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Buildcache: symlinks, externals, & install-checking (#5894)

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* When creating a tar of a package for a build cache, symlinks are
  preserved (the corresponding path in the newly-created tarfile will
  be a symlink rather than a copy of the file)
* Dont add external packages to a build cache
* When installing from binary cache, don't create install prefix until
  verification is complete
This commit is contained in:
Patrick Gartung
2017-10-26 13:06:59 -05:00
committed by scheibelp
parent 5c09176014
commit 8e47b17a4d
4 changed files with 62 additions and 61 deletions
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24
lib/spack/docs/binary_caches.rst
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@@ -26,7 +26,7 @@ Build caches are created via:
.. code-block:: console
$ spack buildcache create
$ spack buildcache create spec
---------------------------------------
@@ -76,12 +76,12 @@ need to be adjusted for better re-locatability.
Create tarball of installed Spack package and all dependencies.
Tarballs are checksummed and signed if gpg2 is available.
Places them in a directory ``build_cache`` that can be copied to a mirror.
Commands like ``spack buildcache install`` will search it for pre-compiled packages.
Commands like ``spack buildcache install`` will search Spack mirrors for build_cache to get the list of build caches.
============== ========================================================================================================================
Arguments Description
============== ========================================================================================================================
``<packages>`` list of package specs or package hashes with leading ``/``
``<specs>`` list of partial specs or hashes with a leading ``/`` to match from installed packages and used for creating build caches
``-d <path>`` directory in which ``build_cache`` directory is created, defaults to ``.``
``-f`` overwrite ``.spack`` file in ``build_cache`` directory if it exists
``-k <key>`` the key to sign package with. In the case where multiple keys exist, the package will be unsigned unless ``-k`` is used.
@@ -95,11 +95,11 @@ Arguments Description
Retrieves all specs for build caches available on a Spack mirror.
============== ==============================================================================
============== =====================================================================================
Arguments Description
============== ==============================================================================
``<packages>`` string to be matched to matched to beginning of listed concretized short specs
============== ==============================================================================
============== =====================================================================================
``<specs>`` list of partial package specs to be matched against specs downloaded for build caches
============== =====================================================================================
E.g. ``spack buildcache list gcc`` with print only commands to install ``gcc`` package(s)
@@ -108,15 +108,15 @@ E.g. ``spack buildcache list gcc`` with print only commands to install ``gcc`` p
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Retrieves all specs for build caches available on a Spack mirror and installs build caches
with specs matching the specs or hashes input.
with specs matching the specs input.
============== ==============================================================
============== ==============================================================================================
Arguments Description
============== ==============================================================
``<packages>`` list of package specs or package hashes with leading ``/``
============== ==============================================================================================
``<specs>`` list of partial package specs or hashes with a leading ``/`` to be installed from build caches
``-f`` remove install directory if it exists before unpacking tarball
``-y`` answer yes to all to don't verify package with gpg questions
============== ==============================================================
============== ==============================================================================================
^^^^^^^^^^^^^^^^^^^^^^^^^
``spack buildcache keys``