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Add a custom hook for dev_path changes (#46529)

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* Add a custom hook for dev_path changes

Co-authored-by: Greg Becker <becker33@llnl.gov>
This commit is contained in:
psakievich
2024-09-26 09:59:13 -06:00
committed by GitHub
parent bbd205543b
commit ea6e39805a
3 changed files with 21 additions and 6 deletions
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8
lib/spack/docs/environments.rst
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@@ -414,7 +414,13 @@ default, it will also clone the package to a subdirectory in the
environment. This package will have a special variant ``dev_path``
set, and Spack will ensure the package and its dependents are rebuilt
any time the environment is installed if the package's local source
code has been modified. Spack ensures that all instances of a
code has been modified. Spack's native implementation to check for modifications
is to check if ``mtime`` is newer than the installation.
A custom check can be created by overriding the ``detect_dev_src_change`` method
in your package class. This is particularly useful for projects using custom spack repo's
to drive development and want to optimize performance.
Spack ensures that all instances of a
developed package in the environment are concretized to match the
version (and other constraints) passed as the spec argument to the
``spack develop`` command.