Ensure selfcheck file inherits directory permissions #13528
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Hi @amol- thanks for your PR to pip. Please be aware it take the maintainers some time to review as we are all doing this on a volunteer basis. |
ichard26
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Aug 13, 2025
Co-authored-by: Richard Si <[email protected]>
Signed-off-by: Alessandro Molina <[email protected]>
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ichard26
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Aug 14, 2025
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@ichard26 is there anything else I can help with to have this one merged? Happy to do what I can |
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When writing files to cache pip does copy the permissions from the cache directory, this is an expected behaviour to ensure that any user that has access to the cache has also access to its content.
Copying the permissions explicitly is necessary due to the use of
adjacent_tmp_filewhich by virtue oftempfile.mkstemp(indirectly viaNamedTemporaryFile) causes all files to be created with600permissions.This is not happening for
selfcheck/XXXXXby the way, which makes the selfcheck unaccessible by users different from the one that created the cache.This PullRequest creates an helper method
copy_directory_permissionswhich allows both the cache and the selfcheck file to share the same logic in copying directory permissions and thus ensure consistency in cache files permissions.