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Add warning for uv lock --frozen#17859

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zanieb merged 1 commit intoastral-sh:mainfrom
zaniebot:claude/add-frozen-lock-warning-pTdDE
Feb 18, 2026
Merged

Add warning for uv lock --frozen#17859
zanieb merged 1 commit intoastral-sh:mainfrom
zaniebot:claude/add-frozen-lock-warning-pTdDE

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@zanieb zanieb commented Feb 4, 2026

Closes #12783

@zanieb zanieb added the error messages Messaging when something goes wrong label Feb 4, 2026
@zaniebot zaniebot force-pushed the claude/add-frozen-lock-warning-pTdDE branch from bfdd161 to d309a21 Compare February 4, 2026 19:34
@zanieb zanieb force-pushed the claude/add-frozen-lock-warning-pTdDE branch 3 times, most recently from 60e3293 to 676f92d Compare February 5, 2026 00:20
@zanieb zanieb force-pushed the claude/add-frozen-lock-warning-pTdDE branch from 676f92d to 3151b74 Compare February 18, 2026 15:40
When `UV_FROZEN=1` is set or `--frozen` is passed to `uv lock`, the
command silently succeeds without updating the lockfile. This can be
confusing to users who expect `uv lock` to always update the lockfile.

This change adds a warning message when `uv lock` runs in frozen mode,
informing the user that the lockfile was not updated. When the frozen
mode comes from an environment variable or configuration (rather than
an explicit `--frozen` flag), the warning also suggests using
`--no-frozen` to override the setting.

Closes astral-sh#12783

https://claude.ai/code/session_01R6PyJQNXRPmox6ePF4aP7j
@zanieb zanieb force-pushed the claude/add-frozen-lock-warning-pTdDE branch from 3151b74 to e039314 Compare February 18, 2026 16:17
@zanieb zanieb marked this pull request as ready for review February 18, 2026 16:17
@zanieb zanieb enabled auto-merge (squash) February 18, 2026 16:40
@zanieb zanieb merged commit c42f635 into astral-sh:main Feb 18, 2026
102 of 104 checks passed
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Feb 25, 2026
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [uv](https://github.com/astral-sh/uv) | patch | `0.10.4` → `0.10.6` |

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>

### [`v0.10.6`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0106)

[Compare Source](astral-sh/uv@0.10.5...0.10.6)

Released on 2026-02-24.

##### Bug fixes

- Apply lockfile marker normalization for fork markers ([#&#8203;18116](astral-sh/uv#18116))
- Fix Python version selection for scripts with a `requires-python` conflicting with `.python-version` ([#&#8203;18097](astral-sh/uv#18097))
- Preserve file permissions when using reflinks on Linux ([#&#8203;18187](astral-sh/uv#18187))

##### Documentation

- Remove verbose documentation from optional dependencies help text ([#&#8203;18180](astral-sh/uv#18180))

### [`v0.10.5`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0105)

[Compare Source](astral-sh/uv@0.10.4...0.10.5)

Released on 2026-02-23.

##### Enhancements

- Add hint when named index is found in a parent config file ([#&#8203;18087](astral-sh/uv#18087))
- Add warning for `uv lock --frozen` ([#&#8203;17859](astral-sh/uv#17859))
- Attempt to use reflinks by default on Linux ([#&#8203;18117](astral-sh/uv#18117))
- Fallback to hardlinks after reflink failure before copying ([#&#8203;18104](astral-sh/uv#18104))
- Filter `pylock.toml` wheels by tags and `requires-python` ([#&#8203;18081](astral-sh/uv#18081))
- Validate wheel filenames are normalized during `uv publish` ([#&#8203;17783](astral-sh/uv#17783))
- Fix message when `exclude-newer` invalidates the lock file ([#&#8203;18100](astral-sh/uv#18100))
- Change the missing files log level to debug ([#&#8203;18075](astral-sh/uv#18075))

##### Performance

- Improve performance of repeated conflicts with an extra ([#&#8203;18094](astral-sh/uv#18094))

##### Bug fixes

- Fix `--no-emit-workspace` with `--all-packages` on single-member workspaces ([#&#8203;18098](astral-sh/uv#18098))
- Fix `UV_NO_DEFAULT_GROUPS` rejecting truthy values like `1` ([#&#8203;18057](astral-sh/uv#18057))
- Fix iOS detection ([#&#8203;17973](astral-sh/uv#17973))
- Propagate project-level conflicts to package extras ([#&#8203;18096](astral-sh/uv#18096))
- Use a global build concurrency semaphore ([#&#8203;18054](astral-sh/uv#18054))

##### Documentation

- Update documentation heading for environment variable files ([#&#8203;18122](astral-sh/uv#18122))
- Fix comment about `uv export` formats ([#&#8203;17900](astral-sh/uv#17900))
- Make it clear that Windows is supported in user- and system- level configuration docs ([#&#8203;18106](astral-sh/uv#18106))

</details>

---

### Configuration

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🔕 **Ignore**: Close this MR and you won't be reminded about this update again.

---

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---

This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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uv lock should work even if UV_FROZEN is set

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