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Add preview option to respect umask when creating lock files#17961

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EliteTK wants to merge 1 commit intomainfrom
tk/lockedfile-preview-umask
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Add preview option to respect umask when creating lock files#17961
EliteTK wants to merge 1 commit intomainfrom
tk/lockedfile-preview-umask

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@EliteTK EliteTK commented Feb 11, 2026

Summary

Fixes #16769

Closes #17646

Add the respect-umask preview feature which allows a breaking cache change which makes uv respect the umask when creating cache lock files.

The PR also changes this globally everywhere else, which is also a breaking change (To Do: Investigate if we also have a policy here, and also consider making these also preview configurable).

Happy to hear any comments, I'm still undecided on the approach or the naming.

Test Plan

To Do

@EliteTK EliteTK added the breaking A breaking change label Feb 11, 2026
@EliteTK EliteTK force-pushed the tk/lockedfile-preview-umask branch 2 times, most recently from 64bb690 to ad4fc92 Compare February 11, 2026 01:53
@EliteTK EliteTK force-pushed the tk/lockedfile-preview-umask branch from ad4fc92 to f1f9919 Compare February 20, 2026 12:09
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Add Setting To No Longer Force Lock Files to have 777 Permissions in Linux

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