored export of the *public*
-components of the Intermediate CI Keys and the Reputational Key. This allows the
-signing script to verify that packages were built by the pipeline (both on AWS
-or at affiliated institutions), or signed previously as a part of a different
-pipeline. This is is done *before* importing decrypting and importing the
-Signing Reputational Private Key material and officially signing the packages.
-
-Procedurally the ``spack-singing-key-encrypted`` secret is used in the
-following way:
-
-1.  The ``spack-package-signing-gitlab-runner`` protected runner picks
-    up a job tagged ``notary`` from a protected GitLab branch (See
-    `Protected Runners and Reserved Tags <#_8bawjmgykv0b>`__).
-2.  Based on its configuration, the runner creates a job pod in the
-    pipeline namespace. The job is run in a stripped down purpose-built
-    image ``ghcr.io/spack/notary:latest`` Docker image. The runner is
-    configured to only allow running jobs with this image.
-3.  The runner also mounts the ``spack-signing-key-encrypted`` secret to
-    a path on disk. Note that this becomes several files on disk, the
-    public components of the Intermediate CI Keys, the public components
-    of the Reputational CI, and an AWS KMS encrypted file containing the
-    Singing Reputational Private Key.
-4.  In addition to the secret, the runner creates a tmpfs memory mounted
-    directory where the GnuPG keyring will be created to verify, and
-    then resign the package specs.
-5.  The job script syncs all spec.json.sig files from the build cache to
-    a working directory in the job’s execution environment.
-6.  The job script then runs the ``sign.sh`` script built into the
-    notary Docker image.
-7.  The ``sign.sh`` script imports the public components of the
-    Reputational and Intermediate CI Keys and uses them to verify good
-    signatures on the spec.json.sig files. If any signed spec does not
-    verify the job immediately fails.
-8.  Assuming all specs are verified, the ``sign.sh`` script then unpacks
-    the spec json data from the signed file in preparation for being
-    re-signed with the Reputational Key.
-9.  The private components of the Reputational Key are decrypted to
-    standard out using ``aws-encryption-cli`` directly into a ``gpg
-    –import …`` statement which imports the key into the
-    keyring mounted in-memory.
-10. The private key is then used to sign each of the json specs and the
-    keyring is removed from disk.
-11. The re-signed json specs are resynced to the AWS S3 Mirror and the
-    public signing of the packages for the develop or release pipeline
-    that created them is complete.
-
-Non service-account access to the private components of the Reputational
-Key that are managed through access to the symmetric secret in KMS used
-to encrypt the data key (which in turn is used to encrypt the GnuPG key
-- See:\ `Encryption SDK
-Documentation <https://docs.aws.amazon.com/encryption-sdk/latest/developer-guide/crypto-cli-examples.html#cli-example-encrypt-file>`__).
-A small trusted subset of the core development team are the only
-individuals with access to this symmetric key.
-
-.. _protected_runners:
-
-Protected Runners and Reserved Tags
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Spack has a large number of Gitlab Runners operating in its build farm.
-These include runners deployed in the AWS Kubernetes cluster as well as
-runners deployed at affiliated institutions. The majority of runners are
-shared runners that operate across projects in gitlab.spack.io. These
-runners pick up jobs primarily from the spack/spack project and execute
-them in PR pipelines.
-
-A small number of runners operating on AWS and at affiliated institutions are
-registered as specific *protected* runners on the spack/spack project. In
-addition to protected runners there are protected branches on the spack/spack
-project. These are the ``develop`` branch, any release branch (i.e. managed with
-the ``releases/v*`` wildcard) and any tag branch (managed with the ``v*``
-wildcard) Finally Spack’s pipeline generation code reserves certain tags to make
-sure jobs are routed to the correct runners, these tags are ``public``,
-``protected``, and ``notary``. Understanding how all this works together to
-protect secrets and provide integrity assurances can be a little confusing so
-lets break these down:
-
--  **Protected Branches**- Protected branches in Spack prevent anyone
-   other than Maintainers in GitLab from pushing code. In the case of
-   Spack the only Maintainer level entity pushing code to protected
-   branches is Spack bot. Protecting branches also marks them in such a
-   way that Protected Runners will only run jobs from those branches
-- **Protected Runners**- Protected Runners only run jobs from protected
-   branches. Because protected runners have access to secrets, it's critical
-   that they not run Jobs from untrusted code (i.e. PR branches). If they did it
-   would be possible for a PR branch to tag a job in such a way that a protected
-   runner executed that job and mounted secrets into a code execution
-   environment that had not been reviewed by Spack maintainers. Note however
-   that in the absence of tagging used to route jobs, public runners *could* run
-   jobs from protected branches. No secrets would be at risk of being breached
-   because non-protected runners do not have access to those secrets; lack of
-   secrets would, however, cause the jobs to fail.
-- **Reserved Tags**- To mitigate the issue of public runners picking up
-   protected jobs Spack uses a small set of “reserved” job tags (Note that these
-   are *job* tags not git tags). These tags are “public”, “private”, and
-   “notary.” The majority of jobs executed in Spack’s GitLab instance are
-   executed via a ``generate`` job. The generate job code systematically ensures
-   that no user defined configuration sets these tags. Instead, the ``generate``
-   job sets these tags based on rules related to the branch where this pipeline
-   originated. If the job is a part of a pipeline on a PR branch it sets the
-   ``public`` tag. If the job is part of a pipeline on a protected branch it
-   sets the ``protected`` tag. Finally if the job is the package signing job and
-   it is running on a pipeline that is part of a protected branch then it sets
-   the ``notary`` tag.
-
-Protected Runners are configured to only run jobs from protected branches. Only
-jobs running in pipelines on protected branches are tagged with ``protected`` or
-``notary`` tags. This tightly couples jobs on protected branches to protected
-runners that provide access to the secrets required to sign the built packages.
-The secrets are can **only** be accessed via:
-
-1. Runners under direct control of the core development team.
-2. Runners under direct control of trusted maintainers at affiliated institutions.
-3. By code running the automated pipeline that has been reviewed by the
-   Spack maintainers and judged to be appropriate.
-
-Other attempts (either through malicious intent or incompetence) can at
-worst grab jobs intended for protected runners which will cause those
-jobs to fail alerting both Spack maintainers and the core development
-team.
-
-.. [#f1]
-   The Reputational Key has also cross signed core development team
-   keys.

lib/spack/docs/tables/system_prerequisites.csv

@@ -1,7 +1,9 @@
 Name, Supported Versions, Notes, Requirement Reason
-Python, 3.6--3.12, , Interpreter for Spack
+Python, 3.6--3.11, , Interpreter for Spack
 C/C++ Compilers, , , Building software
+make, , , Build software
 patch, , , Build software
+bash, , , Compiler wrappers
 tar, , , Extract/create archives
 gzip, , , Compress/Decompress archives
 unzip, , , Compress/Decompress archives

lib/spack/env/cc

@@ -416,261 +416,194 @@ input_command="$*"
 # The lists are all bell-separated to be as flexible as possible, as their
 # contents may come from the command line, from ' '-separated lists,
 # ':'-separated lists, etc.
+include_dirs_list=""
+lib_dirs_list=""
+rpath_dirs_list=""
+system_include_dirs_list=""
+system_lib_dirs_list=""
+system_rpath_dirs_list=""
+isystem_system_include_dirs_list=""
+isystem_include_dirs_list=""
+libs_list=""
+other_args_list=""
+
+# Global state for keeping track of -Wl,-rpath -Wl,/path
+wl_expect_rpath=no
 
 parse_Wl() {
+    # drop -Wl
+    shift
     while [ $# -ne 0 ]; do
     if [ "$wl_expect_rpath" = yes ]; then
-        if system_dir "$1"; then
-            append return_system_rpath_dirs_list "$1"
-        else
-            append return_rpath_dirs_list "$1"
-        fi
+        rp="$1"
         wl_expect_rpath=no
     else
+        rp=""
         case "$1" in
             -rpath=*)
-                arg="${1#-rpath=}"
-                if [ -z "$arg" ]; then
-                    shift; continue
-                elif system_dir "$arg"; then
-                    append return_system_rpath_dirs_list "$arg"
-                else
-                    append return_rpath_dirs_list "$arg"
-                fi
+                rp="${1#-rpath=}"
                 ;;
             --rpath=*)
-                arg="${1#--rpath=}"
-                if [ -z "$arg" ]; then
-                    shift; continue
-                elif system_dir "$arg"; then
-                    append return_system_rpath_dirs_list "$arg"
-                else
-                    append return_rpath_dirs_list "$arg"
-                fi
+                rp="${1#--rpath=}"
                 ;;
             -rpath|--rpath)
                 wl_expect_rpath=yes
                 ;;
             "$dtags_to_strip")
                 ;;
-            -Wl)
-                # Nested -Wl,-Wl means we're in NAG compiler territory, we don't support
-                # it.
-                return 1
-                ;;
             *)
-                append return_other_args_list "-Wl,$1"
+                append other_args_list "-Wl,$1"
                 ;;
         esac
     fi
+    if [ -n "$rp" ]; then
+        if system_dir "$rp"; then
+            append system_rpath_dirs_list "$rp"
+        else
+            append rpath_dirs_list "$rp"
+        fi
+    fi
     shift
     done
+    # By lack of local variables, always set this to empty string.
+    rp=""
 }
 
-categorize_arguments() {
 
-    unset IFS
+while [ $# -ne 0 ]; do
 
-    return_other_args_list=""
-    return_isystem_was_used=""
-    return_isystem_system_include_dirs_list=""
-    return_isystem_include_dirs_list=""
-    return_system_include_dirs_list=""
-    return_include_dirs_list=""
-    return_system_lib_dirs_list=""
-    return_lib_dirs_list=""
-    return_system_rpath_dirs_list=""
-    return_rpath_dirs_list=""
+    # an RPATH to be added after the case statement.
+    rp=""
 
-    # Global state for keeping track of -Wl,-rpath -Wl,/path
-    wl_expect_rpath=no
+    # Multiple consecutive spaces in the command line can
+    # result in blank arguments
+    if [ -z "$1" ]; then
+        shift
+        continue
+    fi
 
-    # Same, but for -Xlinker -rpath -Xlinker /path
-    xlinker_expect_rpath=no
-
-    while [ $# -ne 0 ]; do
-
-        # an RPATH to be added after the case statement.
-        rp=""
-
-        # Multiple consecutive spaces in the command line can
-        # result in blank arguments
-        if [ -z "$1" ]; then
-            shift
-            continue
-        fi
-
-        if [ -n "${SPACK_COMPILER_FLAGS_KEEP}" ] ; then
-            # NOTE: the eval is required to allow `|` alternatives inside the variable
-            eval "\
-            case \"\$1\" in
-                $SPACK_COMPILER_FLAGS_KEEP)
-                    append return_other_args_list \"\$1\"
-                    shift
-                    continue
-                    ;;
-            esac
-            "
-        fi
-        # the replace list is a space-separated list of pipe-separated pairs,
-        # the first in each pair is the original prefix to be matched, the
-        # second is the replacement prefix
-        if [ -n "${SPACK_COMPILER_FLAGS_REPLACE}" ] ; then
-            for rep in ${SPACK_COMPILER_FLAGS_REPLACE} ; do
-                before=${rep%|*}
-                after=${rep#*|}
-                eval "\
-                stripped=\"\${1##$before}\"
-                "
-                if [ "$stripped" = "$1" ] ; then
-                    continue
-                fi
-
-                replaced="$after$stripped" 
-
-                # it matched, remove it
+    if [ -n "${SPACK_COMPILER_FLAGS_KEEP}" ] ; then
+        # NOTE: the eval is required to allow `|` alternatives inside the variable
+        eval "\
+        case \"\$1\" in
+            $SPACK_COMPILER_FLAGS_KEEP)
+                append other_args_list \"\$1\"
                 shift
-
-                if [ -z "$replaced" ] ; then
-                    # completely removed, continue OUTER loop
-                    continue 2
-                fi
-
-                # re-build argument list with replacement
-                set -- "$replaced" "$@"
-            done
-        fi
-
-        case "$1" in
-            -isystem*)
-                arg="${1#-isystem}"
-                return_isystem_was_used=true
-                if [ -z "$arg" ]; then shift; arg="$1"; fi
-                if system_dir "$arg"; then
-                    append return_isystem_system_include_dirs_list "$arg"
-                else
-                    append return_isystem_include_dirs_list "$arg"
-                fi
-                ;;
-            -I*)
-                arg="${1#-I}"
-                if [ -z "$arg" ]; then shift; arg="$1"; fi
-                if system_dir "$arg"; then
-                    append return_system_include_dirs_list "$arg"
-                else
-                    append return_include_dirs_list "$arg"
-                fi
-                ;;
-            -L*)
-                arg="${1#-L}"
-                if [ -z "$arg" ]; then shift; arg="$1"; fi
-                if system_dir "$arg"; then
-                    append return_system_lib_dirs_list "$arg"
-                else
-                    append return_lib_dirs_list "$arg"
-                fi
-                ;;
-            -l*)
-                # -loopopt=0 is generated erroneously in autoconf <= 2.69,
-                # and passed by ifx to the linker, which confuses it with a
-                # library. Filter it out.
-                # TODO: generalize filtering of args with an env var, so that
-                # TODO: we do not have to special case this here.
-                if { [ "$mode" = "ccld" ] || [ $mode = "ld" ]; } \
-                    && [ "$1" != "${1#-loopopt}" ]; then
-                    shift
-                    continue
-                fi
-                arg="${1#-l}"
-                if [ -z "$arg" ]; then shift; arg="$1"; fi
-                append return_other_args_list "-l$arg"
-                ;;
-            -Wl,*)
-                IFS=,
-                if ! parse_Wl ${1#-Wl,}; then
-                    append return_other_args_list "$1"
-                fi
-                unset IFS
-                ;;
-            -Xlinker)
-                shift
-                if [ $# -eq 0 ]; then
-                    # -Xlinker without value: let the compiler error about it.
-                    append return_other_args_list -Xlinker
-                    xlinker_expect_rpath=no
-                    break
-                elif [ "$xlinker_expect_rpath" = yes ]; then
-                    # Register the path of -Xlinker -rpath <other args> -Xlinker <path>
-                    if system_dir "$1"; then
-                        append return_system_rpath_dirs_list "$1"
-                    else
-                        append return_rpath_dirs_list "$1"
-                    fi
-                    xlinker_expect_rpath=no
-                else
-                    case "$1" in
-                        -rpath=*)
-                            arg="${1#-rpath=}"
-                            if system_dir "$arg"; then
-                                append return_system_rpath_dirs_list "$arg"
-                            else
-                                append return_rpath_dirs_list "$arg"
-                            fi
-                            ;;
-                        --rpath=*)
-                            arg="${1#--rpath=}"
-                            if system_dir "$arg"; then
-                                append return_system_rpath_dirs_list "$arg"
-                            else
-                                append return_rpath_dirs_list "$arg"
-                            fi
-                            ;;
-                        -rpath|--rpath)
-                            xlinker_expect_rpath=yes
-                            ;;
-                        "$dtags_to_strip")
-                            ;;
-                        *)
-                            append return_other_args_list -Xlinker
-                            append return_other_args_list "$1"
-                            ;;
-                    esac
-                fi
-                ;;
-            "$dtags_to_strip")
-                ;;
-            *)
-                append return_other_args_list "$1"
+                continue
                 ;;
         esac
-        shift
-    done
+        "
+    fi
+    # the replace list is a space-separated list of pipe-separated pairs,
+    # the first in each pair is the original prefix to be matched, the
+    # second is the replacement prefix
+    if [ -n "${SPACK_COMPILER_FLAGS_REPLACE}" ] ; then
+        for rep in ${SPACK_COMPILER_FLAGS_REPLACE} ; do
+            before=${rep%|*}
+            after=${rep#*|}
+            eval "\
+            stripped=\"\${1##$before}\"
+            "
+            if [ "$stripped" = "$1" ] ; then
+                continue
+            fi
 
-    # We found `-Xlinker -rpath` but no matching value `-Xlinker /path`. Just append
-    # `-Xlinker -rpath` again and let the compiler or linker handle the error during arg
-    # parsing.
-    if [ "$xlinker_expect_rpath" = yes ]; then
-        append return_other_args_list -Xlinker
-        append return_other_args_list -rpath
+            replaced="$after$stripped" 
+
+            # it matched, remove it
+            shift
+
+            if [ -z "$replaced" ] ; then
+                # completely removed, continue OUTER loop
+                continue 2
+            fi
+
+            # re-build argument list with replacement
+            set -- "$replaced" "$@"
+        done
     fi
 
-    # Same, but for -Wl flags.
-    if [ "$wl_expect_rpath" = yes ]; then
-        append return_other_args_list -Wl,-rpath
-    fi
-}
+    case "$1" in
+        -isystem*)
+            arg="${1#-isystem}"
+            isystem_was_used=true
+            if [ -z "$arg" ]; then shift; arg="$1"; fi
+            if system_dir "$arg"; then
+                append isystem_system_include_dirs_list "$arg"
+            else
+                append isystem_include_dirs_list "$arg"
+            fi
+            ;;
+        -I*)
+            arg="${1#-I}"
+            if [ -z "$arg" ]; then shift; arg="$1"; fi
+            if system_dir "$arg"; then
+                append system_include_dirs_list "$arg"
+            else
+                append include_dirs_list "$arg"
+            fi
+            ;;
+        -L*)
+            arg="${1#-L}"
+            if [ -z "$arg" ]; then shift; arg="$1"; fi
+            if system_dir "$arg"; then
+                append system_lib_dirs_list "$arg"
+            else
+                append lib_dirs_list "$arg"
+            fi
+            ;;
+        -l*)
+            # -loopopt=0 is generated erroneously in autoconf <= 2.69,
+            # and passed by ifx to the linker, which confuses it with a
+            # library. Filter it out.
+            # TODO: generalize filtering of args with an env var, so that
+            # TODO: we do not have to special case this here.
+            if { [ "$mode" = "ccld" ] || [ $mode = "ld" ]; } \
+                && [ "$1" != "${1#-loopopt}" ]; then
+                shift
+                continue
+            fi
+            arg="${1#-l}"
+            if [ -z "$arg" ]; then shift; arg="$1"; fi
+            append other_args_list "-l$arg"
+            ;;
+        -Wl,*)
+            IFS=,
+            parse_Wl $1
+            unset IFS
+            ;;
+        -Xlinker)
+            if [ "$2" = "-rpath" ]; then
+                if [ "$3" != "-Xlinker" ]; then
+                    die "-Xlinker,-rpath was not followed by -Xlinker,*"
+                fi
+                shift 3;
+                rp="$1"
+            elif [ "$2" = "$dtags_to_strip" ]; then
+                shift  # We want to remove explicitly this flag
+            else
+                append other_args_list "$1"
+            fi
+            ;;
+        *)
+            if [ "$1" = "$dtags_to_strip" ]; then
+                :  # We want to remove explicitly this flag
+            else
+                append other_args_list "$1"
+            fi
+            ;;
+    esac
 
-categorize_arguments "$@"
-    include_dirs_list="$return_include_dirs_list"
-    lib_dirs_list="$return_lib_dirs_list"
-    rpath_dirs_list="$return_rpath_dirs_list"
-    system_include_dirs_list="$return_system_include_dirs_list"
-    system_lib_dirs_list="$return_system_lib_dirs_list"
-    system_rpath_dirs_list="$return_system_rpath_dirs_list"
-    isystem_was_used="$return_isystem_was_used"
-    isystem_system_include_dirs_list="$return_isystem_system_include_dirs_list"
-    isystem_include_dirs_list="$return_isystem_include_dirs_list"
-    other_args_list="$return_other_args_list"
+    # test rpaths against system directories in one place.
+    if [ -n "$rp" ]; then
+        if system_dir "$rp"; then
+            append system_rpath_dirs_list "$rp"
+        else
+            append rpath_dirs_list "$rp"
+        fi
+    fi
+    shift
+done
 
 #
 # Add flags from Spack's cppflags, cflags, cxxflags, fcflags, fflags, and
@@ -690,14 +623,12 @@ elif [ "$SPACK_ADD_DEBUG_FLAGS" = "custom" ]; then
     extend flags_list SPACK_DEBUG_FLAGS
 fi
 
-spack_flags_list=""
-
 # Fortran flags come before CPPFLAGS
 case "$mode" in
     cc|ccld)
         case $lang_flags in
             F)
-                extend spack_flags_list SPACK_FFLAGS
+                extend flags_list SPACK_FFLAGS
                 ;;
         esac
         ;;
@@ -706,7 +637,7 @@ esac
 # C preprocessor flags come before any C/CXX flags
 case "$mode" in
     cpp|as|cc|ccld)
-        extend spack_flags_list SPACK_CPPFLAGS
+        extend flags_list SPACK_CPPFLAGS
         ;;
 esac
 
@@ -716,10 +647,10 @@ case "$mode" in
     cc|ccld)
         case $lang_flags in
             C)
-                extend spack_flags_list SPACK_CFLAGS
+                extend flags_list SPACK_CFLAGS
                 ;;
             CXX)
-                extend spack_flags_list SPACK_CXXFLAGS
+                extend flags_list SPACK_CXXFLAGS
                 ;;
         esac
 
@@ -731,25 +662,10 @@ esac
 # Linker flags
 case "$mode" in
     ld|ccld)
-        extend spack_flags_list SPACK_LDFLAGS
+        extend flags_list SPACK_LDFLAGS
         ;;
 esac
 
-IFS="$lsep"
-    categorize_arguments $spack_flags_list
-unset IFS
-        spack_flags_include_dirs_list="$return_include_dirs_list"
-        spack_flags_lib_dirs_list="$return_lib_dirs_list"
-        spack_flags_rpath_dirs_list="$return_rpath_dirs_list"
-        spack_flags_system_include_dirs_list="$return_system_include_dirs_list"
-        spack_flags_system_lib_dirs_list="$return_system_lib_dirs_list"
-        spack_flags_system_rpath_dirs_list="$return_system_rpath_dirs_list"
-        spack_flags_isystem_was_used="$return_isystem_was_used"
-        spack_flags_isystem_system_include_dirs_list="$return_isystem_system_include_dirs_list"
-        spack_flags_isystem_include_dirs_list="$return_isystem_include_dirs_list"
-        spack_flags_other_args_list="$return_other_args_list"
-
-
 # On macOS insert headerpad_max_install_names linker flag
 if [ "$mode" = ld ] || [ "$mode" = ccld ]; then
     if [ "${SPACK_SHORT_SPEC#*darwin}" != "${SPACK_SHORT_SPEC}" ]; then
@@ -775,8 +691,6 @@ if [ "$mode" = ccld ] || [ "$mode" = ld ]; then
     extend lib_dirs_list SPACK_LINK_DIRS
 fi
 
-libs_list=""
-
 # add RPATHs if we're in in any linking mode
 case "$mode" in
     ld|ccld)
@@ -805,16 +719,12 @@ args_list="$flags_list"
 
 # Insert include directories just prior to any system include directories
 # NOTE: adding ${lsep} to the prefix here turns every added element into two
-extend args_list spack_flags_include_dirs_list "-I"
 extend args_list include_dirs_list "-I"
-extend args_list spack_flags_isystem_include_dirs_list "-isystem${lsep}"
 extend args_list isystem_include_dirs_list "-isystem${lsep}"
 
 case "$mode" in
     cpp|cc|as|ccld)
-        if [ "$spack_flags_isystem_was_used" = "true" ]; then
-            extend args_list SPACK_INCLUDE_DIRS "-isystem${lsep}"
-        elif [ "$isystem_was_used" = "true" ]; then
+        if [ "$isystem_was_used" = "true" ]; then
             extend args_list SPACK_INCLUDE_DIRS "-isystem${lsep}"
         else
             extend args_list SPACK_INCLUDE_DIRS "-I"
@@ -822,15 +732,11 @@ case "$mode" in
         ;;
 esac
 
-extend args_list spack_flags_system_include_dirs_list -I
 extend args_list system_include_dirs_list -I
-extend args_list spack_flags_isystem_system_include_dirs_list "-isystem${lsep}"
 extend args_list isystem_system_include_dirs_list "-isystem${lsep}"
 
 # Library search paths
-extend args_list spack_flags_lib_dirs_list "-L"
 extend args_list lib_dirs_list "-L"
-extend args_list spack_flags_system_lib_dirs_list "-L"
 extend args_list system_lib_dirs_list "-L"
 
 # RPATHs arguments
@@ -839,25 +745,20 @@ case "$mode" in
         if [ -n "$dtags_to_add" ] ; then
             append args_list "$linker_arg$dtags_to_add"
         fi
-        extend args_list spack_flags_rpath_dirs_list "$rpath"
         extend args_list rpath_dirs_list "$rpath"
-        extend args_list spack_flags_system_rpath_dirs_list "$rpath"
         extend args_list system_rpath_dirs_list "$rpath"
         ;;
     ld)
         if [ -n "$dtags_to_add" ] ; then
             append args_list "$dtags_to_add"
         fi
-        extend args_list spack_flags_rpath_dirs_list "-rpath${lsep}"
         extend args_list rpath_dirs_list "-rpath${lsep}"
-        extend args_list spack_flags_system_rpath_dirs_list "-rpath${lsep}"
         extend args_list system_rpath_dirs_list "-rpath${lsep}"
         ;;
 esac
 
 # Other arguments from the input command
 extend args_list other_args_list
-extend args_list spack_flags_other_args_list
 
 # Inject SPACK_LDLIBS, if supplied
 extend args_list libs_list "-l"
@@ -913,4 +814,3 @@ fi
 # Execute the full command, preserving spaces with IFS set
 # to the alarm bell separator.
 IFS="$lsep"; exec $full_command_list
-

lib/spack/external/__init__.py

@@ -18,7 +18,7 @@
 
 * Homepage: https://pypi.python.org/pypi/archspec
 * Usage: Labeling, comparison and detection of microarchitectures
-* Version: 0.2.5-dev (commit cbb1fd5eb397a70d466e5160b393b87b0dbcc78f)
+* Version: 0.2.0 (commit e44bad9c7b6defac73696f64078b2fe634719b62)
 
 astunparse
 ----------------
@@ -101,7 +101,10 @@
 * Usage: Used for config files. Ruamel is based on PyYAML but is more
   actively maintained and has more features, including round-tripping
   comments read from config files.
-* Version: 0.17.21
+* Version: 0.11.15 (last version supporting Python 2.6)
+* Note: This package has been slightly modified to improve Python 2.6
+  compatibility -- some ``{}`` format strings were replaced, and the
+  import for ``OrderedDict`` was tweaked.
 
 six
 ---

lib/spack/external/_vendoring/ruamel.pyi

@@ -1 +0,0 @@
-from ruamel import *

lib/spack/external/_vendoring/ruamel/yaml/__init__.py

@@ -1,57 +0,0 @@
-# coding: utf-8
-
-if False:  # MYPY
-    from typing import Dict, Any  # NOQA
-
-_package_data = dict(
-    full_package_name='ruamel.yaml',
-    version_info=(0, 17, 21),
-    __version__='0.17.21',
-    version_timestamp='2022-02-12 09:49:22',
-    author='Anthon van der Neut',
-    author_email='a.van.der.neut@ruamel.eu',
-    description='ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order',  # NOQA
-    entry_points=None,
-    since=2014,
-    extras_require={
-        ':platform_python_implementation=="CPython" and python_version<"3.11"': ['ruamel.yaml.clib>=0.2.6'],  # NOQA
-        'jinja2': ['ruamel.yaml.jinja2>=0.2'],
-        'docs': ['ryd'],
-    },
-    classifiers=[
-        'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: Implementation :: CPython',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-        'Topic :: Text Processing :: Markup',
-        'Typing :: Typed',
-    ],
-    keywords='yaml 1.2 parser round-trip preserve quotes order config',
-    read_the_docs='yaml',
-    supported=[(3, 5)],  # minimum
-    tox=dict(
-        env='*f',  # f for 3.5
-        fl8excl='_test/lib',
-    ),
-    # universal=True,
-    python_requires='>=3',
-    rtfd='yaml',
-)  # type: Dict[Any, Any]
-
-
-version_info = _package_data['version_info']
-__version__ = _package_data['__version__']
-
-try:
-    from .cyaml import *  # NOQA
-
-    __with_libyaml__ = True
-except (ImportError, ValueError):  # for Jython
-    __with_libyaml__ = False
-
-from ruamel.yaml.main import *  # NOQA

lib/spack/external/_vendoring/ruamel/yaml/anchor.py

@@ -1,20 +0,0 @@
-# coding: utf-8
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List, Union, Optional, Iterator  # NOQA
-
-anchor_attrib = '_yaml_anchor'
-
-
-class Anchor:
-    __slots__ = 'value', 'always_dump'
-    attrib = anchor_attrib
-
-    def __init__(self):
-        # type: () -> None
-        self.value = None
-        self.always_dump = False
-
-    def __repr__(self):
-        # type: () -> Any
-        ad = ', (always dump)' if self.always_dump else ""
-        return 'Anchor({!r}{})'.format(self.value, ad)

lib/spack/external/_vendoring/ruamel/yaml/compat.py

@@ -1,268 +0,0 @@
-# coding: utf-8
-
-# partially from package six by Benjamin Peterson
-
-import sys
-import os
-import io
-import traceback
-from abc import abstractmethod
-import collections.abc
-
-
-# fmt: off
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List, Union, BinaryIO, IO, Text, Tuple  # NOQA
-    from typing import Optional  # NOQA
-# fmt: on
-
-_DEFAULT_YAML_VERSION = (1, 2)
-
-try:
-    from collections import OrderedDict
-except ImportError:
-    from ordereddict import OrderedDict  # type: ignore
-
-    # to get the right name import ... as ordereddict doesn't do that
-
-
-class ordereddict(OrderedDict):  # type: ignore
-    if not hasattr(OrderedDict, 'insert'):
-
-        def insert(self, pos, key, value):
-            # type: (int, Any, Any) -> None
-            if pos >= len(self):
-                self[key] = value
-                return
-            od = ordereddict()
-            od.update(self)
-            for k in od:
-                del self[k]
-            for index, old_key in enumerate(od):
-                if pos == index:
-                    self[key] = value
-                self[old_key] = od[old_key]
-
-
-PY2 = sys.version_info[0] == 2
-PY3 = sys.version_info[0] == 3
-
-
-# replace with f-strings when 3.5 support is dropped
-# ft = '42'
-# assert _F('abc {ft!r}', ft=ft) == 'abc %r' % ft
-# 'abc %r' % ft -> _F('abc {ft!r}' -> f'abc {ft!r}'
-def _F(s, *superfluous, **kw):
-    # type: (Any, Any, Any) -> Any
-    if superfluous:
-        raise TypeError
-    return s.format(**kw)
-
-
-StringIO = io.StringIO
-BytesIO = io.BytesIO
-
-if False:  # MYPY
-    # StreamType = Union[BinaryIO, IO[str], IO[unicode],  StringIO]
-    # StreamType = Union[BinaryIO, IO[str], StringIO]  # type: ignore
-    StreamType = Any
-
-    StreamTextType = StreamType  # Union[Text, StreamType]
-    VersionType = Union[List[int], str, Tuple[int, int]]
-
-builtins_module = 'builtins'
-
-
-def with_metaclass(meta, *bases):
-    # type: (Any, Any) -> Any
-    """Create a base class with a metaclass."""
-    return meta('NewBase', bases, {})
-
-
-DBG_TOKEN = 1
-DBG_EVENT = 2
-DBG_NODE = 4
-
-
-_debug = None  # type: Optional[int]
-if 'RUAMELDEBUG' in os.environ:
-    _debugx = os.environ.get('RUAMELDEBUG')
-    if _debugx is None:
-        _debug = 0
-    else:
-        _debug = int(_debugx)
-
-
-if bool(_debug):
-
-    class ObjectCounter:
-        def __init__(self):
-            # type: () -> None
-            self.map = {}  # type: Dict[Any, Any]
-
-        def __call__(self, k):
-            # type: (Any) -> None
-            self.map[k] = self.map.get(k, 0) + 1
-
-        def dump(self):
-            # type: () -> None
-            for k in sorted(self.map):
-                sys.stdout.write('{} -> {}'.format(k, self.map[k]))
-
-    object_counter = ObjectCounter()
-
-
-# used from yaml util when testing
-def dbg(val=None):
-    # type: (Any) -> Any
-    global _debug
-    if _debug is None:
-        # set to true or false
-        _debugx = os.environ.get('YAMLDEBUG')
-        if _debugx is None:
-            _debug = 0
-        else:
-            _debug = int(_debugx)
-    if val is None:
-        return _debug
-    return _debug & val
-
-
-class Nprint:
-    def __init__(self, file_name=None):
-        # type: (Any) -> None
-        self._max_print = None  # type: Any
-        self._count = None  # type: Any
-        self._file_name = file_name
-
-    def __call__(self, *args, **kw):
-        # type: (Any, Any) -> None
-        if not bool(_debug):
-            return
-        out = sys.stdout if self._file_name is None else open(self._file_name, 'a')
-        dbgprint = print  # to fool checking for print statements by dv utility
-        kw1 = kw.copy()
-        kw1['file'] = out
-        dbgprint(*args, **kw1)
-        out.flush()
-        if self._max_print is not None:
-            if self._count is None:
-                self._count = self._max_print
-            self._count -= 1
-            if self._count == 0:
-                dbgprint('forced exit\n')
-                traceback.print_stack()
-                out.flush()
-                sys.exit(0)
-        if self._file_name:
-            out.close()
-
-    def set_max_print(self, i):
-        # type: (int) -> None
-        self._max_print = i
-        self._count = None
-
-    def fp(self, mode='a'):
-        # type: (str) -> Any
-        out = sys.stdout if self._file_name is None else open(self._file_name, mode)
-        return out
-
-
-nprint = Nprint()
-nprintf = Nprint('/var/tmp/ruamel.yaml.log')
-
-# char checkers following production rules
-
-
-def check_namespace_char(ch):
-    # type: (Any) -> bool
-    if '\x21' <= ch <= '\x7E':  # ! to ~
-        return True
-    if '\xA0' <= ch <= '\uD7FF':
-        return True
-    if ('\uE000' <= ch <= '\uFFFD') and ch != '\uFEFF':  # excl. byte order mark
-        return True
-    if '\U00010000' <= ch <= '\U0010FFFF':
-        return True
-    return False
-
-
-def check_anchorname_char(ch):
-    # type: (Any) -> bool
-    if ch in ',[]{}':
-        return False
-    return check_namespace_char(ch)
-
-
-def version_tnf(t1, t2=None):
-    # type: (Any, Any) -> Any
-    """
-    return True if ruamel.yaml version_info < t1, None if t2 is specified and bigger else False
-    """
-    from ruamel.yaml import version_info  # NOQA
-
-    if version_info < t1:
-        return True
-    if t2 is not None and version_info < t2:
-        return None
-    return False
-
-
-class MutableSliceableSequence(collections.abc.MutableSequence):  # type: ignore
-    __slots__ = ()
-
-    def __getitem__(self, index):
-        # type: (Any) -> Any
-        if not isinstance(index, slice):
-            return self.__getsingleitem__(index)
-        return type(self)([self[i] for i in range(*index.indices(len(self)))])  # type: ignore
-
-    def __setitem__(self, index, value):
-        # type: (Any, Any) -> None
-        if not isinstance(index, slice):
-            return self.__setsingleitem__(index, value)
-        assert iter(value)
-        # nprint(index.start, index.stop, index.step, index.indices(len(self)))
-        if index.step is None:
-            del self[index.start : index.stop]
-            for elem in reversed(value):
-                self.insert(0 if index.start is None else index.start, elem)
-        else:
-            range_parms = index.indices(len(self))
-            nr_assigned_items = (range_parms[1] - range_parms[0] - 1) // range_parms[2] + 1
-            # need to test before changing, in case TypeError is caught
-            if nr_assigned_items < len(value):
-                raise TypeError(
-                    'too many elements in value {} < {}'.format(nr_assigned_items, len(value))
-                )
-            elif nr_assigned_items > len(value):
-                raise TypeError(
-                    'not enough elements in value {} > {}'.format(
-                        nr_assigned_items, len(value)
-                    )
-                )
-            for idx, i in enumerate(range(*range_parms)):
-                self[i] = value[idx]
-
-    def __delitem__(self, index):
-        # type: (Any) -> None
-        if not isinstance(index, slice):
-            return self.__delsingleitem__(index)
-        # nprint(index.start, index.stop, index.step, index.indices(len(self)))
-        for i in reversed(range(*index.indices(len(self)))):
-            del self[i]
-
-    @abstractmethod
-    def __getsingleitem__(self, index):
-        # type: (Any) -> Any
-        raise IndexError
-
-    @abstractmethod
-    def __setsingleitem__(self, index, value):
-        # type: (Any, Any) -> None
-        raise IndexError
-
-    @abstractmethod
-    def __delsingleitem__(self, index):
-        # type: (Any) -> None
-        raise IndexError

lib/spack/external/_vendoring/ruamel/yaml/composer.py

@@ -1,243 +0,0 @@
-# coding: utf-8
-
-import warnings
-
-from ruamel.yaml.error import MarkedYAMLError, ReusedAnchorWarning
-from ruamel.yaml.compat import _F, nprint, nprintf  # NOQA
-
-from ruamel.yaml.events import (
-    StreamStartEvent,
-    StreamEndEvent,
-    MappingStartEvent,
-    MappingEndEvent,
-    SequenceStartEvent,
-    SequenceEndEvent,
-    AliasEvent,
-    ScalarEvent,
-)
-from ruamel.yaml.nodes import MappingNode, ScalarNode, SequenceNode
-
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List  # NOQA
-
-__all__ = ['Composer', 'ComposerError']
-
-
-class ComposerError(MarkedYAMLError):
-    pass
-
-
-class Composer:
-    def __init__(self, loader=None):
-        # type: (Any) -> None
-        self.loader = loader
-        if self.loader is not None and getattr(self.loader, '_composer', None) is None:
-            self.loader._composer = self
-        self.anchors = {}  # type: Dict[Any, Any]
-
-    @property
-    def parser(self):
-        # type: () -> Any
-        if hasattr(self.loader, 'typ'):
-            self.loader.parser
-        return self.loader._parser
-
-    @property
-    def resolver(self):
-        # type: () -> Any
-        # assert self.loader._resolver is not None
-        if hasattr(self.loader, 'typ'):
-            self.loader.resolver
-        return self.loader._resolver
-
-    def check_node(self):
-        # type: () -> Any
-        # Drop the STREAM-START event.
-        if self.parser.check_event(StreamStartEvent):
-            self.parser.get_event()
-
-        # If there are more documents available?
-        return not self.parser.check_event(StreamEndEvent)
-
-    def get_node(self):
-        # type: () -> Any
-        # Get the root node of the next document.
-        if not self.parser.check_event(StreamEndEvent):
-            return self.compose_document()
-
-    def get_single_node(self):
-        # type: () -> Any
-        # Drop the STREAM-START event.
-        self.parser.get_event()
-
-        # Compose a document if the stream is not empty.
-        document = None  # type: Any
-        if not self.parser.check_event(StreamEndEvent):
-            document = self.compose_document()
-
-        # Ensure that the stream contains no more documents.
-        if not self.parser.check_event(StreamEndEvent):
-            event = self.parser.get_event()
-            raise ComposerError(
-                'expected a single document in the stream',
-                document.start_mark,
-                'but found another document',
-                event.start_mark,
-            )
-
-        # Drop the STREAM-END event.
-        self.parser.get_event()
-
-        return document
-
-    def compose_document(self):
-        # type: (Any) -> Any
-        # Drop the DOCUMENT-START event.
-        self.parser.get_event()
-
-        # Compose the root node.
-        node = self.compose_node(None, None)
-
-        # Drop the DOCUMENT-END event.
-        self.parser.get_event()
-
-        self.anchors = {}
-        return node
-
-    def return_alias(self, a):
-        # type: (Any) -> Any
-        return a
-
-    def compose_node(self, parent, index):
-        # type: (Any, Any) -> Any
-        if self.parser.check_event(AliasEvent):
-            event = self.parser.get_event()
-            alias = event.anchor
-            if alias not in self.anchors:
-                raise ComposerError(
-                    None,
-                    None,
-                    _F('found undefined alias {alias!r}', alias=alias),
-                    event.start_mark,
-                )
-            return self.return_alias(self.anchors[alias])
-        event = self.parser.peek_event()
-        anchor = event.anchor
-        if anchor is not None:  # have an anchor
-            if anchor in self.anchors:
-                # raise ComposerError(
-                #     "found duplicate anchor %r; first occurrence"
-                #     % (anchor), self.anchors[anchor].start_mark,
-                #     "second occurrence", event.start_mark)
-                ws = (
-                    '\nfound duplicate anchor {!r}\nfirst occurrence {}\nsecond occurrence '
-                    '{}'.format((anchor), self.anchors[anchor].start_mark, event.start_mark)
-                )
-                warnings.warn(ws, ReusedAnchorWarning)
-        self.resolver.descend_resolver(parent, index)
-        if self.parser.check_event(ScalarEvent):
-            node = self.compose_scalar_node(anchor)
-        elif self.parser.check_event(SequenceStartEvent):
-            node = self.compose_sequence_node(anchor)
-        elif self.parser.check_event(MappingStartEvent):
-            node = self.compose_mapping_node(anchor)
-        self.resolver.ascend_resolver()
-        return node
-
-    def compose_scalar_node(self, anchor):
-        # type: (Any) -> Any
-        event = self.parser.get_event()
-        tag = event.tag
-        if tag is None or tag == '!':
-            tag = self.resolver.resolve(ScalarNode, event.value, event.implicit)
-        node = ScalarNode(
-            tag,
-            event.value,
-            event.start_mark,
-            event.end_mark,
-            style=event.style,
-            comment=event.comment,
-            anchor=anchor,
-        )
-        if anchor is not None:
-            self.anchors[anchor] = node
-        return node
-
-    def compose_sequence_node(self, anchor):
-        # type: (Any) -> Any
-        start_event = self.parser.get_event()
-        tag = start_event.tag
-        if tag is None or tag == '!':
-            tag = self.resolver.resolve(SequenceNode, None, start_event.implicit)
-        node = SequenceNode(
-            tag,
-            [],
-            start_event.start_mark,
-            None,
-            flow_style=start_event.flow_style,
-            comment=start_event.comment,
-            anchor=anchor,
-        )
-        if anchor is not None:
-            self.anchors[anchor] = node
-        index = 0
-        while not self.parser.check_event(SequenceEndEvent):
-            node.value.append(self.compose_node(node, index))
-            index += 1
-        end_event = self.parser.get_event()
-        if node.flow_style is True and end_event.comment is not None:
-            if node.comment is not None:
-                nprint(
-                    'Warning: unexpected end_event commment in sequence '
-                    'node {}'.format(node.flow_style)
-                )
-            node.comment = end_event.comment
-        node.end_mark = end_event.end_mark
-        self.check_end_doc_comment(end_event, node)
-        return node
-
-    def compose_mapping_node(self, anchor):
-        # type: (Any) -> Any
-        start_event = self.parser.get_event()
-        tag = start_event.tag
-        if tag is None or tag == '!':
-            tag = self.resolver.resolve(MappingNode, None, start_event.implicit)
-        node = MappingNode(
-            tag,
-            [],
-            start_event.start_mark,
-            None,
-            flow_style=start_event.flow_style,
-            comment=start_event.comment,
-            anchor=anchor,
-        )
-        if anchor is not None:
-            self.anchors[anchor] = node
-        while not self.parser.check_event(MappingEndEvent):
-            # key_event = self.parser.peek_event()
-            item_key = self.compose_node(node, None)
-            # if item_key in node.value:
-            #     raise ComposerError("while composing a mapping",
-            #             start_event.start_mark,
-            #             "found duplicate key", key_event.start_mark)
-            item_value = self.compose_node(node, item_key)
-            # node.value[item_key] = item_value
-            node.value.append((item_key, item_value))
-        end_event = self.parser.get_event()
-        if node.flow_style is True and end_event.comment is not None:
-            node.comment = end_event.comment
-        node.end_mark = end_event.end_mark
-        self.check_end_doc_comment(end_event, node)
-        return node
-
-    def check_end_doc_comment(self, end_event, node):
-        # type: (Any, Any) -> None
-        if end_event.comment and end_event.comment[1]:
-            # pre comments on an end_event, no following to move to
-            if node.comment is None:
-                node.comment = [None, None]
-            assert not isinstance(node, ScalarEvent)
-            # this is a post comment on a mapping node, add as third element
-            # in the list
-            node.comment.append(end_event.comment[1])
-            end_event.comment[1] = None

lib/spack/external/_vendoring/ruamel/yaml/configobjwalker.py

@@ -1,14 +0,0 @@
-# coding: utf-8
-
-import warnings
-
-from ruamel.yaml.util import configobj_walker as new_configobj_walker
-
-if False:  # MYPY
-    from typing import Any  # NOQA
-
-
-def configobj_walker(cfg):
-    # type: (Any) -> Any
-    warnings.warn('configobj_walker has moved to ruamel.yaml.util, please update your code')
-    return new_configobj_walker(cfg)

lib/spack/external/_vendoring/ruamel/yaml/cyaml.py

@@ -1,183 +0,0 @@
-# coding: utf-8
-
-from _ruamel_yaml import CParser, CEmitter  # type: ignore
-
-from ruamel.yaml.constructor import Constructor, BaseConstructor, SafeConstructor
-from ruamel.yaml.representer import Representer, SafeRepresenter, BaseRepresenter
-from ruamel.yaml.resolver import Resolver, BaseResolver
-
-if False:  # MYPY
-    from typing import Any, Union, Optional  # NOQA
-    from ruamel.yaml.compat import StreamTextType, StreamType, VersionType  # NOQA
-
-__all__ = ['CBaseLoader', 'CSafeLoader', 'CLoader', 'CBaseDumper', 'CSafeDumper', 'CDumper']
-
-
-# this includes some hacks to solve the  usage of resolver by lower level
-# parts of the parser
-
-
-class CBaseLoader(CParser, BaseConstructor, BaseResolver):  # type: ignore
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        CParser.__init__(self, stream)
-        self._parser = self._composer = self
-        BaseConstructor.__init__(self, loader=self)
-        BaseResolver.__init__(self, loadumper=self)
-        # self.descend_resolver = self._resolver.descend_resolver
-        # self.ascend_resolver = self._resolver.ascend_resolver
-        # self.resolve = self._resolver.resolve
-
-
-class CSafeLoader(CParser, SafeConstructor, Resolver):  # type: ignore
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        CParser.__init__(self, stream)
-        self._parser = self._composer = self
-        SafeConstructor.__init__(self, loader=self)
-        Resolver.__init__(self, loadumper=self)
-        # self.descend_resolver = self._resolver.descend_resolver
-        # self.ascend_resolver = self._resolver.ascend_resolver
-        # self.resolve = self._resolver.resolve
-
-
-class CLoader(CParser, Constructor, Resolver):  # type: ignore
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        CParser.__init__(self, stream)
-        self._parser = self._composer = self
-        Constructor.__init__(self, loader=self)
-        Resolver.__init__(self, loadumper=self)
-        # self.descend_resolver = self._resolver.descend_resolver
-        # self.ascend_resolver = self._resolver.ascend_resolver
-        # self.resolve = self._resolver.resolve
-
-
-class CBaseDumper(CEmitter, BaseRepresenter, BaseResolver):  # type: ignore
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
-        CEmitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            encoding=encoding,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-        )
-        self._emitter = self._serializer = self._representer = self
-        BaseRepresenter.__init__(
-            self,
-            default_style=default_style,
-            default_flow_style=default_flow_style,
-            dumper=self,
-        )
-        BaseResolver.__init__(self, loadumper=self)
-
-
-class CSafeDumper(CEmitter, SafeRepresenter, Resolver):  # type: ignore
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
-        self._emitter = self._serializer = self._representer = self
-        CEmitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            encoding=encoding,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-        )
-        self._emitter = self._serializer = self._representer = self
-        SafeRepresenter.__init__(
-            self, default_style=default_style, default_flow_style=default_flow_style
-        )
-        Resolver.__init__(self)
-
-
-class CDumper(CEmitter, Representer, Resolver):  # type: ignore
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
-        CEmitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            encoding=encoding,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-        )
-        self._emitter = self._serializer = self._representer = self
-        Representer.__init__(
-            self, default_style=default_style, default_flow_style=default_flow_style
-        )
-        Resolver.__init__(self)

lib/spack/external/_vendoring/ruamel/yaml/dumper.py

@@ -1,219 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.emitter import Emitter
-from ruamel.yaml.serializer import Serializer
-from ruamel.yaml.representer import (
-    Representer,
-    SafeRepresenter,
-    BaseRepresenter,
-    RoundTripRepresenter,
-)
-from ruamel.yaml.resolver import Resolver, BaseResolver, VersionedResolver
-
-if False:  # MYPY
-    from typing import Any, Dict, List, Union, Optional  # NOQA
-    from ruamel.yaml.compat import StreamType, VersionType  # NOQA
-
-__all__ = ['BaseDumper', 'SafeDumper', 'Dumper', 'RoundTripDumper']
-
-
-class BaseDumper(Emitter, Serializer, BaseRepresenter, BaseResolver):
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (Any, StreamType, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
-        Emitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            block_seq_indent=block_seq_indent,
-            dumper=self,
-        )
-        Serializer.__init__(
-            self,
-            encoding=encoding,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-            dumper=self,
-        )
-        BaseRepresenter.__init__(
-            self,
-            default_style=default_style,
-            default_flow_style=default_flow_style,
-            dumper=self,
-        )
-        BaseResolver.__init__(self, loadumper=self)
-
-
-class SafeDumper(Emitter, Serializer, SafeRepresenter, Resolver):
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None  # NOQA
-        Emitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            block_seq_indent=block_seq_indent,
-            dumper=self,
-        )
-        Serializer.__init__(
-            self,
-            encoding=encoding,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-            dumper=self,
-        )
-        SafeRepresenter.__init__(
-            self,
-            default_style=default_style,
-            default_flow_style=default_flow_style,
-            dumper=self,
-        )
-        Resolver.__init__(self, loadumper=self)
-
-
-class Dumper(Emitter, Serializer, Representer, Resolver):
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
-        Emitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            block_seq_indent=block_seq_indent,
-            dumper=self,
-        )
-        Serializer.__init__(
-            self,
-            encoding=encoding,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-            dumper=self,
-        )
-        Representer.__init__(
-            self,
-            default_style=default_style,
-            default_flow_style=default_flow_style,
-            dumper=self,
-        )
-        Resolver.__init__(self, loadumper=self)
-
-
-class RoundTripDumper(Emitter, Serializer, RoundTripRepresenter, VersionedResolver):
-    def __init__(
-        self,
-        stream,
-        default_style=None,
-        default_flow_style=None,
-        canonical=None,
-        indent=None,
-        width=None,
-        allow_unicode=None,
-        line_break=None,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        block_seq_indent=None,
-        top_level_colon_align=None,
-        prefix_colon=None,
-    ):
-        # type: (StreamType, Any, Optional[bool], Optional[int], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None  # NOQA
-        Emitter.__init__(
-            self,
-            stream,
-            canonical=canonical,
-            indent=indent,
-            width=width,
-            allow_unicode=allow_unicode,
-            line_break=line_break,
-            block_seq_indent=block_seq_indent,
-            top_level_colon_align=top_level_colon_align,
-            prefix_colon=prefix_colon,
-            dumper=self,
-        )
-        Serializer.__init__(
-            self,
-            encoding=encoding,
-            explicit_start=explicit_start,
-            explicit_end=explicit_end,
-            version=version,
-            tags=tags,
-            dumper=self,
-        )
-        RoundTripRepresenter.__init__(
-            self,
-            default_style=default_style,
-            default_flow_style=default_flow_style,
-            dumper=self,
-        )
-        VersionedResolver.__init__(self, loader=self)

lib/spack/external/_vendoring/ruamel/yaml/error.py

@@ -1,332 +0,0 @@
-# coding: utf-8
-
-import warnings
-import textwrap
-
-from ruamel.yaml.compat import _F
-
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List, Text  # NOQA
-
-
-__all__ = [
-    'FileMark',
-    'StringMark',
-    'CommentMark',
-    'YAMLError',
-    'MarkedYAMLError',
-    'ReusedAnchorWarning',
-    'UnsafeLoaderWarning',
-    'MarkedYAMLWarning',
-    'MarkedYAMLFutureWarning',
-]
-
-
-class StreamMark:
-    __slots__ = 'name', 'index', 'line', 'column'
-
-    def __init__(self, name, index, line, column):
-        # type: (Any, int, int, int) -> None
-        self.name = name
-        self.index = index
-        self.line = line
-        self.column = column
-
-    def __str__(self):
-        # type: () -> Any
-        where = _F(
-            '  in "{sname!s}", line {sline1:d}, column {scolumn1:d}',
-            sname=self.name,
-            sline1=self.line + 1,
-            scolumn1=self.column + 1,
-        )
-        return where
-
-    def __eq__(self, other):
-        # type: (Any) -> bool
-        if self.line != other.line or self.column != other.column:
-            return False
-        if self.name != other.name or self.index != other.index:
-            return False
-        return True
-
-    def __ne__(self, other):
-        # type: (Any) -> bool
-        return not self.__eq__(other)
-
-
-class FileMark(StreamMark):
-    __slots__ = ()
-
-
-class StringMark(StreamMark):
-    __slots__ = 'name', 'index', 'line', 'column', 'buffer', 'pointer'
-
-    def __init__(self, name, index, line, column, buffer, pointer):
-        # type: (Any, int, int, int, Any, Any) -> None
-        StreamMark.__init__(self, name, index, line, column)
-        self.buffer = buffer
-        self.pointer = pointer
-
-    def get_snippet(self, indent=4, max_length=75):
-        # type: (int, int) -> Any
-        if self.buffer is None:  # always False
-            return None
-        head = ""
-        start = self.pointer
-        while start > 0 and self.buffer[start - 1] not in '\0\r\n\x85\u2028\u2029':
-            start -= 1
-            if self.pointer - start > max_length / 2 - 1:
-                head = ' ... '
-                start += 5
-                break
-        tail = ""
-        end = self.pointer
-        while end < len(self.buffer) and self.buffer[end] not in '\0\r\n\x85\u2028\u2029':
-            end += 1
-            if end - self.pointer > max_length / 2 - 1:
-                tail = ' ... '
-                end -= 5
-                break
-        snippet = self.buffer[start:end]
-        caret = '^'
-        caret = '^ (line: {})'.format(self.line + 1)
-        return (
-            ' ' * indent
-            + head
-            + snippet
-            + tail
-            + '\n'
-            + ' ' * (indent + self.pointer - start + len(head))
-            + caret
-        )
-
-    def __str__(self):
-        # type: () -> Any
-        snippet = self.get_snippet()
-        where = _F(
-            '  in "{sname!s}", line {sline1:d}, column {scolumn1:d}',
-            sname=self.name,
-            sline1=self.line + 1,
-            scolumn1=self.column + 1,
-        )
-        if snippet is not None:
-            where += ':\n' + snippet
-        return where
-
-    def __repr__(self):
-        # type: () -> Any
-        snippet = self.get_snippet()
-        where = _F(
-            '  in "{sname!s}", line {sline1:d}, column {scolumn1:d}',
-            sname=self.name,
-            sline1=self.line + 1,
-            scolumn1=self.column + 1,
-        )
-        if snippet is not None:
-            where += ':\n' + snippet
-        return where
-
-
-class CommentMark:
-    __slots__ = ('column',)
-
-    def __init__(self, column):
-        # type: (Any) -> None
-        self.column = column
-
-
-class YAMLError(Exception):
-    pass
-
-
-class MarkedYAMLError(YAMLError):
-    def __init__(
-        self,
-        context=None,
-        context_mark=None,
-        problem=None,
-        problem_mark=None,
-        note=None,
-        warn=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any) -> None
-        self.context = context
-        self.context_mark = context_mark
-        self.problem = problem
-        self.problem_mark = problem_mark
-        self.note = note
-        # warn is ignored
-
-    def __str__(self):
-        # type: () -> Any
-        lines = []  # type: List[str]
-        if self.context is not None:
-            lines.append(self.context)
-        if self.context_mark is not None and (
-            self.problem is None
-            or self.problem_mark is None
-            or self.context_mark.name != self.problem_mark.name
-            or self.context_mark.line != self.problem_mark.line
-            or self.context_mark.column != self.problem_mark.column
-        ):
-            lines.append(str(self.context_mark))
-        if self.problem is not None:
-            lines.append(self.problem)
-        if self.problem_mark is not None:
-            lines.append(str(self.problem_mark))
-        if self.note is not None and self.note:
-            note = textwrap.dedent(self.note)
-            lines.append(note)
-        return '\n'.join(lines)
-
-
-class YAMLStreamError(Exception):
-    pass
-
-
-class YAMLWarning(Warning):
-    pass
-
-
-class MarkedYAMLWarning(YAMLWarning):
-    def __init__(
-        self,
-        context=None,
-        context_mark=None,
-        problem=None,
-        problem_mark=None,
-        note=None,
-        warn=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any) -> None
-        self.context = context
-        self.context_mark = context_mark
-        self.problem = problem
-        self.problem_mark = problem_mark
-        self.note = note
-        self.warn = warn
-
-    def __str__(self):
-        # type: () -> Any
-        lines = []  # type: List[str]
-        if self.context is not None:
-            lines.append(self.context)
-        if self.context_mark is not None and (
-            self.problem is None
-            or self.problem_mark is None
-            or self.context_mark.name != self.problem_mark.name
-            or self.context_mark.line != self.problem_mark.line
-            or self.context_mark.column != self.problem_mark.column
-        ):
-            lines.append(str(self.context_mark))
-        if self.problem is not None:
-            lines.append(self.problem)
-        if self.problem_mark is not None:
-            lines.append(str(self.problem_mark))
-        if self.note is not None and self.note:
-            note = textwrap.dedent(self.note)
-            lines.append(note)
-        if self.warn is not None and self.warn:
-            warn = textwrap.dedent(self.warn)
-            lines.append(warn)
-        return '\n'.join(lines)
-
-
-class ReusedAnchorWarning(YAMLWarning):
-    pass
-
-
-class UnsafeLoaderWarning(YAMLWarning):
-    text = """
-The default 'Loader' for 'load(stream)' without further arguments can be unsafe.
-Use 'load(stream, Loader=ruamel.yaml.Loader)' explicitly if that is OK.
-Alternatively include the following in your code:
-
-  import warnings
-  warnings.simplefilter('ignore', ruamel.yaml.error.UnsafeLoaderWarning)
-
-In most other cases you should consider using 'safe_load(stream)'"""
-    pass
-
-
-warnings.simplefilter('once', UnsafeLoaderWarning)
-
-
-class MantissaNoDotYAML1_1Warning(YAMLWarning):
-    def __init__(self, node, flt_str):
-        # type: (Any, Any) -> None
-        self.node = node
-        self.flt = flt_str
-
-    def __str__(self):
-        # type: () -> Any
-        line = self.node.start_mark.line
-        col = self.node.start_mark.column
-        return """
-In YAML 1.1 floating point values should have a dot ('.') in their mantissa.
-See the Floating-Point Language-Independent Type for YAML™ Version 1.1 specification
-( http://yaml.org/type/float.html ). This dot is not required for JSON nor for YAML 1.2
-
-Correct your float: "{}" on line: {}, column: {}
-
-or alternatively include the following in your code:
-
-  import warnings
-  warnings.simplefilter('ignore', ruamel.yaml.error.MantissaNoDotYAML1_1Warning)
-
-""".format(
-            self.flt, line, col
-        )
-
-
-warnings.simplefilter('once', MantissaNoDotYAML1_1Warning)
-
-
-class YAMLFutureWarning(Warning):
-    pass
-
-
-class MarkedYAMLFutureWarning(YAMLFutureWarning):
-    def __init__(
-        self,
-        context=None,
-        context_mark=None,
-        problem=None,
-        problem_mark=None,
-        note=None,
-        warn=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any) -> None
-        self.context = context
-        self.context_mark = context_mark
-        self.problem = problem
-        self.problem_mark = problem_mark
-        self.note = note
-        self.warn = warn
-
-    def __str__(self):
-        # type: () -> Any
-        lines = []  # type: List[str]
-        if self.context is not None:
-            lines.append(self.context)
-
-        if self.context_mark is not None and (
-            self.problem is None
-            or self.problem_mark is None
-            or self.context_mark.name != self.problem_mark.name
-            or self.context_mark.line != self.problem_mark.line
-            or self.context_mark.column != self.problem_mark.column
-        ):
-            lines.append(str(self.context_mark))
-        if self.problem is not None:
-            lines.append(self.problem)
-        if self.problem_mark is not None:
-            lines.append(str(self.problem_mark))
-        if self.note is not None and self.note:
-            note = textwrap.dedent(self.note)
-            lines.append(note)
-        if self.warn is not None and self.warn:
-            warn = textwrap.dedent(self.warn)
-            lines.append(warn)
-        return '\n'.join(lines)

lib/spack/external/_vendoring/ruamel/yaml/events.py

@@ -1,196 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.compat import _F
-
-# Abstract classes.
-
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List  # NOQA
-
-SHOW_LINES = False
-
-
-def CommentCheck():
-    # type: () -> None
-    pass
-
-
-class Event:
-    __slots__ = 'start_mark', 'end_mark', 'comment'
-
-    def __init__(self, start_mark=None, end_mark=None, comment=CommentCheck):
-        # type: (Any, Any, Any) -> None
-        self.start_mark = start_mark
-        self.end_mark = end_mark
-        # assert comment is not CommentCheck
-        if comment is CommentCheck:
-            comment = None
-        self.comment = comment
-
-    def __repr__(self):
-        # type: () -> Any
-        if True:
-            arguments = []
-            if hasattr(self, 'value'):
-                # if you use repr(getattr(self, 'value')) then flake8 complains about
-                # abuse of getattr with a constant. When you change to self.value
-                # then mypy throws an error
-                arguments.append(repr(self.value))  # type: ignore
-            for key in ['anchor', 'tag', 'implicit', 'flow_style', 'style']:
-                v = getattr(self, key, None)
-                if v is not None:
-                    arguments.append(_F('{key!s}={v!r}', key=key, v=v))
-            if self.comment not in [None, CommentCheck]:
-                arguments.append('comment={!r}'.format(self.comment))
-            if SHOW_LINES:
-                arguments.append(
-                    '({}:{}/{}:{})'.format(
-                        self.start_mark.line,
-                        self.start_mark.column,
-                        self.end_mark.line,
-                        self.end_mark.column,
-                    )
-                )
-            arguments = ', '.join(arguments)  # type: ignore
-        else:
-            attributes = [
-                key
-                for key in ['anchor', 'tag', 'implicit', 'value', 'flow_style', 'style']
-                if hasattr(self, key)
-            ]
-            arguments = ', '.join(
-                [_F('{k!s}={attr!r}', k=key, attr=getattr(self, key)) for key in attributes]
-            )
-            if self.comment not in [None, CommentCheck]:
-                arguments += ', comment={!r}'.format(self.comment)
-        return _F(
-            '{self_class_name!s}({arguments!s})',
-            self_class_name=self.__class__.__name__,
-            arguments=arguments,
-        )
-
-
-class NodeEvent(Event):
-    __slots__ = ('anchor',)
-
-    def __init__(self, anchor, start_mark=None, end_mark=None, comment=None):
-        # type: (Any, Any, Any, Any) -> None
-        Event.__init__(self, start_mark, end_mark, comment)
-        self.anchor = anchor
-
-
-class CollectionStartEvent(NodeEvent):
-    __slots__ = 'tag', 'implicit', 'flow_style', 'nr_items'
-
-    def __init__(
-        self,
-        anchor,
-        tag,
-        implicit,
-        start_mark=None,
-        end_mark=None,
-        flow_style=None,
-        comment=None,
-        nr_items=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any, Any, Optional[int]) -> None
-        NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
-        self.tag = tag
-        self.implicit = implicit
-        self.flow_style = flow_style
-        self.nr_items = nr_items
-
-
-class CollectionEndEvent(Event):
-    __slots__ = ()
-
-
-# Implementations.
-
-
-class StreamStartEvent(Event):
-    __slots__ = ('encoding',)
-
-    def __init__(self, start_mark=None, end_mark=None, encoding=None, comment=None):
-        # type: (Any, Any, Any, Any) -> None
-        Event.__init__(self, start_mark, end_mark, comment)
-        self.encoding = encoding
-
-
-class StreamEndEvent(Event):
-    __slots__ = ()
-
-
-class DocumentStartEvent(Event):
-    __slots__ = 'explicit', 'version', 'tags'
-
-    def __init__(
-        self,
-        start_mark=None,
-        end_mark=None,
-        explicit=None,
-        version=None,
-        tags=None,
-        comment=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any) -> None
-        Event.__init__(self, start_mark, end_mark, comment)
-        self.explicit = explicit
-        self.version = version
-        self.tags = tags
-
-
-class DocumentEndEvent(Event):
-    __slots__ = ('explicit',)
-
-    def __init__(self, start_mark=None, end_mark=None, explicit=None, comment=None):
-        # type: (Any, Any, Any, Any) -> None
-        Event.__init__(self, start_mark, end_mark, comment)
-        self.explicit = explicit
-
-
-class AliasEvent(NodeEvent):
-    __slots__ = 'style'
-
-    def __init__(self, anchor, start_mark=None, end_mark=None, style=None, comment=None):
-        # type: (Any, Any, Any, Any, Any) -> None
-        NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
-        self.style = style
-
-
-class ScalarEvent(NodeEvent):
-    __slots__ = 'tag', 'implicit', 'value', 'style'
-
-    def __init__(
-        self,
-        anchor,
-        tag,
-        implicit,
-        value,
-        start_mark=None,
-        end_mark=None,
-        style=None,
-        comment=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any, Any, Any) -> None
-        NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
-        self.tag = tag
-        self.implicit = implicit
-        self.value = value
-        self.style = style
-
-
-class SequenceStartEvent(CollectionStartEvent):
-    __slots__ = ()
-
-
-class SequenceEndEvent(CollectionEndEvent):
-    __slots__ = ()
-
-
-class MappingStartEvent(CollectionStartEvent):
-    __slots__ = ()
-
-
-class MappingEndEvent(CollectionEndEvent):
-    __slots__ = ()

lib/spack/external/_vendoring/ruamel/yaml/loader.py

@@ -1,75 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.reader import Reader
-from ruamel.yaml.scanner import Scanner, RoundTripScanner
-from ruamel.yaml.parser import Parser, RoundTripParser
-from ruamel.yaml.composer import Composer
-from ruamel.yaml.constructor import (
-    BaseConstructor,
-    SafeConstructor,
-    Constructor,
-    RoundTripConstructor,
-)
-from ruamel.yaml.resolver import VersionedResolver
-
-if False:  # MYPY
-    from typing import Any, Dict, List, Union, Optional  # NOQA
-    from ruamel.yaml.compat import StreamTextType, VersionType  # NOQA
-
-__all__ = ['BaseLoader', 'SafeLoader', 'Loader', 'RoundTripLoader']
-
-
-class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, VersionedResolver):
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        self.comment_handling = None
-        Reader.__init__(self, stream, loader=self)
-        Scanner.__init__(self, loader=self)
-        Parser.__init__(self, loader=self)
-        Composer.__init__(self, loader=self)
-        BaseConstructor.__init__(self, loader=self)
-        VersionedResolver.__init__(self, version, loader=self)
-
-
-class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, VersionedResolver):
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        self.comment_handling = None
-        Reader.__init__(self, stream, loader=self)
-        Scanner.__init__(self, loader=self)
-        Parser.__init__(self, loader=self)
-        Composer.__init__(self, loader=self)
-        SafeConstructor.__init__(self, loader=self)
-        VersionedResolver.__init__(self, version, loader=self)
-
-
-class Loader(Reader, Scanner, Parser, Composer, Constructor, VersionedResolver):
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        self.comment_handling = None
-        Reader.__init__(self, stream, loader=self)
-        Scanner.__init__(self, loader=self)
-        Parser.__init__(self, loader=self)
-        Composer.__init__(self, loader=self)
-        Constructor.__init__(self, loader=self)
-        VersionedResolver.__init__(self, version, loader=self)
-
-
-class RoundTripLoader(
-    Reader,
-    RoundTripScanner,
-    RoundTripParser,
-    Composer,
-    RoundTripConstructor,
-    VersionedResolver,
-):
-    def __init__(self, stream, version=None, preserve_quotes=None):
-        # type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
-        # self.reader = Reader.__init__(self, stream)
-        self.comment_handling = None  # issue 385
-        Reader.__init__(self, stream, loader=self)
-        RoundTripScanner.__init__(self, loader=self)
-        RoundTripParser.__init__(self, loader=self)
-        Composer.__init__(self, loader=self)
-        RoundTripConstructor.__init__(self, preserve_quotes=preserve_quotes, loader=self)
-        VersionedResolver.__init__(self, version, loader=self)

lib/spack/external/_vendoring/ruamel/yaml/nodes.py

@@ -1,135 +0,0 @@
-# coding: utf-8
-
-import sys
-
-from ruamel.yaml.compat import _F
-
-if False:  # MYPY
-    from typing import Dict, Any, Text  # NOQA
-
-
-class Node:
-    __slots__ = 'tag', 'value', 'start_mark', 'end_mark', 'comment', 'anchor'
-
-    def __init__(self, tag, value, start_mark, end_mark, comment=None, anchor=None):
-        # type: (Any, Any, Any, Any, Any, Any) -> None
-        self.tag = tag
-        self.value = value
-        self.start_mark = start_mark
-        self.end_mark = end_mark
-        self.comment = comment
-        self.anchor = anchor
-
-    def __repr__(self):
-        # type: () -> Any
-        value = self.value
-        # if isinstance(value, list):
-        #     if len(value) == 0:
-        #         value = '<empty>'
-        #     elif len(value) == 1:
-        #         value = '<1 item>'
-        #     else:
-        #         value = f'<{len(value)} items>'
-        # else:
-        #     if len(value) > 75:
-        #         value = repr(value[:70]+' ... ')
-        #     else:
-        #         value = repr(value)
-        value = repr(value)
-        return _F(
-            '{class_name!s}(tag={self_tag!r}, value={value!s})',
-            class_name=self.__class__.__name__,
-            self_tag=self.tag,
-            value=value,
-        )
-
-    def dump(self, indent=0):
-        # type: (int) -> None
-        if isinstance(self.value, str):
-            sys.stdout.write(
-                '{}{}(tag={!r}, value={!r})\n'.format(
-                    '  ' * indent, self.__class__.__name__, self.tag, self.value
-                )
-            )
-            if self.comment:
-                sys.stdout.write('    {}comment: {})\n'.format('  ' * indent, self.comment))
-            return
-        sys.stdout.write(
-            '{}{}(tag={!r})\n'.format('  ' * indent, self.__class__.__name__, self.tag)
-        )
-        if self.comment:
-            sys.stdout.write('    {}comment: {})\n'.format('  ' * indent, self.comment))
-        for v in self.value:
-            if isinstance(v, tuple):
-                for v1 in v:
-                    v1.dump(indent + 1)
-            elif isinstance(v, Node):
-                v.dump(indent + 1)
-            else:
-                sys.stdout.write('Node value type? {}\n'.format(type(v)))
-
-
-class ScalarNode(Node):
-    """
-    styles:
-      ? -> set() ? key, no value
-      " -> double quoted
-      ' -> single quoted
-      | -> literal style
-      > -> folding style
-    """
-
-    __slots__ = ('style',)
-    id = 'scalar'
-
-    def __init__(
-        self, tag, value, start_mark=None, end_mark=None, style=None, comment=None, anchor=None
-    ):
-        # type: (Any, Any, Any, Any, Any, Any, Any) -> None
-        Node.__init__(self, tag, value, start_mark, end_mark, comment=comment, anchor=anchor)
-        self.style = style
-
-
-class CollectionNode(Node):
-    __slots__ = ('flow_style',)
-
-    def __init__(
-        self,
-        tag,
-        value,
-        start_mark=None,
-        end_mark=None,
-        flow_style=None,
-        comment=None,
-        anchor=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any, Any) -> None
-        Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
-        self.flow_style = flow_style
-        self.anchor = anchor
-
-
-class SequenceNode(CollectionNode):
-    __slots__ = ()
-    id = 'sequence'
-
-
-class MappingNode(CollectionNode):
-    __slots__ = ('merge',)
-    id = 'mapping'
-
-    def __init__(
-        self,
-        tag,
-        value,
-        start_mark=None,
-        end_mark=None,
-        flow_style=None,
-        comment=None,
-        anchor=None,
-    ):
-        # type: (Any, Any, Any, Any, Any, Any, Any) -> None
-        CollectionNode.__init__(
-            self, tag, value, start_mark, end_mark, flow_style, comment, anchor
-        )
-        self.merge = None

lib/spack/external/_vendoring/ruamel/yaml/parser.py

@@ -1,884 +0,0 @@
-# coding: utf-8
-
-# The following YAML grammar is LL(1) and is parsed by a recursive descent
-# parser.
-#
-# stream            ::= STREAM-START implicit_document? explicit_document*
-#                                                                   STREAM-END
-# implicit_document ::= block_node DOCUMENT-END*
-# explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
-# block_node_or_indentless_sequence ::=
-#                       ALIAS
-#                       | properties (block_content |
-#                                                   indentless_block_sequence)?
-#                       | block_content
-#                       | indentless_block_sequence
-# block_node        ::= ALIAS
-#                       | properties block_content?
-#                       | block_content
-# flow_node         ::= ALIAS
-#                       | properties flow_content?
-#                       | flow_content
-# properties        ::= TAG ANCHOR? | ANCHOR TAG?
-# block_content     ::= block_collection | flow_collection | SCALAR
-# flow_content      ::= flow_collection | SCALAR
-# block_collection  ::= block_sequence | block_mapping
-# flow_collection   ::= flow_sequence | flow_mapping
-# block_sequence    ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)*
-#                                                                   BLOCK-END
-# indentless_sequence   ::= (BLOCK-ENTRY block_node?)+
-# block_mapping     ::= BLOCK-MAPPING_START
-#                       ((KEY block_node_or_indentless_sequence?)?
-#                       (VALUE block_node_or_indentless_sequence?)?)*
-#                       BLOCK-END
-# flow_sequence     ::= FLOW-SEQUENCE-START
-#                       (flow_sequence_entry FLOW-ENTRY)*
-#                       flow_sequence_entry?
-#                       FLOW-SEQUENCE-END
-# flow_sequence_entry   ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-# flow_mapping      ::= FLOW-MAPPING-START
-#                       (flow_mapping_entry FLOW-ENTRY)*
-#                       flow_mapping_entry?
-#                       FLOW-MAPPING-END
-# flow_mapping_entry    ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-#
-# FIRST sets:
-#
-# stream: { STREAM-START <}
-# explicit_document: { DIRECTIVE DOCUMENT-START }
-# implicit_document: FIRST(block_node)
-# block_node: { ALIAS TAG ANCHOR SCALAR BLOCK-SEQUENCE-START
-#                  BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# flow_node: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# block_content: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START
-#                               FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR }
-# flow_content: { FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR }
-# block_collection: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START }
-# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# block_sequence: { BLOCK-SEQUENCE-START }
-# block_mapping: { BLOCK-MAPPING-START }
-# block_node_or_indentless_sequence: { ALIAS ANCHOR TAG SCALAR
-#               BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START
-#               FLOW-MAPPING-START BLOCK-ENTRY }
-# indentless_sequence: { ENTRY }
-# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# flow_sequence: { FLOW-SEQUENCE-START }
-# flow_mapping: { FLOW-MAPPING-START }
-# flow_sequence_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START
-#                                                    FLOW-MAPPING-START KEY }
-# flow_mapping_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START
-#                                                    FLOW-MAPPING-START KEY }
-
-# need to have full path with import, as pkg_resources tries to load parser.py in __init__.py
-# only to not do anything with the package afterwards
-# and for Jython too
-
-
-from ruamel.yaml.error import MarkedYAMLError
-from ruamel.yaml.tokens import *  # NOQA
-from ruamel.yaml.events import *  # NOQA
-from ruamel.yaml.scanner import Scanner, RoundTripScanner, ScannerError  # NOQA
-from ruamel.yaml.scanner import BlankLineComment
-from ruamel.yaml.comments import C_PRE, C_POST, C_SPLIT_ON_FIRST_BLANK
-from ruamel.yaml.compat import _F, nprint, nprintf  # NOQA
-
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List, Optional  # NOQA
-
-__all__ = ['Parser', 'RoundTripParser', 'ParserError']
-
-
-def xprintf(*args, **kw):
-    # type: (Any, Any) -> Any
-    return nprintf(*args, **kw)
-    pass
-
-
-class ParserError(MarkedYAMLError):
-    pass
-
-
-class Parser:
-    # Since writing a recursive-descendant parser is a straightforward task, we
-    # do not give many comments here.
-
-    DEFAULT_TAGS = {'!': '!', '!!': 'tag:yaml.org,2002:'}
-
-    def __init__(self, loader):
-        # type: (Any) -> None
-        self.loader = loader
-        if self.loader is not None and getattr(self.loader, '_parser', None) is None:
-            self.loader._parser = self
-        self.reset_parser()
-
-    def reset_parser(self):
-        # type: () -> None
-        # Reset the state attributes (to clear self-references)
-        self.current_event = self.last_event = None
-        self.tag_handles = {}  # type: Dict[Any, Any]
-        self.states = []  # type: List[Any]
-        self.marks = []  # type: List[Any]
-        self.state = self.parse_stream_start  # type: Any
-
-    def dispose(self):
-        # type: () -> None
-        self.reset_parser()
-
-    @property
-    def scanner(self):
-        # type: () -> Any
-        if hasattr(self.loader, 'typ'):
-            return self.loader.scanner
-        return self.loader._scanner
-
-    @property
-    def resolver(self):
-        # type: () -> Any
-        if hasattr(self.loader, 'typ'):
-            return self.loader.resolver
-        return self.loader._resolver
-
-    def check_event(self, *choices):
-        # type: (Any) -> bool
-        # Check the type of the next event.
-        if self.current_event is None:
-            if self.state:
-                self.current_event = self.state()
-        if self.current_event is not None:
-            if not choices:
-                return True
-            for choice in choices:
-                if isinstance(self.current_event, choice):
-                    return True
-        return False
-
-    def peek_event(self):
-        # type: () -> Any
-        # Get the next event.
-        if self.current_event is None:
-            if self.state:
-                self.current_event = self.state()
-        return self.current_event
-
-    def get_event(self):
-        # type: () -> Any
-        # Get the next event and proceed further.
-        if self.current_event is None:
-            if self.state:
-                self.current_event = self.state()
-        # assert self.current_event is not None
-        # if self.current_event.end_mark.line != self.peek_event().start_mark.line:
-        xprintf('get_event', repr(self.current_event), self.peek_event().start_mark.line)
-        self.last_event = value = self.current_event
-        self.current_event = None
-        return value
-
-    # stream    ::= STREAM-START implicit_document? explicit_document*
-    #                                                               STREAM-END
-    # implicit_document ::= block_node DOCUMENT-END*
-    # explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
-
-    def parse_stream_start(self):
-        # type: () -> Any
-        # Parse the stream start.
-        token = self.scanner.get_token()
-        self.move_token_comment(token)
-        event = StreamStartEvent(token.start_mark, token.end_mark, encoding=token.encoding)
-
-        # Prepare the next state.
-        self.state = self.parse_implicit_document_start
-
-        return event
-
-    def parse_implicit_document_start(self):
-        # type: () -> Any
-        # Parse an implicit document.
-        if not self.scanner.check_token(DirectiveToken, DocumentStartToken, StreamEndToken):
-            self.tag_handles = self.DEFAULT_TAGS
-            token = self.scanner.peek_token()
-            start_mark = end_mark = token.start_mark
-            event = DocumentStartEvent(start_mark, end_mark, explicit=False)
-
-            # Prepare the next state.
-            self.states.append(self.parse_document_end)
-            self.state = self.parse_block_node
-
-            return event
-
-        else:
-            return self.parse_document_start()
-
-    def parse_document_start(self):
-        # type: () -> Any
-        # Parse any extra document end indicators.
-        while self.scanner.check_token(DocumentEndToken):
-            self.scanner.get_token()
-        # Parse an explicit document.
-        if not self.scanner.check_token(StreamEndToken):
-            version, tags = self.process_directives()
-            if not self.scanner.check_token(DocumentStartToken):
-                raise ParserError(
-                    None,
-                    None,
-                    _F(
-                        "expected '<document start>', but found {pt!r}",
-                        pt=self.scanner.peek_token().id,
-                    ),
-                    self.scanner.peek_token().start_mark,
-                )
-            token = self.scanner.get_token()
-            start_mark = token.start_mark
-            end_mark = token.end_mark
-            # if self.loader is not None and \
-            #    end_mark.line != self.scanner.peek_token().start_mark.line:
-            #     self.loader.scalar_after_indicator = False
-            event = DocumentStartEvent(
-                start_mark, end_mark, explicit=True, version=version, tags=tags,
-                comment=token.comment
-            )  # type: Any
-            self.states.append(self.parse_document_end)
-            self.state = self.parse_document_content
-        else:
-            # Parse the end of the stream.
-            token = self.scanner.get_token()
-            event = StreamEndEvent(token.start_mark, token.end_mark, comment=token.comment)
-            assert not self.states
-            assert not self.marks
-            self.state = None
-        return event
-
-    def parse_document_end(self):
-        # type: () -> Any
-        # Parse the document end.
-        token = self.scanner.peek_token()
-        start_mark = end_mark = token.start_mark
-        explicit = False
-        if self.scanner.check_token(DocumentEndToken):
-            token = self.scanner.get_token()
-            end_mark = token.end_mark
-            explicit = True
-        event = DocumentEndEvent(start_mark, end_mark, explicit=explicit)
-
-        # Prepare the next state.
-        if self.resolver.processing_version == (1, 1):
-            self.state = self.parse_document_start
-        else:
-            self.state = self.parse_implicit_document_start
-
-        return event
-
-    def parse_document_content(self):
-        # type: () -> Any
-        if self.scanner.check_token(
-            DirectiveToken, DocumentStartToken, DocumentEndToken, StreamEndToken
-        ):
-            event = self.process_empty_scalar(self.scanner.peek_token().start_mark)
-            self.state = self.states.pop()
-            return event
-        else:
-            return self.parse_block_node()
-
-    def process_directives(self):
-        # type: () -> Any
-        yaml_version = None
-        self.tag_handles = {}
-        while self.scanner.check_token(DirectiveToken):
-            token = self.scanner.get_token()
-            if token.name == 'YAML':
-                if yaml_version is not None:
-                    raise ParserError(
-                        None, None, 'found duplicate YAML directive', token.start_mark
-                    )
-                major, minor = token.value
-                if major != 1:
-                    raise ParserError(
-                        None,
-                        None,
-                        'found incompatible YAML document (version 1.* is required)',
-                        token.start_mark,
-                    )
-                yaml_version = token.value
-            elif token.name == 'TAG':
-                handle, prefix = token.value
-                if handle in self.tag_handles:
-                    raise ParserError(
-                        None,
-                        None,
-                        _F('duplicate tag handle {handle!r}', handle=handle),
-                        token.start_mark,
-                    )
-                self.tag_handles[handle] = prefix
-        if bool(self.tag_handles):
-            value = yaml_version, self.tag_handles.copy()  # type: Any
-        else:
-            value = yaml_version, None
-        if self.loader is not None and hasattr(self.loader, 'tags'):
-            self.loader.version = yaml_version
-            if self.loader.tags is None:
-                self.loader.tags = {}
-            for k in self.tag_handles:
-                self.loader.tags[k] = self.tag_handles[k]
-        for key in self.DEFAULT_TAGS:
-            if key not in self.tag_handles:
-                self.tag_handles[key] = self.DEFAULT_TAGS[key]
-        return value
-
-    # block_node_or_indentless_sequence ::= ALIAS
-    #               | properties (block_content | indentless_block_sequence)?
-    #               | block_content
-    #               | indentless_block_sequence
-    # block_node    ::= ALIAS
-    #                   | properties block_content?
-    #                   | block_content
-    # flow_node     ::= ALIAS
-    #                   | properties flow_content?
-    #                   | flow_content
-    # properties    ::= TAG ANCHOR? | ANCHOR TAG?
-    # block_content     ::= block_collection | flow_collection | SCALAR
-    # flow_content      ::= flow_collection | SCALAR
-    # block_collection  ::= block_sequence | block_mapping
-    # flow_collection   ::= flow_sequence | flow_mapping
-
-    def parse_block_node(self):
-        # type: () -> Any
-        return self.parse_node(block=True)
-
-    def parse_flow_node(self):
-        # type: () -> Any
-        return self.parse_node()
-
-    def parse_block_node_or_indentless_sequence(self):
-        # type: () -> Any
-        return self.parse_node(block=True, indentless_sequence=True)
-
-    def transform_tag(self, handle, suffix):
-        # type: (Any, Any) -> Any
-        return self.tag_handles[handle] + suffix
-
-    def parse_node(self, block=False, indentless_sequence=False):
-        # type: (bool, bool) -> Any
-        if self.scanner.check_token(AliasToken):
-            token = self.scanner.get_token()
-            event = AliasEvent(token.value, token.start_mark, token.end_mark)  # type: Any
-            self.state = self.states.pop()
-            return event
-
-        anchor = None
-        tag = None
-        start_mark = end_mark = tag_mark = None
-        if self.scanner.check_token(AnchorToken):
-            token = self.scanner.get_token()
-            self.move_token_comment(token)
-            start_mark = token.start_mark
-            end_mark = token.end_mark
-            anchor = token.value
-            if self.scanner.check_token(TagToken):
-                token = self.scanner.get_token()
-                tag_mark = token.start_mark
-                end_mark = token.end_mark
-                tag = token.value
-        elif self.scanner.check_token(TagToken):
-            token = self.scanner.get_token()
-            start_mark = tag_mark = token.start_mark
-            end_mark = token.end_mark
-            tag = token.value
-            if self.scanner.check_token(AnchorToken):
-                token = self.scanner.get_token()
-                start_mark = tag_mark = token.start_mark
-                end_mark = token.end_mark
-                anchor = token.value
-        if tag is not None:
-            handle, suffix = tag
-            if handle is not None:
-                if handle not in self.tag_handles:
-                    raise ParserError(
-                        'while parsing a node',
-                        start_mark,
-                        _F('found undefined tag handle {handle!r}', handle=handle),
-                        tag_mark,
-                    )
-                tag = self.transform_tag(handle, suffix)
-            else:
-                tag = suffix
-        # if tag == '!':
-        #     raise ParserError("while parsing a node", start_mark,
-        #             "found non-specific tag '!'", tag_mark,
-        #      "Please check 'http://pyyaml.org/wiki/YAMLNonSpecificTag'
-        #     and share your opinion.")
-        if start_mark is None:
-            start_mark = end_mark = self.scanner.peek_token().start_mark
-        event = None
-        implicit = tag is None or tag == '!'
-        if indentless_sequence and self.scanner.check_token(BlockEntryToken):
-            comment = None
-            pt = self.scanner.peek_token()
-            if self.loader and self.loader.comment_handling is None:
-                if pt.comment and pt.comment[0]:
-                    comment = [pt.comment[0], []]
-                    pt.comment[0] = None
-            elif self.loader:
-                if pt.comment:
-                    comment = pt.comment
-            end_mark = self.scanner.peek_token().end_mark
-            event = SequenceStartEvent(
-                anchor, tag, implicit, start_mark, end_mark, flow_style=False, comment=comment
-            )
-            self.state = self.parse_indentless_sequence_entry
-            return event
-
-        if self.scanner.check_token(ScalarToken):
-            token = self.scanner.get_token()
-            # self.scanner.peek_token_same_line_comment(token)
-            end_mark = token.end_mark
-            if (token.plain and tag is None) or tag == '!':
-                implicit = (True, False)
-            elif tag is None:
-                implicit = (False, True)
-            else:
-                implicit = (False, False)
-            # nprint('se', token.value, token.comment)
-            event = ScalarEvent(
-                anchor,
-                tag,
-                implicit,
-                token.value,
-                start_mark,
-                end_mark,
-                style=token.style,
-                comment=token.comment,
-            )
-            self.state = self.states.pop()
-        elif self.scanner.check_token(FlowSequenceStartToken):
-            pt = self.scanner.peek_token()
-            end_mark = pt.end_mark
-            event = SequenceStartEvent(
-                anchor,
-                tag,
-                implicit,
-                start_mark,
-                end_mark,
-                flow_style=True,
-                comment=pt.comment,
-            )
-            self.state = self.parse_flow_sequence_first_entry
-        elif self.scanner.check_token(FlowMappingStartToken):
-            pt = self.scanner.peek_token()
-            end_mark = pt.end_mark
-            event = MappingStartEvent(
-                anchor,
-                tag,
-                implicit,
-                start_mark,
-                end_mark,
-                flow_style=True,
-                comment=pt.comment,
-            )
-            self.state = self.parse_flow_mapping_first_key
-        elif block and self.scanner.check_token(BlockSequenceStartToken):
-            end_mark = self.scanner.peek_token().start_mark
-            # should inserting the comment be dependent on the
-            # indentation?
-            pt = self.scanner.peek_token()
-            comment = pt.comment
-            # nprint('pt0', type(pt))
-            if comment is None or comment[1] is None:
-                comment = pt.split_old_comment()
-            # nprint('pt1', comment)
-            event = SequenceStartEvent(
-                anchor, tag, implicit, start_mark, end_mark, flow_style=False, comment=comment
-            )
-            self.state = self.parse_block_sequence_first_entry
-        elif block and self.scanner.check_token(BlockMappingStartToken):
-            end_mark = self.scanner.peek_token().start_mark
-            comment = self.scanner.peek_token().comment
-            event = MappingStartEvent(
-                anchor, tag, implicit, start_mark, end_mark, flow_style=False, comment=comment
-            )
-            self.state = self.parse_block_mapping_first_key
-        elif anchor is not None or tag is not None:
-            # Empty scalars are allowed even if a tag or an anchor is
-            # specified.
-            event = ScalarEvent(anchor, tag, (implicit, False), "", start_mark, end_mark)
-            self.state = self.states.pop()
-        else:
-            if block:
-                node = 'block'
-            else:
-                node = 'flow'
-            token = self.scanner.peek_token()
-            raise ParserError(
-                _F('while parsing a {node!s} node', node=node),
-                start_mark,
-                _F('expected the node content, but found {token_id!r}', token_id=token.id),
-                token.start_mark,
-            )
-        return event
-
-    # block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)*
-    #                                                               BLOCK-END
-
-    def parse_block_sequence_first_entry(self):
-        # type: () -> Any
-        token = self.scanner.get_token()
-        # move any comment from start token
-        # self.move_token_comment(token)
-        self.marks.append(token.start_mark)
-        return self.parse_block_sequence_entry()
-
-    def parse_block_sequence_entry(self):
-        # type: () -> Any
-        if self.scanner.check_token(BlockEntryToken):
-            token = self.scanner.get_token()
-            self.move_token_comment(token)
-            if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
-                self.states.append(self.parse_block_sequence_entry)
-                return self.parse_block_node()
-            else:
-                self.state = self.parse_block_sequence_entry
-                return self.process_empty_scalar(token.end_mark)
-        if not self.scanner.check_token(BlockEndToken):
-            token = self.scanner.peek_token()
-            raise ParserError(
-                'while parsing a block collection',
-                self.marks[-1],
-                _F('expected <block end>, but found {token_id!r}', token_id=token.id),
-                token.start_mark,
-            )
-        token = self.scanner.get_token()  # BlockEndToken
-        event = SequenceEndEvent(token.start_mark, token.end_mark, comment=token.comment)
-        self.state = self.states.pop()
-        self.marks.pop()
-        return event
-
-    # indentless_sequence ::= (BLOCK-ENTRY block_node?)+
-
-    # indentless_sequence?
-    # sequence:
-    # - entry
-    #  - nested
-
-    def parse_indentless_sequence_entry(self):
-        # type: () -> Any
-        if self.scanner.check_token(BlockEntryToken):
-            token = self.scanner.get_token()
-            self.move_token_comment(token)
-            if not self.scanner.check_token(
-                BlockEntryToken, KeyToken, ValueToken, BlockEndToken
-            ):
-                self.states.append(self.parse_indentless_sequence_entry)
-                return self.parse_block_node()
-            else:
-                self.state = self.parse_indentless_sequence_entry
-                return self.process_empty_scalar(token.end_mark)
-        token = self.scanner.peek_token()
-        c = None
-        if self.loader and self.loader.comment_handling is None:
-            c = token.comment
-            start_mark = token.start_mark
-        else:
-            start_mark = self.last_event.end_mark  # type: ignore
-            c = self.distribute_comment(token.comment, start_mark.line)  # type: ignore
-        event = SequenceEndEvent(start_mark, start_mark, comment=c)
-        self.state = self.states.pop()
-        return event
-
-    # block_mapping     ::= BLOCK-MAPPING_START
-    #                       ((KEY block_node_or_indentless_sequence?)?
-    #                       (VALUE block_node_or_indentless_sequence?)?)*
-    #                       BLOCK-END
-
-    def parse_block_mapping_first_key(self):
-        # type: () -> Any
-        token = self.scanner.get_token()
-        self.marks.append(token.start_mark)
-        return self.parse_block_mapping_key()
-
-    def parse_block_mapping_key(self):
-        # type: () -> Any
-        if self.scanner.check_token(KeyToken):
-            token = self.scanner.get_token()
-            self.move_token_comment(token)
-            if not self.scanner.check_token(KeyToken, ValueToken, BlockEndToken):
-                self.states.append(self.parse_block_mapping_value)
-                return self.parse_block_node_or_indentless_sequence()
-            else:
-                self.state = self.parse_block_mapping_value
-                return self.process_empty_scalar(token.end_mark)
-        if self.resolver.processing_version > (1, 1) and self.scanner.check_token(ValueToken):
-            self.state = self.parse_block_mapping_value
-            return self.process_empty_scalar(self.scanner.peek_token().start_mark)
-        if not self.scanner.check_token(BlockEndToken):
-            token = self.scanner.peek_token()
-            raise ParserError(
-                'while parsing a block mapping',
-                self.marks[-1],
-                _F('expected <block end>, but found {token_id!r}', token_id=token.id),
-                token.start_mark,
-            )
-        token = self.scanner.get_token()
-        self.move_token_comment(token)
-        event = MappingEndEvent(token.start_mark, token.end_mark, comment=token.comment)
-        self.state = self.states.pop()
-        self.marks.pop()
-        return event
-
-    def parse_block_mapping_value(self):
-        # type: () -> Any
-        if self.scanner.check_token(ValueToken):
-            token = self.scanner.get_token()
-            # value token might have post comment move it to e.g. block
-            if self.scanner.check_token(ValueToken):
-                self.move_token_comment(token)
-            else:
-                if not self.scanner.check_token(KeyToken):
-                    self.move_token_comment(token, empty=True)
-                # else: empty value for this key cannot move token.comment
-            if not self.scanner.check_token(KeyToken, ValueToken, BlockEndToken):
-                self.states.append(self.parse_block_mapping_key)
-                return self.parse_block_node_or_indentless_sequence()
-            else:
-                self.state = self.parse_block_mapping_key
-                comment = token.comment
-                if comment is None:
-                    token = self.scanner.peek_token()
-                    comment = token.comment
-                    if comment:
-                        token._comment = [None, comment[1]]
-                        comment = [comment[0], None]
-                return self.process_empty_scalar(token.end_mark, comment=comment)
-        else:
-            self.state = self.parse_block_mapping_key
-            token = self.scanner.peek_token()
-            return self.process_empty_scalar(token.start_mark)
-
-    # flow_sequence     ::= FLOW-SEQUENCE-START
-    #                       (flow_sequence_entry FLOW-ENTRY)*
-    #                       flow_sequence_entry?
-    #                       FLOW-SEQUENCE-END
-    # flow_sequence_entry   ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-    #
-    # Note that while production rules for both flow_sequence_entry and
-    # flow_mapping_entry are equal, their interpretations are different.
-    # For `flow_sequence_entry`, the part `KEY flow_node? (VALUE flow_node?)?`
-    # generate an inline mapping (set syntax).
-
-    def parse_flow_sequence_first_entry(self):
-        # type: () -> Any
-        token = self.scanner.get_token()
-        self.marks.append(token.start_mark)
-        return self.parse_flow_sequence_entry(first=True)
-
-    def parse_flow_sequence_entry(self, first=False):
-        # type: (bool) -> Any
-        if not self.scanner.check_token(FlowSequenceEndToken):
-            if not first:
-                if self.scanner.check_token(FlowEntryToken):
-                    self.scanner.get_token()
-                else:
-                    token = self.scanner.peek_token()
-                    raise ParserError(
-                        'while parsing a flow sequence',
-                        self.marks[-1],
-                        _F("expected ',' or ']', but got {token_id!r}", token_id=token.id),
-                        token.start_mark,
-                    )
-
-            if self.scanner.check_token(KeyToken):
-                token = self.scanner.peek_token()
-                event = MappingStartEvent(
-                    None, None, True, token.start_mark, token.end_mark, flow_style=True
-                )  # type: Any
-                self.state = self.parse_flow_sequence_entry_mapping_key
-                return event
-            elif not self.scanner.check_token(FlowSequenceEndToken):
-                self.states.append(self.parse_flow_sequence_entry)
-                return self.parse_flow_node()
-        token = self.scanner.get_token()
-        event = SequenceEndEvent(token.start_mark, token.end_mark, comment=token.comment)
-        self.state = self.states.pop()
-        self.marks.pop()
-        return event
-
-    def parse_flow_sequence_entry_mapping_key(self):
-        # type: () -> Any
-        token = self.scanner.get_token()
-        if not self.scanner.check_token(ValueToken, FlowEntryToken, FlowSequenceEndToken):
-            self.states.append(self.parse_flow_sequence_entry_mapping_value)
-            return self.parse_flow_node()
-        else:
-            self.state = self.parse_flow_sequence_entry_mapping_value
-            return self.process_empty_scalar(token.end_mark)
-
-    def parse_flow_sequence_entry_mapping_value(self):
-        # type: () -> Any
-        if self.scanner.check_token(ValueToken):
-            token = self.scanner.get_token()
-            if not self.scanner.check_token(FlowEntryToken, FlowSequenceEndToken):
-                self.states.append(self.parse_flow_sequence_entry_mapping_end)
-                return self.parse_flow_node()
-            else:
-                self.state = self.parse_flow_sequence_entry_mapping_end
-                return self.process_empty_scalar(token.end_mark)
-        else:
-            self.state = self.parse_flow_sequence_entry_mapping_end
-            token = self.scanner.peek_token()
-            return self.process_empty_scalar(token.start_mark)
-
-    def parse_flow_sequence_entry_mapping_end(self):
-        # type: () -> Any
-        self.state = self.parse_flow_sequence_entry
-        token = self.scanner.peek_token()
-        return MappingEndEvent(token.start_mark, token.start_mark)
-
-    # flow_mapping  ::= FLOW-MAPPING-START
-    #                   (flow_mapping_entry FLOW-ENTRY)*
-    #                   flow_mapping_entry?
-    #                   FLOW-MAPPING-END
-    # flow_mapping_entry    ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-
-    def parse_flow_mapping_first_key(self):
-        # type: () -> Any
-        token = self.scanner.get_token()
-        self.marks.append(token.start_mark)
-        return self.parse_flow_mapping_key(first=True)
-
-    def parse_flow_mapping_key(self, first=False):
-        # type: (Any) -> Any
-        if not self.scanner.check_token(FlowMappingEndToken):
-            if not first:
-                if self.scanner.check_token(FlowEntryToken):
-                    self.scanner.get_token()
-                else:
-                    token = self.scanner.peek_token()
-                    raise ParserError(
-                        'while parsing a flow mapping',
-                        self.marks[-1],
-                        _F("expected ',' or '}}', but got {token_id!r}", token_id=token.id),
-                        token.start_mark,
-                    )
-            if self.scanner.check_token(KeyToken):
-                token = self.scanner.get_token()
-                if not self.scanner.check_token(
-                    ValueToken, FlowEntryToken, FlowMappingEndToken
-                ):
-                    self.states.append(self.parse_flow_mapping_value)
-                    return self.parse_flow_node()
-                else:
-                    self.state = self.parse_flow_mapping_value
-                    return self.process_empty_scalar(token.end_mark)
-            elif self.resolver.processing_version > (1, 1) and self.scanner.check_token(
-                ValueToken
-            ):
-                self.state = self.parse_flow_mapping_value
-                return self.process_empty_scalar(self.scanner.peek_token().end_mark)
-            elif not self.scanner.check_token(FlowMappingEndToken):
-                self.states.append(self.parse_flow_mapping_empty_value)
-                return self.parse_flow_node()
-        token = self.scanner.get_token()
-        event = MappingEndEvent(token.start_mark, token.end_mark, comment=token.comment)
-        self.state = self.states.pop()
-        self.marks.pop()
-        return event
-
-    def parse_flow_mapping_value(self):
-        # type: () -> Any
-        if self.scanner.check_token(ValueToken):
-            token = self.scanner.get_token()
-            if not self.scanner.check_token(FlowEntryToken, FlowMappingEndToken):
-                self.states.append(self.parse_flow_mapping_key)
-                return self.parse_flow_node()
-            else:
-                self.state = self.parse_flow_mapping_key
-                return self.process_empty_scalar(token.end_mark)
-        else:
-            self.state = self.parse_flow_mapping_key
-            token = self.scanner.peek_token()
-            return self.process_empty_scalar(token.start_mark)
-
-    def parse_flow_mapping_empty_value(self):
-        # type: () -> Any
-        self.state = self.parse_flow_mapping_key
-        return self.process_empty_scalar(self.scanner.peek_token().start_mark)
-
-    def process_empty_scalar(self, mark, comment=None):
-        # type: (Any, Any) -> Any
-        return ScalarEvent(None, None, (True, False), "", mark, mark, comment=comment)
-
-    def move_token_comment(self, token, nt=None, empty=False):
-        # type: (Any, Optional[Any], Optional[bool]) -> Any
-        pass
-
-
-class RoundTripParser(Parser):
-    """roundtrip is a safe loader, that wants to see the unmangled tag"""
-
-    def transform_tag(self, handle, suffix):
-        # type: (Any, Any) -> Any
-        # return self.tag_handles[handle]+suffix
-        if handle == '!!' and suffix in (
-            'null',
-            'bool',
-            'int',
-            'float',
-            'binary',
-            'timestamp',
-            'omap',
-            'pairs',
-            'set',
-            'str',
-            'seq',
-            'map',
-        ):
-            return Parser.transform_tag(self, handle, suffix)
-        return handle + suffix
-
-    def move_token_comment(self, token, nt=None, empty=False):
-        # type: (Any, Optional[Any], Optional[bool]) -> Any
-        token.move_old_comment(self.scanner.peek_token() if nt is None else nt, empty=empty)
-
-
-class RoundTripParserSC(RoundTripParser):
-    """roundtrip is a safe loader, that wants to see the unmangled tag"""
-
-    # some of the differences are based on the superclass testing
-    # if self.loader.comment_handling is not None
-
-    def move_token_comment(self, token, nt=None, empty=False):
-        # type: (Any, Any, Any, Optional[bool]) -> None
-        token.move_new_comment(self.scanner.peek_token() if nt is None else nt, empty=empty)
-
-    def distribute_comment(self, comment, line):
-        # type: (Any, Any) -> Any
-        # ToDo, look at indentation of the comment to determine attachment
-        if comment is None:
-            return None
-        if not comment[0]:
-            return None
-        if comment[0][0] != line + 1:
-            nprintf('>>>dcxxx', comment, line)
-        assert comment[0][0] == line + 1
-        # if comment[0] - line > 1:
-        #     return
-        typ = self.loader.comment_handling & 0b11
-        # nprintf('>>>dca', comment, line, typ)
-        if typ == C_POST:
-            return None
-        if typ == C_PRE:
-            c = [None, None, comment[0]]
-            comment[0] = None
-            return c
-        # nprintf('>>>dcb', comment[0])
-        for _idx, cmntidx in enumerate(comment[0]):
-            # nprintf('>>>dcb', cmntidx)
-            if isinstance(self.scanner.comments[cmntidx], BlankLineComment):
-                break
-        else:
-            return None  # no space found
-        if _idx == 0:
-            return None  # first line was blank
-        # nprintf('>>>dcc', idx)
-        if typ == C_SPLIT_ON_FIRST_BLANK:
-            c = [None, None, comment[0][:_idx]]
-            comment[0] = comment[0][_idx:]
-            return c
-        raise NotImplementedError  # reserved

lib/spack/external/_vendoring/ruamel/yaml/reader.py

@@ -1,302 +0,0 @@
-# coding: utf-8
-
-# This module contains abstractions for the input stream. You don't have to
-# looks further, there are no pretty code.
-#
-# We define two classes here.
-#
-#   Mark(source, line, column)
-# It's just a record and its only use is producing nice error messages.
-# Parser does not use it for any other purposes.
-#
-#   Reader(source, data)
-# Reader determines the encoding of `data` and converts it to unicode.
-# Reader provides the following methods and attributes:
-#   reader.peek(length=1) - return the next `length` characters
-#   reader.forward(length=1) - move the current position to `length`
-#      characters.
-#   reader.index - the number of the current character.
-#   reader.line, stream.column - the line and the column of the current
-#      character.
-
-import codecs
-
-from ruamel.yaml.error import YAMLError, FileMark, StringMark, YAMLStreamError
-from ruamel.yaml.compat import _F  # NOQA
-from ruamel.yaml.util import RegExp
-
-if False:  # MYPY
-    from typing import Any, Dict, Optional, List, Union, Text, Tuple, Optional  # NOQA
-#    from ruamel.yaml.compat import StreamTextType  # NOQA
-
-__all__ = ['Reader', 'ReaderError']
-
-
-class ReaderError(YAMLError):
-    def __init__(self, name, position, character, encoding, reason):
-        # type: (Any, Any, Any, Any, Any) -> None
-        self.name = name
-        self.character = character
-        self.position = position
-        self.encoding = encoding
-        self.reason = reason
-
-    def __str__(self):
-        # type: () -> Any
-        if isinstance(self.character, bytes):
-            return _F(
-                "'{self_encoding!s}' codec can't decode byte #x{ord_self_character:02x}: "
-                '{self_reason!s}\n'
-                '  in "{self_name!s}", position {self_position:d}',
-                self_encoding=self.encoding,
-                ord_self_character=ord(self.character),
-                self_reason=self.reason,
-                self_name=self.name,
-                self_position=self.position,
-            )
-        else:
-            return _F(
-                'unacceptable character #x{self_character:04x}: {self_reason!s}\n'
-                '  in "{self_name!s}", position {self_position:d}',
-                self_character=self.character,
-                self_reason=self.reason,
-                self_name=self.name,
-                self_position=self.position,
-            )
-
-
-class Reader:
-    # Reader:
-    # - determines the data encoding and converts it to a unicode string,
-    # - checks if characters are in allowed range,
-    # - adds '\0' to the end.
-
-    # Reader accepts
-    #  - a `bytes` object,
-    #  - a `str` object,
-    #  - a file-like object with its `read` method returning `str`,
-    #  - a file-like object with its `read` method returning `unicode`.
-
-    # Yeah, it's ugly and slow.
-
-    def __init__(self, stream, loader=None):
-        # type: (Any, Any) -> None
-        self.loader = loader
-        if self.loader is not None and getattr(self.loader, '_reader', None) is None:
-            self.loader._reader = self
-        self.reset_reader()
-        self.stream = stream  # type: Any  # as .read is called
-
-    def reset_reader(self):
-        # type: () -> None
-        self.name = None  # type: Any
-        self.stream_pointer = 0
-        self.eof = True
-        self.buffer = ""
-        self.pointer = 0
-        self.raw_buffer = None  # type: Any
-        self.raw_decode = None
-        self.encoding = None  # type: Optional[Text]
-        self.index = 0
-        self.line = 0
-        self.column = 0
-
-    @property
-    def stream(self):
-        # type: () -> Any
-        try:
-            return self._stream
-        except AttributeError:
-            raise YAMLStreamError('input stream needs to specified')
-
-    @stream.setter
-    def stream(self, val):
-        # type: (Any) -> None
-        if val is None:
-            return
-        self._stream = None
-        if isinstance(val, str):
-            self.name = '<unicode string>'
-            self.check_printable(val)
-            self.buffer = val + '\0'
-        elif isinstance(val, bytes):
-            self.name = '<byte string>'
-            self.raw_buffer = val
-            self.determine_encoding()
-        else:
-            if not hasattr(val, 'read'):
-                raise YAMLStreamError('stream argument needs to have a read() method')
-            self._stream = val
-            self.name = getattr(self.stream, 'name', '<file>')
-            self.eof = False
-            self.raw_buffer = None
-            self.determine_encoding()
-
-    def peek(self, index=0):
-        # type: (int) -> Text
-        try:
-            return self.buffer[self.pointer + index]
-        except IndexError:
-            self.update(index + 1)
-            return self.buffer[self.pointer + index]
-
-    def prefix(self, length=1):
-        # type: (int) -> Any
-        if self.pointer + length >= len(self.buffer):
-            self.update(length)
-        return self.buffer[self.pointer : self.pointer + length]
-
-    def forward_1_1(self, length=1):
-        # type: (int) -> None
-        if self.pointer + length + 1 >= len(self.buffer):
-            self.update(length + 1)
-        while length != 0:
-            ch = self.buffer[self.pointer]
-            self.pointer += 1
-            self.index += 1
-            if ch in '\n\x85\u2028\u2029' or (
-                ch == '\r' and self.buffer[self.pointer] != '\n'
-            ):
-                self.line += 1
-                self.column = 0
-            elif ch != '\uFEFF':
-                self.column += 1
-            length -= 1
-
-    def forward(self, length=1):
-        # type: (int) -> None
-        if self.pointer + length + 1 >= len(self.buffer):
-            self.update(length + 1)
-        while length != 0:
-            ch = self.buffer[self.pointer]
-            self.pointer += 1
-            self.index += 1
-            if ch == '\n' or (ch == '\r' and self.buffer[self.pointer] != '\n'):
-                self.line += 1
-                self.column = 0
-            elif ch != '\uFEFF':
-                self.column += 1
-            length -= 1
-
-    def get_mark(self):
-        # type: () -> Any
-        if self.stream is None:
-            return StringMark(
-                self.name, self.index, self.line, self.column, self.buffer, self.pointer
-            )
-        else:
-            return FileMark(self.name, self.index, self.line, self.column)
-
-    def determine_encoding(self):
-        # type: () -> None
-        while not self.eof and (self.raw_buffer is None or len(self.raw_buffer) < 2):
-            self.update_raw()
-        if isinstance(self.raw_buffer, bytes):
-            if self.raw_buffer.startswith(codecs.BOM_UTF16_LE):
-                self.raw_decode = codecs.utf_16_le_decode  # type: ignore
-                self.encoding = 'utf-16-le'
-            elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE):
-                self.raw_decode = codecs.utf_16_be_decode  # type: ignore
-                self.encoding = 'utf-16-be'
-            else:
-                self.raw_decode = codecs.utf_8_decode  # type: ignore
-                self.encoding = 'utf-8'
-        self.update(1)
-
-    NON_PRINTABLE = RegExp(
-        '[^\x09\x0A\x0D\x20-\x7E\x85' '\xA0-\uD7FF' '\uE000-\uFFFD' '\U00010000-\U0010FFFF' ']'
-    )
-
-    _printable_ascii = ('\x09\x0A\x0D' + "".join(map(chr, range(0x20, 0x7F)))).encode('ascii')
-
-    @classmethod
-    def _get_non_printable_ascii(cls, data):  # type: ignore
-        # type: (Text, bytes) -> Optional[Tuple[int, Text]]
-        ascii_bytes = data.encode('ascii')  # type: ignore
-        non_printables = ascii_bytes.translate(None, cls._printable_ascii)  # type: ignore
-        if not non_printables:
-            return None
-        non_printable = non_printables[:1]
-        return ascii_bytes.index(non_printable), non_printable.decode('ascii')
-
-    @classmethod
-    def _get_non_printable_regex(cls, data):
-        # type: (Text) -> Optional[Tuple[int, Text]]
-        match = cls.NON_PRINTABLE.search(data)
-        if not bool(match):
-            return None
-        return match.start(), match.group()
-
-    @classmethod
-    def _get_non_printable(cls, data):
-        # type: (Text) -> Optional[Tuple[int, Text]]
-        try:
-            return cls._get_non_printable_ascii(data)  # type: ignore
-        except UnicodeEncodeError:
-            return cls._get_non_printable_regex(data)
-
-    def check_printable(self, data):
-        # type: (Any) -> None
-        non_printable_match = self._get_non_printable(data)
-        if non_printable_match is not None:
-            start, character = non_printable_match
-            position = self.index + (len(self.buffer) - self.pointer) + start
-            raise ReaderError(
-                self.name,
-                position,
-                ord(character),
-                'unicode',
-                'special characters are not allowed',
-            )
-
-    def update(self, length):
-        # type: (int) -> None
-        if self.raw_buffer is None:
-            return
-        self.buffer = self.buffer[self.pointer :]
-        self.pointer = 0
-        while len(self.buffer) < length:
-            if not self.eof:
-                self.update_raw()
-            if self.raw_decode is not None:
-                try:
-                    data, converted = self.raw_decode(self.raw_buffer, 'strict', self.eof)
-                except UnicodeDecodeError as exc:
-                    character = self.raw_buffer[exc.start]
-                    if self.stream is not None:
-                        position = self.stream_pointer - len(self.raw_buffer) + exc.start
-                    elif self.stream is not None:
-                        position = self.stream_pointer - len(self.raw_buffer) + exc.start
-                    else:
-                        position = exc.start
-                    raise ReaderError(self.name, position, character, exc.encoding, exc.reason)
-            else:
-                data = self.raw_buffer
-                converted = len(data)
-            self.check_printable(data)
-            self.buffer += data
-            self.raw_buffer = self.raw_buffer[converted:]
-            if self.eof:
-                self.buffer += '\0'
-                self.raw_buffer = None
-                break
-
-    def update_raw(self, size=None):
-        # type: (Optional[int]) -> None
-        if size is None:
-            size = 4096
-        data = self.stream.read(size)
-        if self.raw_buffer is None:
-            self.raw_buffer = data
-        else:
-            self.raw_buffer += data
-        self.stream_pointer += len(data)
-        if not data:
-            self.eof = True
-
-
-# try:
-#     import psyco
-#     psyco.bind(Reader)
-# except ImportError:
-#     pass

lib/spack/external/_vendoring/ruamel/yaml/scalarbool.py

@@ -1,47 +0,0 @@
-# coding: utf-8
-
-"""
-You cannot subclass bool, and this is necessary for round-tripping anchored
-bool values (and also if you want to preserve the original way of writing)
-
-bool.__bases__ is type 'int', so that is what is used as the basis for ScalarBoolean as well.
-
-You can use these in an if statement, but not when testing equivalence
-"""
-
-from ruamel.yaml.anchor import Anchor
-
-if False:  # MYPY
-    from typing import Text, Any, Dict, List  # NOQA
-
-__all__ = ['ScalarBoolean']
-
-
-class ScalarBoolean(int):
-    def __new__(cls, *args, **kw):
-        # type: (Any, Any, Any) -> Any
-        anchor = kw.pop('anchor', None)
-        b = int.__new__(cls, *args, **kw)
-        if anchor is not None:
-            b.yaml_set_anchor(anchor, always_dump=True)
-        return b
-
-    @property
-    def anchor(self):
-        # type: () -> Any
-        if not hasattr(self, Anchor.attrib):
-            setattr(self, Anchor.attrib, Anchor())
-        return getattr(self, Anchor.attrib)
-
-    def yaml_anchor(self, any=False):
-        # type: (bool) -> Any
-        if not hasattr(self, Anchor.attrib):
-            return None
-        if any or self.anchor.always_dump:
-            return self.anchor
-        return None
-
-    def yaml_set_anchor(self, value, always_dump=False):
-        # type: (Any, bool) -> None
-        self.anchor.value = value
-        self.anchor.always_dump = always_dump

lib/spack/external/_vendoring/ruamel/yaml/scalarfloat.py

@@ -1,124 +0,0 @@
-# coding: utf-8
-
-import sys
-from ruamel.yaml.anchor import Anchor
-
-if False:  # MYPY
-    from typing import Text, Any, Dict, List  # NOQA
-
-__all__ = ['ScalarFloat', 'ExponentialFloat', 'ExponentialCapsFloat']
-
-
-class ScalarFloat(float):
-    def __new__(cls, *args, **kw):
-        # type: (Any, Any, Any) -> Any
-        width = kw.pop('width', None)
-        prec = kw.pop('prec', None)
-        m_sign = kw.pop('m_sign', None)
-        m_lead0 = kw.pop('m_lead0', 0)
-        exp = kw.pop('exp', None)
-        e_width = kw.pop('e_width', None)
-        e_sign = kw.pop('e_sign', None)
-        underscore = kw.pop('underscore', None)
-        anchor = kw.pop('anchor', None)
-        v = float.__new__(cls, *args, **kw)
-        v._width = width
-        v._prec = prec
-        v._m_sign = m_sign
-        v._m_lead0 = m_lead0
-        v._exp = exp
-        v._e_width = e_width
-        v._e_sign = e_sign
-        v._underscore = underscore
-        if anchor is not None:
-            v.yaml_set_anchor(anchor, always_dump=True)
-        return v
-
-    def __iadd__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        return float(self) + a
-        x = type(self)(self + a)
-        x._width = self._width
-        x._underscore = self._underscore[:] if self._underscore is not None else None  # NOQA
-        return x
-
-    def __ifloordiv__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        return float(self) // a
-        x = type(self)(self // a)
-        x._width = self._width
-        x._underscore = self._underscore[:] if self._underscore is not None else None  # NOQA
-        return x
-
-    def __imul__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        return float(self) * a
-        x = type(self)(self * a)
-        x._width = self._width
-        x._underscore = self._underscore[:] if self._underscore is not None else None  # NOQA
-        x._prec = self._prec  # check for others
-        return x
-
-    def __ipow__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        return float(self) ** a
-        x = type(self)(self ** a)
-        x._width = self._width
-        x._underscore = self._underscore[:] if self._underscore is not None else None  # NOQA
-        return x
-
-    def __isub__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        return float(self) - a
-        x = type(self)(self - a)
-        x._width = self._width
-        x._underscore = self._underscore[:] if self._underscore is not None else None  # NOQA
-        return x
-
-    @property
-    def anchor(self):
-        # type: () -> Any
-        if not hasattr(self, Anchor.attrib):
-            setattr(self, Anchor.attrib, Anchor())
-        return getattr(self, Anchor.attrib)
-
-    def yaml_anchor(self, any=False):
-        # type: (bool) -> Any
-        if not hasattr(self, Anchor.attrib):
-            return None
-        if any or self.anchor.always_dump:
-            return self.anchor
-        return None
-
-    def yaml_set_anchor(self, value, always_dump=False):
-        # type: (Any, bool) -> None
-        self.anchor.value = value
-        self.anchor.always_dump = always_dump
-
-    def dump(self, out=sys.stdout):
-        # type: (Any) -> Any
-        out.write(
-            'ScalarFloat({}| w:{}, p:{}, s:{}, lz:{}, _:{}|{}, w:{}, s:{})\n'.format(
-                self,
-                self._width,  # type: ignore
-                self._prec,  # type: ignore
-                self._m_sign,  # type: ignore
-                self._m_lead0,  # type: ignore
-                self._underscore,  # type: ignore
-                self._exp,  # type: ignore
-                self._e_width,  # type: ignore
-                self._e_sign,  # type: ignore
-            )
-        )
-
-
-class ExponentialFloat(ScalarFloat):
-    def __new__(cls, value, width=None, underscore=None):
-        # type: (Any, Any, Any) -> Any
-        return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
-
-
-class ExponentialCapsFloat(ScalarFloat):
-    def __new__(cls, value, width=None, underscore=None):
-        # type: (Any, Any, Any) -> Any
-        return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)

lib/spack/external/_vendoring/ruamel/yaml/scalarint.py

@@ -1,127 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.anchor import Anchor
-
-if False:  # MYPY
-    from typing import Text, Any, Dict, List  # NOQA
-
-__all__ = ['ScalarInt', 'BinaryInt', 'OctalInt', 'HexInt', 'HexCapsInt', 'DecimalInt']
-
-
-class ScalarInt(int):
-    def __new__(cls, *args, **kw):
-        # type: (Any, Any, Any) -> Any
-        width = kw.pop('width', None)
-        underscore = kw.pop('underscore', None)
-        anchor = kw.pop('anchor', None)
-        v = int.__new__(cls, *args, **kw)
-        v._width = width
-        v._underscore = underscore
-        if anchor is not None:
-            v.yaml_set_anchor(anchor, always_dump=True)
-        return v
-
-    def __iadd__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        x = type(self)(self + a)
-        x._width = self._width  # type: ignore
-        x._underscore = (  # type: ignore
-            self._underscore[:] if self._underscore is not None else None  # type: ignore
-        )  # NOQA
-        return x
-
-    def __ifloordiv__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        x = type(self)(self // a)
-        x._width = self._width  # type: ignore
-        x._underscore = (  # type: ignore
-            self._underscore[:] if self._underscore is not None else None  # type: ignore
-        )  # NOQA
-        return x
-
-    def __imul__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        x = type(self)(self * a)
-        x._width = self._width  # type: ignore
-        x._underscore = (  # type: ignore
-            self._underscore[:] if self._underscore is not None else None  # type: ignore
-        )  # NOQA
-        return x
-
-    def __ipow__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        x = type(self)(self ** a)
-        x._width = self._width  # type: ignore
-        x._underscore = (  # type: ignore
-            self._underscore[:] if self._underscore is not None else None  # type: ignore
-        )  # NOQA
-        return x
-
-    def __isub__(self, a):  # type: ignore
-        # type: (Any) -> Any
-        x = type(self)(self - a)
-        x._width = self._width  # type: ignore
-        x._underscore = (  # type: ignore
-            self._underscore[:] if self._underscore is not None else None  # type: ignore
-        )  # NOQA
-        return x
-
-    @property
-    def anchor(self):
-        # type: () -> Any
-        if not hasattr(self, Anchor.attrib):
-            setattr(self, Anchor.attrib, Anchor())
-        return getattr(self, Anchor.attrib)
-
-    def yaml_anchor(self, any=False):
-        # type: (bool) -> Any
-        if not hasattr(self, Anchor.attrib):
-            return None
-        if any or self.anchor.always_dump:
-            return self.anchor
-        return None
-
-    def yaml_set_anchor(self, value, always_dump=False):
-        # type: (Any, bool) -> None
-        self.anchor.value = value
-        self.anchor.always_dump = always_dump
-
-
-class BinaryInt(ScalarInt):
-    def __new__(cls, value, width=None, underscore=None, anchor=None):
-        # type: (Any, Any, Any, Any) -> Any
-        return ScalarInt.__new__(cls, value, width=width, underscore=underscore, anchor=anchor)
-
-
-class OctalInt(ScalarInt):
-    def __new__(cls, value, width=None, underscore=None, anchor=None):
-        # type: (Any, Any, Any, Any) -> Any
-        return ScalarInt.__new__(cls, value, width=width, underscore=underscore, anchor=anchor)
-
-
-# mixed casing of A-F is not supported, when loading the first non digit
-# determines the case
-
-
-class HexInt(ScalarInt):
-    """uses lower case (a-f)"""
-
-    def __new__(cls, value, width=None, underscore=None, anchor=None):
-        # type: (Any, Any, Any, Any) -> Any
-        return ScalarInt.__new__(cls, value, width=width, underscore=underscore, anchor=anchor)
-
-
-class HexCapsInt(ScalarInt):
-    """uses upper case (A-F)"""
-
-    def __new__(cls, value, width=None, underscore=None, anchor=None):
-        # type: (Any, Any, Any, Any) -> Any
-        return ScalarInt.__new__(cls, value, width=width, underscore=underscore, anchor=anchor)
-
-
-class DecimalInt(ScalarInt):
-    """needed if anchor"""
-
-    def __new__(cls, value, width=None, underscore=None, anchor=None):
-        # type: (Any, Any, Any, Any) -> Any
-        return ScalarInt.__new__(cls, value, width=width, underscore=underscore, anchor=anchor)

lib/spack/external/_vendoring/ruamel/yaml/scalarstring.py

@@ -1,152 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.anchor import Anchor
-
-if False:  # MYPY
-    from typing import Text, Any, Dict, List  # NOQA
-
-__all__ = [
-    'ScalarString',
-    'LiteralScalarString',
-    'FoldedScalarString',
-    'SingleQuotedScalarString',
-    'DoubleQuotedScalarString',
-    'PlainScalarString',
-    # PreservedScalarString is the old name, as it was the first to be preserved on rt,
-    # use LiteralScalarString instead
-    'PreservedScalarString',
-]
-
-
-class ScalarString(str):
-    __slots__ = Anchor.attrib
-
-    def __new__(cls, *args, **kw):
-        # type: (Any, Any) -> Any
-        anchor = kw.pop('anchor', None)
-        ret_val = str.__new__(cls, *args, **kw)
-        if anchor is not None:
-            ret_val.yaml_set_anchor(anchor, always_dump=True)
-        return ret_val
-
-    def replace(self, old, new, maxreplace=-1):
-        # type: (Any, Any, int) -> Any
-        return type(self)((str.replace(self, old, new, maxreplace)))
-
-    @property
-    def anchor(self):
-        # type: () -> Any
-        if not hasattr(self, Anchor.attrib):
-            setattr(self, Anchor.attrib, Anchor())
-        return getattr(self, Anchor.attrib)
-
-    def yaml_anchor(self, any=False):
-        # type: (bool) -> Any
-        if not hasattr(self, Anchor.attrib):
-            return None
-        if any or self.anchor.always_dump:
-            return self.anchor
-        return None
-
-    def yaml_set_anchor(self, value, always_dump=False):
-        # type: (Any, bool) -> None
-        self.anchor.value = value
-        self.anchor.always_dump = always_dump
-
-
-class LiteralScalarString(ScalarString):
-    __slots__ = 'comment'  # the comment after the | on the first line
-
-    style = '|'
-
-    def __new__(cls, value, anchor=None):
-        # type: (Text, Any) -> Any
-        return ScalarString.__new__(cls, value, anchor=anchor)
-
-
-PreservedScalarString = LiteralScalarString
-
-
-class FoldedScalarString(ScalarString):
-    __slots__ = ('fold_pos', 'comment')  # the comment after the > on the first line
-
-    style = '>'
-
-    def __new__(cls, value, anchor=None):
-        # type: (Text, Any) -> Any
-        return ScalarString.__new__(cls, value, anchor=anchor)
-
-
-class SingleQuotedScalarString(ScalarString):
-    __slots__ = ()
-
-    style = "'"
-
-    def __new__(cls, value, anchor=None):
-        # type: (Text, Any) -> Any
-        return ScalarString.__new__(cls, value, anchor=anchor)
-
-
-class DoubleQuotedScalarString(ScalarString):
-    __slots__ = ()
-
-    style = '"'
-
-    def __new__(cls, value, anchor=None):
-        # type: (Text, Any) -> Any
-        return ScalarString.__new__(cls, value, anchor=anchor)
-
-
-class PlainScalarString(ScalarString):
-    __slots__ = ()
-
-    style = ''
-
-    def __new__(cls, value, anchor=None):
-        # type: (Text, Any) -> Any
-        return ScalarString.__new__(cls, value, anchor=anchor)
-
-
-def preserve_literal(s):
-    # type: (Text) -> Text
-    return LiteralScalarString(s.replace('\r\n', '\n').replace('\r', '\n'))
-
-
-def walk_tree(base, map=None):
-    # type: (Any, Any) -> None
-    """
-    the routine here walks over a simple yaml tree (recursing in
-    dict values and list items) and converts strings that
-    have multiple lines to literal scalars
-
-    You can also provide an explicit (ordered) mapping for multiple transforms
-    (first of which is executed):
-        map = ruamel.yaml.compat.ordereddict
-        map['\n'] = preserve_literal
-        map[':'] = SingleQuotedScalarString
-        walk_tree(data, map=map)
-    """
-    from collections.abc import MutableMapping, MutableSequence
-
-    if map is None:
-        map = {'\n': preserve_literal}
-
-    if isinstance(base, MutableMapping):
-        for k in base:
-            v = base[k]  # type: Text
-            if isinstance(v, str):
-                for ch in map:
-                    if ch in v:
-                        base[k] = map[ch](v)
-                        break
-            else:
-                walk_tree(v, map=map)
-    elif isinstance(base, MutableSequence):
-        for idx, elem in enumerate(base):
-            if isinstance(elem, str):
-                for ch in map:
-                    if ch in elem:
-                        base[idx] = map[ch](elem)
-                        break
-            else:
-                walk_tree(elem, map=map)

lib/spack/external/_vendoring/ruamel/yaml/serializer.py

@@ -1,241 +0,0 @@
-# coding: utf-8
-
-from ruamel.yaml.error import YAMLError
-from ruamel.yaml.compat import nprint, DBG_NODE, dbg, nprintf  # NOQA
-from ruamel.yaml.util import RegExp
-
-from ruamel.yaml.events import (
-    StreamStartEvent,
-    StreamEndEvent,
-    MappingStartEvent,
-    MappingEndEvent,
-    SequenceStartEvent,
-    SequenceEndEvent,
-    AliasEvent,
-    ScalarEvent,
-    DocumentStartEvent,
-    DocumentEndEvent,
-)
-from ruamel.yaml.nodes import MappingNode, ScalarNode, SequenceNode
-
-if False:  # MYPY
-    from typing import Any, Dict, Union, Text, Optional  # NOQA
-    from ruamel.yaml.compat import VersionType  # NOQA
-
-__all__ = ['Serializer', 'SerializerError']
-
-
-class SerializerError(YAMLError):
-    pass
-
-
-class Serializer:
-
-    # 'id' and 3+ numbers, but not 000
-    ANCHOR_TEMPLATE = 'id%03d'
-    ANCHOR_RE = RegExp('id(?!000$)\\d{3,}')
-
-    def __init__(
-        self,
-        encoding=None,
-        explicit_start=None,
-        explicit_end=None,
-        version=None,
-        tags=None,
-        dumper=None,
-    ):
-        # type: (Any, Optional[bool], Optional[bool], Optional[VersionType], Any, Any) -> None  # NOQA
-        self.dumper = dumper
-        if self.dumper is not None:
-            self.dumper._serializer = self
-        self.use_encoding = encoding
-        self.use_explicit_start = explicit_start
-        self.use_explicit_end = explicit_end
-        if isinstance(version, str):
-            self.use_version = tuple(map(int, version.split('.')))
-        else:
-            self.use_version = version  # type: ignore
-        self.use_tags = tags
-        self.serialized_nodes = {}  # type: Dict[Any, Any]
-        self.anchors = {}  # type: Dict[Any, Any]
-        self.last_anchor_id = 0
-        self.closed = None  # type: Optional[bool]
-        self._templated_id = None
-
-    @property
-    def emitter(self):
-        # type: () -> Any
-        if hasattr(self.dumper, 'typ'):
-            return self.dumper.emitter
-        return self.dumper._emitter
-
-    @property
-    def resolver(self):
-        # type: () -> Any
-        if hasattr(self.dumper, 'typ'):
-            self.dumper.resolver
-        return self.dumper._resolver
-
-    def open(self):
-        # type: () -> None
-        if self.closed is None:
-            self.emitter.emit(StreamStartEvent(encoding=self.use_encoding))
-            self.closed = False
-        elif self.closed:
-            raise SerializerError('serializer is closed')
-        else:
-            raise SerializerError('serializer is already opened')
-
-    def close(self):
-        # type: () -> None
-        if self.closed is None:
-            raise SerializerError('serializer is not opened')
-        elif not self.closed:
-            self.emitter.emit(StreamEndEvent())
-            self.closed = True
-
-    # def __del__(self):
-    #     self.close()
-
-    def serialize(self, node):
-        # type: (Any) -> None
-        if dbg(DBG_NODE):
-            nprint('Serializing nodes')
-            node.dump()
-        if self.closed is None:
-            raise SerializerError('serializer is not opened')
-        elif self.closed:
-            raise SerializerError('serializer is closed')
-        self.emitter.emit(
-            DocumentStartEvent(
-                explicit=self.use_explicit_start, version=self.use_version, tags=self.use_tags
-            )
-        )
-        self.anchor_node(node)
-        self.serialize_node(node, None, None)
-        self.emitter.emit(DocumentEndEvent(explicit=self.use_explicit_end))
-        self.serialized_nodes = {}
-        self.anchors = {}
-        self.last_anchor_id = 0
-
-    def anchor_node(self, node):
-        # type: (Any) -> None
-        if node in self.anchors:
-            if self.anchors[node] is None:
-                self.anchors[node] = self.generate_anchor(node)
-        else:
-            anchor = None
-            try:
-                if node.anchor.always_dump:
-                    anchor = node.anchor.value
-            except:  # NOQA
-                pass
-            self.anchors[node] = anchor
-            if isinstance(node, SequenceNode):
-                for item in node.value:
-                    self.anchor_node(item)
-            elif isinstance(node, MappingNode):
-                for key, value in node.value:
-                    self.anchor_node(key)
-                    self.anchor_node(value)
-
-    def generate_anchor(self, node):
-        # type: (Any) -> Any
-        try:
-            anchor = node.anchor.value
-        except:  # NOQA
-            anchor = None
-        if anchor is None:
-            self.last_anchor_id += 1
-            return self.ANCHOR_TEMPLATE % self.last_anchor_id
-        return anchor
-
-    def serialize_node(self, node, parent, index):
-        # type: (Any, Any, Any) -> None
-        alias = self.anchors[node]
-        if node in self.serialized_nodes:
-            node_style = getattr(node, 'style', None)
-            if node_style != '?':
-                node_style = None
-            self.emitter.emit(AliasEvent(alias, style=node_style))
-        else:
-            self.serialized_nodes[node] = True
-            self.resolver.descend_resolver(parent, index)
-            if isinstance(node, ScalarNode):
-                # here check if the node.tag equals the one that would result from parsing
-                # if not equal quoting is necessary for strings
-                detected_tag = self.resolver.resolve(ScalarNode, node.value, (True, False))
-                default_tag = self.resolver.resolve(ScalarNode, node.value, (False, True))
-                implicit = (
-                    (node.tag == detected_tag),
-                    (node.tag == default_tag),
-                    node.tag.startswith('tag:yaml.org,2002:'),
-                )
-                self.emitter.emit(
-                    ScalarEvent(
-                        alias,
-                        node.tag,
-                        implicit,
-                        node.value,
-                        style=node.style,
-                        comment=node.comment,
-                    )
-                )
-            elif isinstance(node, SequenceNode):
-                implicit = node.tag == self.resolver.resolve(SequenceNode, node.value, True)
-                comment = node.comment
-                end_comment = None
-                seq_comment = None
-                if node.flow_style is True:
-                    if comment:  # eol comment on flow style sequence
-                        seq_comment = comment[0]
-                        # comment[0] = None
-                if comment and len(comment) > 2:
-                    end_comment = comment[2]
-                else:
-                    end_comment = None
-                self.emitter.emit(
-                    SequenceStartEvent(
-                        alias,
-                        node.tag,
-                        implicit,
-                        flow_style=node.flow_style,
-                        comment=node.comment,
-                    )
-                )
-                index = 0
-                for item in node.value:
-                    self.serialize_node(item, node, index)
-                    index += 1
-                self.emitter.emit(SequenceEndEvent(comment=[seq_comment, end_comment]))
-            elif isinstance(node, MappingNode):
-                implicit = node.tag == self.resolver.resolve(MappingNode, node.value, True)
-                comment = node.comment
-                end_comment = None
-                map_comment = None
-                if node.flow_style is True:
-                    if comment:  # eol comment on flow style sequence
-                        map_comment = comment[0]
-                        # comment[0] = None
-                if comment and len(comment) > 2:
-                    end_comment = comment[2]
-                self.emitter.emit(
-                    MappingStartEvent(
-                        alias,
-                        node.tag,
-                        implicit,
-                        flow_style=node.flow_style,
-                        comment=node.comment,
-                        nr_items=len(node.value),
-                    )
-                )
-                for key, value in node.value:
-                    self.serialize_node(key, node, None)
-                    self.serialize_node(value, node, key)
-                self.emitter.emit(MappingEndEvent(comment=[map_comment, end_comment]))
-            self.resolver.ascend_resolver()
-
-
-def templated_id(s):
-    # type: (Text) -> Any
-    return Serializer.ANCHOR_RE.match(s)