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scons: Fix hook installation error caused by stale cache

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Due to the way SCons caches some file system state internally, it
sometimes "remembers" that a file or directory didn't exist at some
point. The git hook installation script sometimes needs to create a
hooks directory in the repository. Due to the cached state of the
hooks directory, the build system tries to create it twice. The second
mkdir operation leads to an error since the directory already exists.

Fix this issue by clearing the cached state of the hooks directory
after creating it.

Change-Id: I3f67f75c06ef928b439a0742f7619b7e92ed093b
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2660
Reviewed-by: Gabe Black <gabeblack@google.com>
This commit is contained in:
Andreas Sandberg 2017-04-05 09:53:43 +01:00
parent 567a9b0a08
commit c7f92c43da
1 changed files with 1 additions and 0 deletions
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@ -399,6 +399,7 @@ def install_git_style_hooks():
if not git_hooks.exists(): if not git_hooks.exists():
mkdir(git_hooks.get_abspath()) mkdir(git_hooks.get_abspath())
git_hooks.clear()
abs_symlink_hooks = git_hooks.islink() and \ abs_symlink_hooks = git_hooks.islink() and \
os.path.isabs(os.readlink(git_hooks.get_abspath())) os.path.isabs(os.readlink(git_hooks.get_abspath()))