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Pull request overview
Updates the README’s “Why prek?” section to reflect newer user-facing capabilities, aligning the project’s top-level positioning with recent feature work.
Changes:
- Refreshes the performance bullets to highlight parallelism and priority aliases, plus the automatic fast path for supported hooks.
- Expands the “easier to work with” bullets to cover broader language/toolchain support, groups, richer selection/filtering in
prek run, and live hook output. - Updates the safeguards section to mention additional
prek updatefeatures (cooldown holds, tag filtering, SHA freezing).
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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 ([#​2540](j178/prek#2540)) - Add `deny-filename-pattern` and `require-filename-pattern` hooks ([#​2488](j178/prek#2488)) - Add `prek exec` for running commands in a hook environment ([#​2478](j178/prek#2478)) - Add `yaml-language-server:` comment to YAML sample config ([#​2486](j178/prek#2486)) - Make `prek cache size` output terminal-aware ([#​2508](j178/prek#2508)) - Match file regexes against path bytes ([#​2541](j178/prek#2541)) - Show hook aliases in run output ([#​2497](j178/prek#2497)) - Show hook descriptions in run output ([#​2490](j178/prek#2490)) ##### Performance - Avoid env cache scans for skipped hooks ([#​2502](j178/prek#2502)) - Cache Node version queries ([#​2500](j178/prek#2500)) ##### Bug fixes - Fix Node hook installation with npm 11 ([#​2487](j178/prek#2487)) - Isolate dependency installs from inherited Git repository state ([#​2506](j178/prek#2506)) ##### Documentation - Document combined group filtering ([#​2495](j178/prek#2495)) - Explain what prek does in README ([#​2507](j178/prek#2507)) - Refresh "Why prek" highlights ([#​2474](j178/prek#2474)) ##### Contributors - [@​will-wright-eng](https://github.com/will-wright-eng) - [@​Repiteo](https://github.com/Repiteo) - [@​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 ([#​2472](j178/prek#2472)) - Align fast-path and builtin pre-commit hooks ([#​2433](j178/prek#2433)) - Do not shuffle file list for verbose output ([#​2431](j178/prek#2431)) - Improve top-level command descriptions ([#​2429](j178/prek#2429)) - Install `uv` from Astral CDN and drop source racing ([#​2455](j178/prek#2455)) - Make `prek install --force` bypass external hooks paths ([#​2437](j178/prek#2437)) - Show builtin hook flags in verbose list output ([#​2427](j178/prek#2427)) - Verify uv release archive checksums ([#​2456](j178/prek#2456)) ##### Performance - Precompute file tags in parallel ([#​2440](j178/prek#2440)) - Skip diffs after known hook modifications ([#​2447](j178/prek#2447)) - Skip worktree diffs for read-only languages ([#​2432](j178/prek#2432)) - Track builtin hook file changes directly ([#​2404](j178/prek#2404)) ##### Bug fixes - Use full object IDs in diff snapshots ([#​2448](j178/prek#2448)) ##### Documentation - Add a multi-repository configuration example ([#​2434](j178/prek#2434)) - Rewrite benchmark documentation ([#​2469](j178/prek#2469)) ##### Contributors - [@​j178](https://github.com/j178) - [@​BitWeaverDev](https://github.com/BitWeaverDev) - [@​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 ([#​2359](j178/prek#2359)) - Support `--glob` patterns in `prek run` ([#​2381](j178/prek#2381)) - Support reusable aliases for hook priorities ([#​2331](j178/prek#2331)) - Implement `requirements-txt-fixer` as a builtin hook ([#​2390](j178/prek#2390)) - Improve user-facing warnings and errors ([#​2380](j178/prek#2380)) - Install Node hooks through git url ([#​2394](j178/prek#2394)) ##### Performance - Reduce blocking-pool overhead in file hooks ([#​2384](j178/prek#2384)) - Speed up mixed-line-ending scans with memchr2 ([#​2391](j178/prek#2391)) ##### Bug fixes - Honor filenames in builtin hook entry and args ([#​2389](j178/prek#2389)) - Match identify tags across filename parts ([#​2399](j178/prek#2399)) - Preserve hook output order with a shared pipe ([#​2385](j178/prek#2385)) - Preserve system download policy when applying metadata ([#​2395](j178/prek#2395)) ##### Contributors - [@​j178](https://github.com/j178) - [@​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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Refreshes the “Why prek?” section with recent user-facing features from the changelog, including automatic fast paths, broader language support, run selectors, live hook output, and update safeguards.