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Match identify tags across filename parts - #2399

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Jul 24, 2026
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Match identify tags across filename parts#2399
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@j178 j178 commented Jul 24, 2026

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Summary

Match registered filename tags across all dot-separated name parts when no known extension matched. This restores identify parity for .pylintrc while preserving prek's extension precedence.

Closes #2398

Copilot AI review requested due to automatic review settings July 24, 2026 14:39

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Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

@j178 j178 added the bug Something isn't working label Jul 24, 2026 — with ChatGPT Codex Connector
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codecov Bot commented Jul 24, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.39%. Comparing base (928dc5c) to head (24fc720).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files
@@           Coverage Diff           @@
##           master    #2399   +/-   ##
=======================================
  Coverage   93.38%   93.39%           
=======================================
  Files         129      129           
  Lines       27637    27644    +7     
=======================================
+ Hits        25810    25818    +8     
+ Misses       1827     1826    -1     

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@j178
j178 merged commit c7dfc32 into master Jul 24, 2026
35 checks passed
@j178
j178 deleted the identify-names branch July 24, 2026 14:46
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Aug 11, 2026
This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [prek](https://github.com/j178/prek) | tools | patch | `0.4.10` → `0.4.13` |

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>j178/prek (prek)</summary>

### [`v0.4.13`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0413)

[Compare Source](j178/prek@v0.4.12...v0.4.13)

Released on 2026-08-10.

##### Highlights

##### Manage hook tools with mise

The new `language: mise` support lets hooks install tools using
[`mise`](https://mise.jdx.dev/) in an isolated environment:

```yaml
repos:
  - repo: local
    hooks:
      - id: golangci-lint
        name: golangci-lint
        language: mise
        additional_dependencies: ["aqua:golangci/golangci-lint@2"]
        entry: golangci-lint run --fast-only ./...
        pass_filenames: false
```

##### Run commands in hook environments

The new `prek exec` subcommand can run an explicit command in a configured
hook's prepared environment. For example, the hook above makes its managed
binary available to this command:

```console
$ prek exec golangci-lint -- golangci-lint --version
```

##### Enhancements

- Add `mise` language support ([#&#8203;2540](j178/prek#2540))
- Add `deny-filename-pattern` and `require-filename-pattern` hooks ([#&#8203;2488](j178/prek#2488))
- Add `prek exec` for running commands in a hook environment ([#&#8203;2478](j178/prek#2478))
- Add `yaml-language-server:` comment to YAML sample config ([#&#8203;2486](j178/prek#2486))
- Make `prek cache size` output terminal-aware ([#&#8203;2508](j178/prek#2508))
- Match file regexes against path bytes ([#&#8203;2541](j178/prek#2541))
- Show hook aliases in run output ([#&#8203;2497](j178/prek#2497))
- Show hook descriptions in run output ([#&#8203;2490](j178/prek#2490))

##### Performance

- Avoid env cache scans for skipped hooks ([#&#8203;2502](j178/prek#2502))
- Cache Node version queries ([#&#8203;2500](j178/prek#2500))

##### Bug fixes

- Fix Node hook installation with npm 11 ([#&#8203;2487](j178/prek#2487))
- Isolate dependency installs from inherited Git repository state ([#&#8203;2506](j178/prek#2506))

##### Documentation

- Document combined group filtering ([#&#8203;2495](j178/prek#2495))
- Explain what prek does in README ([#&#8203;2507](j178/prek#2507))
- Refresh "Why prek" highlights ([#&#8203;2474](j178/prek#2474))

##### Contributors

- [@&#8203;will-wright-eng](https://github.com/will-wright-eng)
- [@&#8203;Repiteo](https://github.com/Repiteo)
- [@&#8203;j178](https://github.com/j178)

### [`v0.4.12`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0412)

[Compare Source](j178/prek@v0.4.11...v0.4.12)

Released on 2026-08-03.

##### Enhancements

- Add `--require-group` for hook group intersections ([#&#8203;2472](j178/prek#2472))
- Align fast-path and builtin pre-commit hooks ([#&#8203;2433](j178/prek#2433))
- Do not shuffle file list for verbose output ([#&#8203;2431](j178/prek#2431))
- Improve top-level command descriptions ([#&#8203;2429](j178/prek#2429))
- Install `uv` from Astral CDN and drop source racing ([#&#8203;2455](j178/prek#2455))
- Make `prek install --force` bypass external hooks paths ([#&#8203;2437](j178/prek#2437))
- Show builtin hook flags in verbose list output ([#&#8203;2427](j178/prek#2427))
- Verify uv release archive checksums ([#&#8203;2456](j178/prek#2456))

##### Performance

- Precompute file tags in parallel ([#&#8203;2440](j178/prek#2440))
- Skip diffs after known hook modifications ([#&#8203;2447](j178/prek#2447))
- Skip worktree diffs for read-only languages ([#&#8203;2432](j178/prek#2432))
- Track builtin hook file changes directly ([#&#8203;2404](j178/prek#2404))

##### Bug fixes

- Use full object IDs in diff snapshots ([#&#8203;2448](j178/prek#2448))

##### Documentation

- Add a multi-repository configuration example ([#&#8203;2434](j178/prek#2434))
- Rewrite benchmark documentation ([#&#8203;2469](j178/prek#2469))

##### Contributors

- [@&#8203;j178](https://github.com/j178)
- [@&#8203;BitWeaverDev](https://github.com/BitWeaverDev)
- [@&#8203;allanlewis](https://github.com/allanlewis)

### [`v0.4.11`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0411)

[Compare Source](j178/prek@v0.4.10...v0.4.11)

Released on 2026-07-25.

##### Highlights

- This release adds two new builtin hooks, `deny-pattern` and `require-pattern`,
  as native alternatives for `pygrep` use cases. `deny-pattern` fails when a
  configured pattern is found, while `require-pattern` ensures every selected
  file contains a match. By matching natively without spawning a Python
  subprocess, they run over 4x faster than `pygrep` in benchmarks. Note that
  they use
  [Rust `regex` syntax](https://docs.rs/regex/latest/regex/#syntax), which does
  not support look-around features such as negative lookbehind.

- `prek run` now supports `--glob <PATTERN>` to run hooks on tracked files
  matching a glob. It can be repeated or combined with `--files` and
  `--directory`.

- Hook priorities now support reusable aliases:

  ```toml
  [priorities]
  checks = 10

  [[repos]]
  repo = "builtin"
  hooks = [
    { id = "check-json", priority = "checks" },
    { id = "check-yaml", priority = "checks" },
  ]
  ```

  This makes parallel scheduling easier to read and maintain.

##### Enhancements

- Add `deny-pattern` and `require-pattern` builtin hooks ([#&#8203;2359](j178/prek#2359))
- Support `--glob` patterns in `prek run` ([#&#8203;2381](j178/prek#2381))
- Support reusable aliases for hook priorities ([#&#8203;2331](j178/prek#2331))
- Implement `requirements-txt-fixer` as a builtin hook ([#&#8203;2390](j178/prek#2390))
- Improve user-facing warnings and errors ([#&#8203;2380](j178/prek#2380))
- Install Node hooks through git url ([#&#8203;2394](j178/prek#2394))

##### Performance

- Reduce blocking-pool overhead in file hooks ([#&#8203;2384](j178/prek#2384))
- Speed up mixed-line-ending scans with memchr2 ([#&#8203;2391](j178/prek#2391))

##### Bug fixes

- Honor filenames in builtin hook entry and args ([#&#8203;2389](j178/prek#2389))
- Match identify tags across filename parts ([#&#8203;2399](j178/prek#2399))
- Preserve hook output order with a shared pipe ([#&#8203;2385](j178/prek#2385))
- Preserve system download policy when applying metadata ([#&#8203;2395](j178/prek#2395))

##### Contributors

- [@&#8203;j178](https://github.com/j178)
- [@&#8203;chrisoro](https://github.com/chrisoro)

</details>

---

### Configuration

📅 **Schedule**: (UTC)

- 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 [Mend Renovate](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yODYuMSIsInVwZGF0ZWRJblZlciI6IjQzLjI4OC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJSZW5vdmF0ZSBCb3QiLCJhdXRvbWF0aW9uOmJvdC1hdXRob3JlZCIsImRlcGVuZGVuY3ktdHlwZTo6cGF0Y2giXX0=-->
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Parity difference: prek doesn't identify .pylintrc files as type pylintrc

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