update test to match

ci: print spec in each rebuild job
llvm: add v19.1.6 (#48162 )
2025-02-18 14:11:32 -08:00 · 2025-02-12 14:53:52 -08:00 · 2025-01-09 13:51:46 -08:00 · 2025-01-09 09:16:57 -08:00 · 2025-01-09 09:15:12 -08:00 · 2025-01-09 09:11:08 -08:00
9435 changed files with 12019 additions and 20448 deletions
--- a/.github/workflows/bin/setup_git.ps1
+++ b/.github/workflows/bin/setup_git.ps1
@@ -1,5 +1,3 @@
-# (c) 2022 Lawrence Livermore National Laboratory
-
 git config --global user.email "spack@example.com"
 git config --global user.name "Test User"
 git config --global core.longpaths true
--- a/.github/workflows/bootstrap.yml
+++ b/.github/workflows/bootstrap.yml
@@ -161,11 +161,7 @@ jobs:
          source share/spack/setup-env.sh
          spack -d gpg list
          tree $HOME/.spack/bootstrap/store/
-      - name: Bootstrap File
-        run: |
-          source share/spack/setup-env.sh
-          spack -d python share/spack/qa/bootstrap-file.py
-          tree $HOME/.spack/bootstrap/store/
+

  windows:
    runs-on: "windows-latest"
@@ -196,9 +192,3 @@ jobs:
          spack -d gpg list
          ./share/spack/qa/validate_last_exit.ps1
          tree $env:userprofile/.spack/bootstrap/store/
-      - name: Bootstrap File
-        run: |
-          ./share/spack/setup-env.ps1
-          spack -d python share/spack/qa/bootstrap-file.py
-          ./share/spack/qa/validate_last_exit.ps1
-          tree $env:userprofile/.spack/bootstrap/store/
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -29,7 +29,7 @@ jobs:
    - run: coverage xml

    - name: "Upload coverage report to CodeCov"
-      uses: codecov/codecov-action@05f5a9cfad807516dbbef9929c4a42df3eb78766
+      uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303
      with:
        verbose: true
        fail_ci_if_error: false
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -140,7 +140,7 @@ jobs:
    - name: Install dependencies
      run: |
          dnf install -y \
-              bzip2 curl file gcc-c++ gcc gcc-gfortran git gnupg2 gzip \
+              bzip2 curl gcc-c++ gcc gcc-gfortran git gnupg2 gzip \
              make patch tcl unzip which xz
    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
    - name: Setup repo and non-root user
--- a/5
+++ b/5
@@ -8,8 +8,9 @@ or http://www.apache.org/licenses/LICENSE-2.0) or the MIT license,
 Copyrights and patents in the Spack project are retained by contributors.
 No copyright assignment is required to contribute to Spack.

-Spack was originally distributed under the LGPL-2.1 license. Consent from
-contributors to relicense to Apache-2.0/MIT is documented at
+Spack was originally developed in 2013 by Lawrence Livermore National
+Security, LLC. It was originally distributed under the LGPL-2.1 license.
+Consent from contributors to relicense to Apache-2.0/MIT is documented at
 https://github.com/spack/spack/issues/9137.


--- a/2
+++ b/2
@@ -1,6 +1,6 @@
 MIT License

-Copyright (c) 2013-2024 LLNS, LLC and other Spack Project Developers.
+Copyright (c) Spack Project Developers.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
--- a/bin/haspywin.py
+++ b/bin/haspywin.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import subprocess
--- a/bin/sbang
+++ b/bin/sbang
@@ -1,7 +1,6 @@
 #!/bin/sh
 #
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# sbang project developers. See the top-level COPYRIGHT file for details.
+# Copyright sbang project developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/bin/spack
+++ b/bin/spack
@@ -1,8 +1,7 @@
 #!/bin/sh
 # -*- python -*-
 #
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/bin/spack-python
+++ b/bin/spack-python
@@ -1,7 +1,6 @@
 #!/bin/sh
 #
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/bin/spack.bat
+++ b/bin/spack.bat
@@ -1,5 +1,4 @@
-:: Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-:: Spack Project Developers. See the top-level COPYRIGHT file for details.
+:: Copyright Spack Project Developers. See COPYRIGHT file for details.
 ::
 :: SPDX-License-Identifier: (Apache-2.0 OR MIT)
 ::#######################################################################
--- a/bin/spack.ps1
+++ b/bin/spack.ps1
@@ -1,5 +1,4 @@
-#  Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-#  Spack Project Developers. See the top-level COPYRIGHT file for details.
+#  Copyright Spack Project Developers. See COPYRIGHT file for details.

 #  SPDX-License-Identifier: (Apache-2.0 OR MIT)
 # #######################################################################
--- a/bin/spack_pwsh.ps1
+++ b/bin/spack_pwsh.ps1
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/etc/spack/defaults/packages.yaml
+++ b/etc/spack/defaults/packages.yaml
@@ -65,6 +65,7 @@ packages:
      unwind: [libunwind]
      uuid: [util-linux-uuid, libuuid]
      wasi-sdk: [wasi-sdk-prebuilt]
+      xkbdata-api: [xkeyboard-config, xkbdata]
      xxd: [xxd-standalone, vim]
      yacc: [bison, byacc]
      ziglang: [zig]
--- a/lib/spack/docs/_pygments/style.py
+++ b/lib/spack/docs/_pygments/style.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/basic_usage.rst
+++ b/lib/spack/docs/basic_usage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/binary_caches.rst
+++ b/lib/spack/docs/binary_caches.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/bootstrapping.rst
+++ b/lib/spack/docs/bootstrapping.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_settings.rst
+++ b/lib/spack/docs/build_settings.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems.rst
+++ b/lib/spack/docs/build_systems.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/autotoolspackage.rst
+++ b/lib/spack/docs/build_systems/autotoolspackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/bundlepackage.rst
+++ b/lib/spack/docs/build_systems/bundlepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/cachedcmakepackage.rst
+++ b/lib/spack/docs/build_systems/cachedcmakepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/cmakepackage.rst
+++ b/lib/spack/docs/build_systems/cmakepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/cudapackage.rst
+++ b/lib/spack/docs/build_systems/cudapackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/custompackage.rst
+++ b/lib/spack/docs/build_systems/custompackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/inteloneapipackage.rst
+++ b/lib/spack/docs/build_systems/inteloneapipackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/intelpackage.rst
+++ b/lib/spack/docs/build_systems/intelpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/luapackage.rst
+++ b/lib/spack/docs/build_systems/luapackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/makefilepackage.rst
+++ b/lib/spack/docs/build_systems/makefilepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/mavenpackage.rst
+++ b/lib/spack/docs/build_systems/mavenpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/mesonpackage.rst
+++ b/lib/spack/docs/build_systems/mesonpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/octavepackage.rst
+++ b/lib/spack/docs/build_systems/octavepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/perlpackage.rst
+++ b/lib/spack/docs/build_systems/perlpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/pythonpackage.rst
+++ b/lib/spack/docs/build_systems/pythonpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/qmakepackage.rst
+++ b/lib/spack/docs/build_systems/qmakepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/racketpackage.rst
+++ b/lib/spack/docs/build_systems/racketpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/rocmpackage.rst
+++ b/lib/spack/docs/build_systems/rocmpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/rpackage.rst
+++ b/lib/spack/docs/build_systems/rpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/rubypackage.rst
+++ b/lib/spack/docs/build_systems/rubypackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/sconspackage.rst
+++ b/lib/spack/docs/build_systems/sconspackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/sippackage.rst
+++ b/lib/spack/docs/build_systems/sippackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/sourceforgepackage.rst
+++ b/lib/spack/docs/build_systems/sourceforgepackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/build_systems/wafpackage.rst
+++ b/lib/spack/docs/build_systems/wafpackage.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/chain.rst
+++ b/lib/spack/docs/chain.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/conf.py
+++ b/lib/spack/docs/conf.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/config_yaml.rst
+++ b/lib/spack/docs/config_yaml.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -26,14 +25,23 @@ These settings can be overridden in ``etc/spack/config.yaml`` or
 The location where Spack will install packages and their dependencies.
 Default is ``$spack/opt/spack``.

---------------------------------------------------
-``install_hash_length`` and ``install_path_scheme``
---------------------------------------------------
+---------------
+``projections``
+---------------

-The default Spack installation path can be very long and can create problems
-for scripts with hardcoded shebangs. Additionally, when using the Intel
-compiler, and if there is also a long list of dependencies, the compiler may
-segfault. If you see the following:
+.. warning::
+
+   Modifying projections of the install tree is strongly discouraged.
+
+By default Spack installs all packages into a unique directory relative to the install
+tree root with the following layout:
+
+.. code-block::
+
+   {architecture}/{compiler.name}-{compiler.version}/{name}-{version}-{hash}
+
+In very rare cases, it may be necessary to reduce the length of this path. For example,
+very old versions of the Intel compiler are known to segfault when input paths are too long:

     .. code-block:: console

@@ -41,36 +49,25 @@ segfault. If you see the following:
       ** Segmentation violation signal raised. **
       Access violation or stack overflow. Please contact Intel Support for assistance.

-it may be because variables containing dependency specs may be too long. There
-are two parameters to help with long path names. Firstly, the
-``install_hash_length`` parameter can set the length of the hash in the
-installation path from 1 to 32. The default path uses the full 32 characters.
+Another case is Python and R packages with many runtime dependencies, which can result
+in very large ``PYTHONPATH`` and ``R_LIBS`` environment variables. This can cause the
+``execve`` system call to fail with ``E2BIG``, preventing processes from starting.

-Secondly, it is also possible to modify the entire installation
-scheme. By default Spack uses
-``{architecture}/{compiler.name}-{compiler.version}/{name}-{version}-{hash}``
-where the tokens that are available for use in this directive are the
-same as those understood by the :meth:`~spack.spec.Spec.format`
-method. Using this parameter it is possible to use a different package
-layout or reduce the depth of the installation paths. For example
+For this reason, Spack allows users to modify the installation layout through custom
+projections. For example

     .. code-block:: yaml

       config:
-         install_path_scheme: '{name}/{version}/{hash:7}'
+         install_tree:
+           root: $spack/opt/spack
+           projections:
+             all: "{name}/{version}/{hash:16}"

-would install packages into sub-directories using only the package
-name, version and a hash length of 7 characters.
+would install packages into sub-directories using only the package name, version and a
+hash length of 16 characters.

-When using either parameter to set the hash length it only affects the
-representation of the hash in the installation directory. You
-should be aware that the smaller the hash length the more likely
-naming conflicts will occur. These parameters are independent of those
-used to configure module names.
-
-.. warning:: Modifying the installation hash length or path scheme after
-   packages have been installed will prevent Spack from being
-   able to find the old installation directories.
+Notice that reducing the hash length increases the likelihood of hash collisions.

 --------------------
 ``build_stage``
--- a/lib/spack/docs/configuration.rst
+++ b/lib/spack/docs/configuration.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/containers.rst
+++ b/lib/spack/docs/containers.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/contribution_guide.rst
+++ b/lib/spack/docs/contribution_guide.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/developer_guide.rst
+++ b/lib/spack/docs/developer_guide.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/environments.rst
+++ b/lib/spack/docs/environments.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/extensions.rst
+++ b/lib/spack/docs/extensions.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/features.rst
+++ b/lib/spack/docs/features.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/frequently_asked_questions.rst
+++ b/lib/spack/docs/frequently_asked_questions.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/getting_started.rst
+++ b/lib/spack/docs/getting_started.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -35,7 +34,7 @@ A build matrix showing which packages are working on which systems is shown belo
      .. code-block:: console

         apt update
-         apt install bzip2 ca-certificates file g++ gcc gfortran git gzip lsb-release patch python3 tar unzip xz-utils zstd
+         apt install bzip2 ca-certificates g++ gcc gfortran git gzip lsb-release patch python3 tar unzip xz-utils zstd

   .. tab-item:: RHEL

@@ -148,20 +147,22 @@ The first time you concretize a spec, Spack will bootstrap automatically:
   --------------------------------
   zlib@1.2.13%gcc@9.4.0+optimize+pic+shared build_system=makefile arch=linux-ubuntu20.04-icelake

+The default bootstrap behavior is to use pre-built binaries. You can verify the
+active bootstrap repositories with:
+
+.. command-output:: spack bootstrap list
+
 If for security concerns you cannot bootstrap ``clingo`` from pre-built
 binaries, you have to disable fetching the binaries we generated with Github Actions.

 .. code-block:: console

-   $ spack bootstrap disable github-actions-v0.4
-   ==> "github-actions-v0.4" is now disabled and will not be used for bootstrapping
-   $ spack bootstrap disable github-actions-v0.3
-   ==> "github-actions-v0.3" is now disabled and will not be used for bootstrapping
-
-You can verify that the new settings are effective with:
-
-.. command-output:: spack bootstrap list
+   $ spack bootstrap disable github-actions-v0.6
+   ==> "github-actions-v0.6" is now disabled and will not be used for bootstrapping
+   $ spack bootstrap disable github-actions-v0.5
+   ==> "github-actions-v0.5" is now disabled and will not be used for bootstrapping

+You can verify that the new settings are effective with ``spack bootstrap list``.

 .. note::

--- a/lib/spack/docs/gpu_configuration.rst
+++ b/lib/spack/docs/gpu_configuration.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/index.rst
+++ b/lib/spack/docs/index.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/mirrors.rst
+++ b/lib/spack/docs/mirrors.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/module_file_support.rst
+++ b/lib/spack/docs/module_file_support.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/packages_yaml.rst
+++ b/lib/spack/docs/packages_yaml.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/packaging_guide.rst
+++ b/lib/spack/docs/packaging_guide.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -237,8 +236,7 @@ for details):
 .. code-block:: python
   :linenos:

-   # Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   # Spack Project Developers. See the top-level COPYRIGHT file for details.
+   # Copyright Spack Project Developers. See COPYRIGHT file for details.
   #
   # SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -4900,15 +4898,15 @@ If your package has a virtual dependency like ``mpi``, then referring to
 ``spec["mpi"]`` within ``install()`` will get you the concrete ``mpi``
 implementation in your dependency DAG.  That is a spec object just like
 the one passed to install, only the MPI implementations all set some
-additional properties on it to help you out.  E.g., in mvapich2, you'll
+additional properties on it to help you out.  E.g., in openmpi, you'll
 find this:

-.. literalinclude:: _spack_root/var/spack/repos/builtin/packages/mvapich2/package.py
-   :pyobject: Mvapich2.setup_dependent_package
+.. literalinclude:: _spack_root/var/spack/repos/builtin/packages/openmpi/package.py
+   :pyobject: Openmpi.setup_dependent_package

-That code allows the mvapich2 package to associate an ``mpicc`` property
-with the ``mvapich2`` node in the DAG, so that dependents can access it.
-``openmpi`` and ``mpich`` do similar things.  So, no matter what MPI
+That code allows the ``openmpi`` package to associate an ``mpicc`` property
+with the ``openmpi`` node in the DAG, so that dependents can access it.
+``mvapich2`` and ``mpich`` do similar things.  So, no matter what MPI
 you're using, spec["mpi"].mpicc gets you the location of the MPI
 compilers. This allows us to have a fairly simple polymorphic interface
 for information about virtual dependencies like MPI.
--- a/lib/spack/docs/pipelines.rst
+++ b/lib/spack/docs/pipelines.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/replace_conda_homebrew.rst
+++ b/lib/spack/docs/replace_conda_homebrew.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/repositories.rst
+++ b/lib/spack/docs/repositories.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -4,8 +4,8 @@ sphinx_design==0.6.1
 sphinx-rtd-theme==3.0.2
 python-levenshtein==0.26.1
 docutils==0.21.2
-pygments==2.18.0
-urllib3==2.2.3
+pygments==2.19.1
+urllib3==2.3.0
 pytest==8.3.4
 isort==5.13.2
 black==24.10.0
--- a/lib/spack/docs/signing.rst
+++ b/lib/spack/docs/signing.rst
@@ -1,5 +1,4 @@
-.. Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-   Spack Project Developers. See the top-level COPYRIGHT file for details.
+.. Copyright Spack Project Developers. See COPYRIGHT file for details.

   SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/spack.yaml
+++ b/lib/spack/docs/spack.yaml
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/docs/tables/system_prerequisites.csv
+++ b/lib/spack/docs/tables/system_prerequisites.csv
@@ -8,7 +8,6 @@ unzip, , , Compress/Decompress archives
 bzip2, , , Compress/Decompress archives
 xz, , , Compress/Decompress archives
 zstd, , Optional, Compress/Decompress archives
-file, , , Create/Use Buildcaches
 lsb-release, , , Linux: identify operating system version
 gnupg2, , , Sign/Verify Buildcaches
 git, , , Manage Software Repositories
--- a/lib/spack/env/cc
+++ b/lib/spack/env/cc
@@ -1,8 +1,7 @@
 #!/bin/sh -f
 # shellcheck disable=SC2034  # evals in this script fool shellcheck
 #
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/external/init.py
+++ b/lib/spack/external/init.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/init.py
+++ b/lib/spack/llnl/init.py
@@ -1,4 +1,3 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
--- a/lib/spack/llnl/path.py
+++ b/lib/spack/llnl/path.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Path primitives that just require Python standard library."""
--- a/lib/spack/llnl/string.py
+++ b/lib/spack/llnl/string.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """String manipulation functions that do not have other dependencies than Python
--- a/lib/spack/llnl/url.py
+++ b/lib/spack/llnl/url.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """URL primitives that just require Python standard library."""
--- a/lib/spack/llnl/util/init.py
+++ b/lib/spack/llnl/util/init.py
@@ -1,4 +1,3 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
--- a/lib/spack/llnl/util/argparsewriter.py
+++ b/lib/spack/llnl/util/argparsewriter.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import collections
--- a/lib/spack/llnl/util/lang.py
+++ b/lib/spack/llnl/util/lang.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -863,8 +862,10 @@ def elide_list(line_list: List[str], max_num: int = 10) -> List[str]:

 if sys.version_info >= (3, 9):
    PatternStr = re.Pattern[str]
+    PatternBytes = re.Pattern[bytes]
 else:
    PatternStr = typing.Pattern[str]
+    PatternBytes = typing.Pattern[bytes]


 def fnmatch_translate_multiple(named_patterns: Dict[str, str]) -> str:
--- a/lib/spack/llnl/util/link_tree.py
+++ b/lib/spack/llnl/util/link_tree.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/lock.py
+++ b/lib/spack/llnl/util/lock.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/multiproc.py
+++ b/lib/spack/llnl/util/multiproc.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/symlink.py
+++ b/lib/spack/llnl/util/symlink.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import os
--- a/lib/spack/llnl/util/tty/init.py
+++ b/lib/spack/llnl/util/tty/init.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/tty/colify.py
+++ b/lib/spack/llnl/util/tty/colify.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/tty/color.py
+++ b/lib/spack/llnl/util/tty/color.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/tty/log.py
+++ b/lib/spack/llnl/util/tty/log.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/llnl/util/tty/pty.py
+++ b/lib/spack/llnl/util/tty/pty.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/spack/init.py
+++ b/lib/spack/spack/init.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

--- a/lib/spack/spack/audit.py
+++ b/lib/spack/spack/audit.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Classes and functions to register audit checks for various parts of
--- a/lib/spack/spack/binary_distribution.py
+++ b/lib/spack/spack/binary_distribution.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -24,13 +23,12 @@
 import urllib.request
 import warnings
 from contextlib import closing
-from typing import Dict, Iterable, List, NamedTuple, Optional, Set, Tuple, Union
+from typing import IO, Dict, Iterable, List, NamedTuple, Optional, Set, Tuple, Union

 import llnl.util.filesystem as fsys
 import llnl.util.lang
 import llnl.util.tty as tty
-from llnl.util.filesystem import BaseDirectoryVisitor, mkdirp, visit_directory_tree
-from llnl.util.symlink import readlink
+from llnl.util.filesystem import mkdirp

 import spack.caches
 import spack.config as config
@@ -54,7 +52,6 @@
 import spack.util.archive
 import spack.util.crypto
 import spack.util.file_cache as file_cache
-import spack.util.filesystem as ssys
 import spack.util.gpg
 import spack.util.parallel
 import spack.util.path
@@ -587,129 +584,11 @@ def read_buildinfo_file(prefix):
        return syaml.load(f)


-class BuildManifestVisitor(BaseDirectoryVisitor):
-    """Visitor that collects a list of files and symlinks
-    that can be checked for need of relocation. It knows how
-    to dedupe hardlinks and deal with symlinks to files and
-    directories."""
-
-    def __init__(self):
-        # Save unique identifiers of hardlinks to avoid relocating them multiple times
-        self.visited = set()
-
-        # Lists of files we will check
-        self.files = []
-        self.symlinks = []
-
-    def seen_before(self, root, rel_path):
-        stat_result = os.lstat(os.path.join(root, rel_path))
-        if stat_result.st_nlink == 1:
-            return False
-        identifier = (stat_result.st_dev, stat_result.st_ino)
-        if identifier in self.visited:
-            return True
-        else:
-            self.visited.add(identifier)
-            return False
-
-    def visit_file(self, root, rel_path, depth):
-        if self.seen_before(root, rel_path):
-            return
-        self.files.append(rel_path)
-
-    def visit_symlinked_file(self, root, rel_path, depth):
-        # Note: symlinks *can* be hardlinked, but it is unclear if
-        # symlinks can be relinked in-place (preserving inode).
-        # Therefore, we do *not* de-dupe hardlinked symlinks.
-        self.symlinks.append(rel_path)
-
-    def before_visit_dir(self, root, rel_path, depth):
-        return os.path.basename(rel_path) not in (".spack", "man")
-
-    def before_visit_symlinked_dir(self, root, rel_path, depth):
-        # Treat symlinked directories simply as symlinks.
-        self.visit_symlinked_file(root, rel_path, depth)
-        # Never recurse into symlinked directories.
-        return False
-
-
-def file_matches(path, regex):
-    with open(path, "rb") as f:
-        contents = f.read()
-    return bool(regex.search(contents))
-
-
-def get_buildfile_manifest(spec):
-    """
-    Return a data structure with information about a build, including
-    text_to_relocate, binary_to_relocate, binary_to_relocate_fullpath
-    link_to_relocate, and other, which means it doesn't fit any of previous
-    checks (and should not be relocated). We exclude docs (man) and
-    metadata (.spack). This can be used to find a particular kind of file
-    in spack, or to generate the build metadata.
-    """
-    data = {
-        "text_to_relocate": [],
-        "binary_to_relocate": [],
-        "link_to_relocate": [],
-        "other": [],
-        "binary_to_relocate_fullpath": [],
-        "hardlinks_deduped": True,
-    }
-
-    # Guard against filesystem footguns of hardlinks and symlinks by using
-    # a visitor to retrieve a list of files and symlinks, so we don't have
-    # to worry about hardlinks of symlinked dirs and what not.
-    visitor = BuildManifestVisitor()
-    root = spec.prefix
-    visit_directory_tree(root, visitor)
-
-    # Collect a list of prefixes for this package and it's dependencies, Spack will
-    # look for them to decide if text file needs to be relocated or not
-    prefixes = [d.prefix for d in spec.traverse(root=True, deptype="all") if not d.external]
-    prefixes.append(spack.hooks.sbang.sbang_install_path())
-    prefixes.append(str(spack.store.STORE.layout.root))
-
-    # Create a giant regex that matches all prefixes
-    regex = utf8_paths_to_single_binary_regex(prefixes)
-
-    # Symlinks.
-
-    # Obvious bugs:
-    #   1. relative links are not relocated.
-    #   2. paths are used as strings.
-    for rel_path in visitor.symlinks:
-        abs_path = os.path.join(root, rel_path)
-        link = readlink(abs_path)
-        if os.path.isabs(link) and link.startswith(spack.store.STORE.layout.root):
-            data["link_to_relocate"].append(rel_path)
-
-    # Non-symlinks.
-    for rel_path in visitor.files:
-        abs_path = os.path.join(root, rel_path)
-        m_type, m_subtype = ssys.mime_type(abs_path)
-
-        if relocate.needs_binary_relocation(m_type, m_subtype):
-            # Why is this branch not part of needs_binary_relocation? :(
-            if (
-                (
-                    m_subtype in ("x-executable", "x-sharedlib", "x-pie-executable")
-                    and sys.platform != "darwin"
-                )
-                or (m_subtype in ("x-mach-binary") and sys.platform == "darwin")
-                or (not rel_path.endswith(".o"))
-            ):
-                data["binary_to_relocate"].append(rel_path)
-                data["binary_to_relocate_fullpath"].append(abs_path)
-                continue
-
-        elif relocate.needs_text_relocation(m_type, m_subtype) and file_matches(abs_path, regex):
-            data["text_to_relocate"].append(rel_path)
-            continue
-
-        data["other"].append(abs_path)
-
-    return data
+def file_matches(f: IO[bytes], regex: llnl.util.lang.PatternBytes) -> bool:
+    try:
+        return bool(regex.search(f.read()))
+    finally:
+        f.seek(0)


 def deps_to_relocate(spec):
@@ -742,17 +621,15 @@ def deps_to_relocate(spec):

 def get_buildinfo_dict(spec):
    """Create metadata for a tarball"""
-    manifest = get_buildfile_manifest(spec)
-
    return {
        "sbang_install_path": spack.hooks.sbang.sbang_install_path(),
        "buildpath": spack.store.STORE.layout.root,
        "spackprefix": spack.paths.prefix,
        "relative_prefix": os.path.relpath(spec.prefix, spack.store.STORE.layout.root),
-        "relocate_textfiles": manifest["text_to_relocate"],
-        "relocate_binaries": manifest["binary_to_relocate"],
-        "relocate_links": manifest["link_to_relocate"],
-        "hardlinks_deduped": manifest["hardlinks_deduped"],
+        # "relocate_textfiles": [],
+        # "relocate_binaries": [],
+        # "relocate_links": [],
+        "hardlinks_deduped": True,
        "hash_to_prefix": {d.dag_hash(): str(d.prefix) for d in deps_to_relocate(spec)},
    }

@@ -1042,7 +919,55 @@ def generate_key_index(key_prefix: str, tmpdir: str) -> None:
        ) from e


-def tarfile_of_spec_prefix(tar: tarfile.TarFile, prefix: str) -> None:
+class FileTypes:
+    BINARY = 0
+    TEXT = 1
+    UNKNOWN = 2
+
+
+NOT_ISO8859_1_TEXT = re.compile(b"[\x00\x7F-\x9F]")
+
+
+def file_type(f: IO[bytes]) -> int:
+    try:
+        # first check if this is an ELF or mach-o binary.
+        magic = f.read(8)
+        if len(magic) < 8:
+            return FileTypes.UNKNOWN
+        elif relocate.is_elf_magic(magic) or relocate.is_macho_magic(magic):
+            return FileTypes.BINARY
+
+        f.seek(0)
+
+        # Then try utf-8, which has a fast exponential decay in false positive rate with file size.
+        # Use chunked reads for fast early exit.
+        f_txt = io.TextIOWrapper(f, encoding="utf-8", errors="strict")
+        try:
+            while f_txt.read(1024):
+                pass
+            return FileTypes.TEXT
+        except UnicodeError:
+            f_txt.seek(0)
+            pass
+        finally:
+            f_txt.detach()
+        # Finally try iso-8859-1 heuristically. In Python, all possible 256 byte values are valid.
+        # We classify it as text if it does not contain any control characters / null bytes.
+        data = f.read(1024)
+        while data:
+            if NOT_ISO8859_1_TEXT.search(data):
+                break
+            data = f.read(1024)
+        else:
+            return FileTypes.TEXT
+        return FileTypes.UNKNOWN
+    finally:
+        f.seek(0)
+
+
+def tarfile_of_spec_prefix(
+    tar: tarfile.TarFile, prefix: str, prefixes_to_relocate: List[str]
+) -> dict:
    """Create a tarfile of an install prefix of a spec. Skips existing buildinfo file.

    Args:
@@ -1058,6 +983,33 @@ def tarfile_of_spec_prefix(tar: tarfile.TarFile, prefix: str) -> None:
    except OSError:
        skip = lambda entry: False

+    binary_regex = utf8_paths_to_single_binary_regex(prefixes_to_relocate)
+
+    relocate_binaries = []
+    relocate_links = []
+    relocate_textfiles = []
+
+    # use callbacks to add files and symlinks, so we can register which files need relocation upon
+    # extraction.
+    def add_file(tar: tarfile.TarFile, info: tarfile.TarInfo, path: str):
+        with open(path, "rb") as f:
+            relpath = os.path.relpath(path, prefix)
+            # no need to relocate anything in the .spack directory
+            if relpath.split(os.sep, 1)[0] == ".spack":
+                tar.addfile(info, f)
+                return
+            f_type = file_type(f)
+            if f_type == FileTypes.BINARY:
+                relocate_binaries.append(os.path.relpath(path, prefix))
+            elif f_type == FileTypes.TEXT and file_matches(f, binary_regex):
+                relocate_textfiles.append(os.path.relpath(path, prefix))
+            tar.addfile(info, f)
+
+    def add_symlink(tar: tarfile.TarFile, info: tarfile.TarInfo, path: str):
+        if os.path.isabs(info.linkname) and binary_regex.match(info.linkname.encode("utf-8")):
+            relocate_links.append(os.path.relpath(path, prefix))
+        tar.addfile(info)
+
    spack.util.archive.reproducible_tarfile_from_prefix(
        tar,
        prefix,
@@ -1065,29 +1017,51 @@ def tarfile_of_spec_prefix(tar: tarfile.TarFile, prefix: str) -> None:
        # used in runtimes like AWS lambda.
        include_parent_directories=True,
        skip=skip,
+        add_file=add_file,
+        add_symlink=add_symlink,
+    )
+
+    return {
+        "relocate_binaries": relocate_binaries,
+        "relocate_links": relocate_links,
+        "relocate_textfiles": relocate_textfiles,
+    }
+
+
+def create_tarball(spec: spack.spec.Spec, tarfile_path: str) -> Tuple[str, str]:
+    """Create a tarball of a spec and return the checksums of the compressed tarfile and the
+    uncompressed tarfile."""
+    return _do_create_tarball(
+        tarfile_path,
+        spec.prefix,
+        buildinfo=get_buildinfo_dict(spec),
+        prefixes_to_relocate=prefixes_to_relocate(spec),
    )


-def _do_create_tarball(tarfile_path: str, binaries_dir: str, buildinfo: dict):
+def _do_create_tarball(
+    tarfile_path: str, prefix: str, buildinfo: dict, prefixes_to_relocate: List[str]
+) -> Tuple[str, str]:
    with spack.util.archive.gzip_compressed_tarfile(tarfile_path) as (
        tar,
-        inner_checksum,
-        outer_checksum,
+        tar_gz_checksum,
+        tar_checksum,
    ):
        # Tarball the install prefix
-        tarfile_of_spec_prefix(tar, binaries_dir)
+        files_to_relocate = tarfile_of_spec_prefix(tar, prefix, prefixes_to_relocate)
+        buildinfo.update(files_to_relocate)

        # Serialize buildinfo for the tarball
        bstring = syaml.dump(buildinfo, default_flow_style=True).encode("utf-8")
        tarinfo = tarfile.TarInfo(
-            name=spack.util.archive.default_path_to_name(buildinfo_file_name(binaries_dir))
+            name=spack.util.archive.default_path_to_name(buildinfo_file_name(prefix))
        )
        tarinfo.type = tarfile.REGTYPE
        tarinfo.size = len(bstring)
        tarinfo.mode = 0o644
        tar.addfile(tarinfo, io.BytesIO(bstring))

-    return inner_checksum.hexdigest(), outer_checksum.hexdigest()
+    return tar_gz_checksum.hexdigest(), tar_checksum.hexdigest()


 class ExistsInBuildcache(NamedTuple):
@@ -1137,6 +1111,13 @@ def _exists_in_buildcache(spec: spack.spec.Spec, tmpdir: str, out_url: str) -> E
    return ExistsInBuildcache(signed, unsigned, tarball)


+def prefixes_to_relocate(spec):
+    prefixes = [s.prefix for s in deps_to_relocate(spec)]
+    prefixes.append(spack.hooks.sbang.sbang_install_path())
+    prefixes.append(str(spack.store.STORE.layout.root))
+    return prefixes
+
+
 def _url_upload_tarball_and_specfile(
    spec: spack.spec.Spec,
    tmpdir: str,
@@ -1146,7 +1127,7 @@ def _url_upload_tarball_and_specfile(
 ):
    files = BuildcacheFiles(spec, tmpdir, out_url)
    tarball = files.local_tarball()
-    checksum, _ = _do_create_tarball(tarball, spec.prefix, get_buildinfo_dict(spec))
+    checksum, _ = create_tarball(spec, tarball)
    spec_dict = spec.to_dict(hash=ht.dag_hash)
    spec_dict["buildcache_layout_version"] = CURRENT_BUILD_CACHE_LAYOUT_VERSION
    spec_dict["binary_cache_checksum"] = {"hash_algorithm": "sha256", "hash": checksum}
@@ -1470,13 +1451,11 @@ def _oci_push_pkg_blob(
    filename = os.path.join(tmpdir, f"{spec.dag_hash()}.tar.gz")

    # Create an oci.image.layer aka tarball of the package
-    compressed_tarfile_checksum, tarfile_checksum = _do_create_tarball(
-        filename, spec.prefix, get_buildinfo_dict(spec)
-    )
+    tar_gz_checksum, tar_checksum = create_tarball(spec, filename)

    blob = spack.oci.oci.Blob(
-        Digest.from_sha256(compressed_tarfile_checksum),
-        Digest.from_sha256(tarfile_checksum),
+        Digest.from_sha256(tar_gz_checksum),
+        Digest.from_sha256(tar_checksum),
        os.path.getsize(filename),
    )

@@ -2435,6 +2414,14 @@ def _tar_strip_component(tar: tarfile.TarFile, prefix: str):
        yield m


+def extract_buildcache_tarball(tarfile_path: str, destination: str) -> None:
+    with closing(tarfile.open(tarfile_path, "r")) as tar:
+        # Remove common prefix from tarball entries and directly extract them to the install dir.
+        tar.extractall(
+            path=destination, members=_tar_strip_component(tar, prefix=_ensure_common_prefix(tar))
+        )
+
+
 def extract_tarball(spec, download_result, force=False, timer=timer.NULL_TIMER):
    """
    extract binary tarball for given package into install area
@@ -2504,12 +2491,7 @@ def extract_tarball(spec, download_result, force=False, timer=timer.NULL_TIMER):
                tarfile_path, size, contents, "sha256", expected, local_checksum
            )
    try:
-        with closing(tarfile.open(tarfile_path, "r")) as tar:
-            # Remove install prefix from tarfil to extract directly into spec.prefix
-            tar.extractall(
-                path=spec.prefix,
-                members=_tar_strip_component(tar, prefix=_ensure_common_prefix(tar)),
-            )
+        extract_buildcache_tarball(tarfile_path, destination=spec.prefix)
    except Exception:
        shutil.rmtree(spec.prefix, ignore_errors=True)
        _delete_staged_downloads(download_result)
--- a/lib/spack/spack/bootstrap/init.py
+++ b/lib/spack/spack/bootstrap/init.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Function and classes needed to bootstrap Spack itself."""
@@ -9,7 +8,6 @@
    all_core_root_specs,
    ensure_clingo_importable_or_raise,
    ensure_core_dependencies,
-    ensure_file_in_path_or_raise,
    ensure_gpg_in_path_or_raise,
    ensure_patchelf_in_path_or_raise,
 )
@@ -20,7 +18,6 @@
    "is_bootstrapping",
    "ensure_bootstrap_configuration",
    "ensure_core_dependencies",
-    "ensure_file_in_path_or_raise",
    "ensure_gpg_in_path_or_raise",
    "ensure_clingo_importable_or_raise",
    "ensure_patchelf_in_path_or_raise",
--- a/lib/spack/spack/bootstrap/_common.py
+++ b/lib/spack/spack/bootstrap/_common.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Common basic functions used through the spack.bootstrap package"""
--- a/lib/spack/spack/bootstrap/clingo.py
+++ b/lib/spack/spack/bootstrap/clingo.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Bootstrap concrete specs for clingo
--- a/lib/spack/spack/bootstrap/config.py
+++ b/lib/spack/spack/bootstrap/config.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Manage configuration swapping for bootstrapping purposes"""
--- a/lib/spack/spack/bootstrap/core.py
+++ b/lib/spack/spack/bootstrap/core.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Bootstrap Spack core dependencies from binaries.
@@ -481,19 +480,6 @@ def ensure_gpg_in_path_or_raise() -> None:
    )


-def file_root_spec() -> str:
-    """Return the root spec used to bootstrap file"""
-    root_spec_name = "win-file" if IS_WINDOWS else "file"
-    return _root_spec(root_spec_name)
-
-
-def ensure_file_in_path_or_raise() -> None:
-    """Ensure file is in the PATH or raise"""
-    return ensure_executables_in_path_or_raise(
-        executables=["file"], abstract_spec=file_root_spec()
-    )
-
-
 def patchelf_root_spec() -> str:
    """Return the root spec used to bootstrap patchelf"""
    # 0.13.1 is the last version not to require C++17.
@@ -562,10 +548,9 @@ def ensure_winsdk_external_or_raise() -> None:
            missing_packages_lst.append("win-sdk")
        missing_packages = " & ".join(missing_packages_lst)
        raise RuntimeError(
-            f"Unable to find the {missing_packages}, please install these packages \
-via the Visual Studio installer \
-before proceeding with Spack or provide the path to a non standard install with \
-'spack external find --path'"
+            f"Unable to find the {missing_packages}, please install these packages via the Visual "
+            "Studio installer before proceeding with Spack or provide the path to a non standard "
+            "install with 'spack external find --path'"
        )
    # wgl/sdk are not required for bootstrapping Spack, but
    # are required for building anything non trivial
@@ -577,15 +562,13 @@ def ensure_core_dependencies() -> None:
    """Ensure the presence of all the core dependencies."""
    if sys.platform.lower() == "linux":
        ensure_patchelf_in_path_or_raise()
-    elif sys.platform == "win32":
-        ensure_file_in_path_or_raise()
    ensure_gpg_in_path_or_raise()
    ensure_clingo_importable_or_raise()


 def all_core_root_specs() -> List[str]:
    """Return a list of all the core root specs that may be used to bootstrap Spack"""
-    return [clingo_root_spec(), gnupg_root_spec(), patchelf_root_spec(), file_root_spec()]
+    return [clingo_root_spec(), gnupg_root_spec(), patchelf_root_spec()]


 def bootstrapping_sources(scope: Optional[str] = None):
--- a/lib/spack/spack/bootstrap/environment.py
+++ b/lib/spack/spack/bootstrap/environment.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Bootstrap non-core Spack dependencies from an environment."""
--- a/lib/spack/spack/bootstrap/status.py
+++ b/lib/spack/spack/bootstrap/status.py
@@ -1,10 +1,9 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 """Query the status of bootstrapping on this machine"""
-import platform
-from typing import List, Optional, Sequence, Tuple, Union
+import sys
+from typing import Dict, List, Optional, Sequence, Tuple, Union

 import spack.util.executable

@@ -72,7 +71,7 @@ def _core_requirements() -> List[RequiredResponseType]:
        "bzip2": _missing("bzip2", "required to compress/decompress code archives"),
        "git": _missing("git", "required to fetch/manage git repositories"),
    }
-    if platform.system().lower() == "linux":
+    if sys.platform == "linux":
        _core_system_exes["xz"] = _missing("xz", "required to compress/decompress code archives")

    # Executables that are not bootstrapped yet
@@ -87,17 +86,16 @@ def _core_requirements() -> List[RequiredResponseType]:


 def _buildcache_requirements() -> List[RequiredResponseType]:
-    _buildcache_exes = {
-        "file": _missing("file", "required to analyze files for buildcaches", system_only=False),
-        ("gpg2", "gpg"): _missing("gpg2", "required to sign/verify buildcaches", False),
+    _buildcache_exes: Dict[ExecutablesType, str] = {
+        ("gpg2", "gpg"): _missing("gpg2", "required to sign/verify buildcaches", False)
    }
-    if platform.system().lower() == "darwin":
+    if sys.platform == "darwin":
        _buildcache_exes["otool"] = _missing("otool", "required to relocate binaries")

    # Executables that are not bootstrapped yet
    result = [_required_system_executable(exe, msg) for exe, msg in _buildcache_exes.items()]

-    if platform.system().lower() == "linux":
+    if sys.platform == "linux":
        result.append(
            _required_executable(
                "patchelf",
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -1,5 +1,4 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)

@@ -924,7 +923,9 @@ def effective_deptypes(
    in reverse so that dependents override dependencies, not the other way around."""
    topo_sorted_edges = traverse.traverse_topo_edges_generator(
        traverse.with_artificial_edges(specs),
-        visitor=EnvironmentVisitor(*specs, context=context),
+        visitor=traverse.CoverEdgesVisitor(
+            EnvironmentVisitor(*specs, context=context), key=traverse.by_dag_hash
+        ),
        key=traverse.by_dag_hash,
        root=True,
        all_edges=True,
--- a/lib/spack/spack/build_systems/init.py
+++ b/lib/spack/spack/build_systems/init.py
@@ -1,4 +1,3 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
--- a/Show More
+++ b/Show More