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`NamedTempFile::new_in` uses 0o600 permissions which are not what we want for wheels and sdists.
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When testing this locally, I get 0o644 for a hatchling build backend, When using the uv build fast path, I get 0o664 and when using I'm using Ubuntu 24.04 defaults: |
EliteTK
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uv build produce wheel and sdist files with 0o666 permissions on unix platforms againuv_build build backend produce wheel and sdist files with 0o666 permissions on unix platforms again
EliteTK
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uv_build build backend produce wheel and sdist files with 0o666 permissions on unix platforms againuv_build build backend produce wheel and sdist files with 0o666 & !umask permissions on unix platforms again
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I've adjusted the title to clarify, it's just build backend specific. Hatchling presumably requests |
konstin
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Feb 16, 2026
tmeijn
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Feb 18, 2026
This MR contains the following updates: | Package | Update | Change | |---|---|---| | [uv](https://github.com/astral-sh/uv) | patch | `0.10.3` → `0.10.4` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>astral-sh/uv (uv)</summary> ### [`v0.10.4`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0104) [Compare Source](astral-sh/uv@0.10.3...0.10.4) Released on 2026-02-17. ##### Enhancements - Remove duplicate references to the affected paths when showing `uv python` errors ([#​18008](astral-sh/uv#18008)) - Skip discovery of workspace members that contain only git-ignored files, including in sub-directories ([#​18051](astral-sh/uv#18051)) ##### Bug fixes - Don't panic when initialising a package at the filesystem root (e.g. `uv init / --name foo`) ([#​17983](astral-sh/uv#17983)) - Fix permissions on `wheel` and `sdist` files produced by the `uv_build` build backend ([#​18020](astral-sh/uv#18020)) - Revert locked file change to fix locked files on NFS mounts ([#​18071](astral-sh/uv#18071)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xOS4yIiwidXBkYXRlZEluVmVyIjoiNDMuMTkuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiUmVub3ZhdGUgQm90IiwiYXV0b21hdGlvbjpib3QtYXV0aG9yZWQiLCJkZXBlbmRlbmN5LXR5cGU6OnBhdGNoIl19-->
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Summary
Fix #18004.
#17276 introduced a regression since
NamedTempFile::new_indefaults to0o600permissions. Fortunatelyuv_fsalready has a wrapper for anew_inwith "normal" permissions this so this PR uses that.Test Plan
Reliable testing would require us to support setting a umask for a test context process which we currently don't have support for and implementing it is not trivial so for now I just tested this manually.
To test, you can just use: