Document combined group filtering by j178 · Pull Request #2495 · j178/prek · GitHub

Pull request overview

Documents and regression-tests how prek run composes --group, --require-group, and --no-group filters (OR for repeated --group, AND for repeated --require-group, exclusion wins), addressing the clarification requested in #2493.

Changes:

Add consistent “combined filtering” explanation + concrete example to the hook-groups proposal and configuration reference.
Expand CLI option docs for --group / --require-group to spell out OR/AND composition and interaction with --no-group / argument order.
Add a regression test that exercises combined filters and verifies argument-order independence.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
docs/reference/configuration.md	Adds an explicit example showing fast AND (format OR lint-only) selection semantics.
docs/reference/cli.md	Clarifies --group (OR semantics) and --require-group (AND semantics) and their composition with --no-group.
docs/proposals/hook-groups.md	Adds an equivalent boolean-style description and the same concrete example for clarity/consistency.
crates/prek/tests/run.rs	Adds a snapshot covering combined --group/--require-group/--no-group filtering and order independence.
crates/prek/src/cli/mod.rs	Updates Clap help text so generated CLI docs reflect the clarified semantics.

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.61%. Comparing base (ea6a310) to head (8ca82fb).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2495      +/-   ##
==========================================
+ Coverage   93.39%   93.61%   +0.22%     
==========================================
  Files         131      131              
  Lines       28359    28359              
==========================================
+ Hits        26486    26549      +63     
+ Misses       1873     1810      -63

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📦 Cargo Bloat Comparison

Binary size change: +0.00% (29.6 MiB → 29.6 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_43_0_aes_gcm_encrypt_avx512
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_43_0_aes_gcm_decrypt_avx512
 0.2%   0.5%  71.1KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  57.5KiB              prek prek::run::{closure#0}
 0.2%   0.4%  56.1KiB              prek <<prek::config::Config as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
 0.2%   0.3%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.3%  45.8KiB              prek <prek::languages::ruby::installer::RubyInstaller>::install::{closure#0}
 0.1%   0.3%  38.7KiB              prek <prek::languages::node::installer::NodeInstaller>::install::{closure#0}
 0.1%   0.3%  38.6KiB              prek prek::cli::run::run::run::{closure#0}
 0.1%   0.2%  34.4KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  32.9KiB              prek <prek::languages::golang::installer::GoInstaller>::install::{closure#0}
 0.1%   0.2%  31.4KiB              prek <prek::languages::bun::installer::BunInstaller>::install::{closure#0}
 0.1%   0.2%  30.1KiB     granit_parser <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
 0.1%   0.2%  28.9KiB    cargo_metadata <&mut serde_json::de::Deserializer<serde_json::read::StrRead> as serde_core::de::Deserializer>::deserialize_struct::<<cargo_metadata::Package as serde_core::de::Deserialize>::deserialize::__Visitor>
 0.1%   0.2%  28.4KiB              prek <<prek::config::RemoteHook as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_43_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_43_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.7KiB              prek <prek::languages::deno::installer::DenoInstaller>::download::{closure#0}
 0.1%   0.2%  25.2KiB              prek prek::cli::try_repo::try_repo::{closure#0}
 0.1%   0.2%  25.2KiB              prek <<prek::config::LocalHook as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
42.1%  87.9%  12.5MiB                   And 26378 smaller methods. Use -n N to show more.
47.9% 100.0%  14.2MiB                   .text section size, the file size is 29.6MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_43_0_aes_gcm_encrypt_avx512
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_43_0_aes_gcm_decrypt_avx512
 0.2%   0.5%  71.1KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  57.5KiB              prek prek::run::{closure#0}
 0.2%   0.4%  56.1KiB              prek <<prek::config::Config as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
 0.2%   0.3%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.3%  45.8KiB              prek <prek::languages::ruby::installer::RubyInstaller>::install::{closure#0}
 0.1%   0.3%  38.7KiB              prek <prek::languages::node::installer::NodeInstaller>::install::{closure#0}
 0.1%   0.3%  38.6KiB              prek prek::cli::run::run::run::{closure#0}
 0.1%   0.2%  34.4KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  32.9KiB              prek <prek::languages::golang::installer::GoInstaller>::install::{closure#0}
 0.1%   0.2%  31.4KiB              prek <prek::languages::bun::installer::BunInstaller>::install::{closure#0}
 0.1%   0.2%  30.1KiB     granit_parser <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
 0.1%   0.2%  28.9KiB    cargo_metadata <&mut serde_json::de::Deserializer<serde_json::read::StrRead> as serde_core::de::Deserializer>::deserialize_struct::<<cargo_metadata::Package as serde_core::de::Deserialize>::deserialize::__Visitor>
 0.1%   0.2%  28.4KiB              prek <<prek::config::RemoteHook as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_43_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_43_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.7KiB              prek <prek::languages::deno::installer::DenoInstaller>::download::{closure#0}
 0.1%   0.2%  25.2KiB              prek prek::cli::try_repo::try_repo::{closure#0}
 0.1%   0.2%  25.2KiB              prek <<prek::config::LocalHook as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
42.1%  87.9%  12.5MiB                   And 26378 smaller methods. Use -n N to show more.
47.9% 100.0%  14.2MiB                   .text section size, the file size is 29.6MiB

⚡️ Hyperfine Benchmarks

Summary: 0 regressions, 1 improvements above the 10% threshold.

Environment

OS: Linux 6.17.0-1020-azure
CPU: 4 cores
prek version: prek 0.4.12+12 (c9c944f 2026-08-07)
Rust version: rustc 1.97.1 (8bab26f4f 2026-07-14)
Hyperfine version: hyperfine 1.20.0

CLI Commands

Benchmarking basic commands in the main repo:

prek --version

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base --version	2.2 ± 0.1	2.1	2.6	1.03 ± 0.05
prek-head --version	2.1 ± 0.1	2.0	2.3	1.00

prek list

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base list	9.4 ± 0.3	9.0	11.4	1.00
prek-head list	9.6 ± 0.4	9.0	11.5	1.02 ± 0.05

prek validate-config .pre-commit-config.yaml

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base validate-config .pre-commit-config.yaml	3.2 ± 0.1	3.0	3.5	1.00
prek-head validate-config .pre-commit-config.yaml	3.5 ± 0.6	3.1	7.5	1.09 ± 0.20

prek sample-config

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base sample-config	2.5 ± 0.1	2.4	2.7	1.01 ± 0.06
prek-head sample-config	2.5 ± 0.1	2.4	3.4	1.00

Cold vs Warm Runs

Comparing first run (cold) vs subsequent runs (warm cache):

prek run --all-files (cold - no cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	37.6 ± 1.1	36.2	39.4	1.01 ± 0.04
prek-head run --all-files	37.3 ± 0.8	36.0	38.2	1.00

prek run --all-files (warm - with cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	37.9 ± 1.2	35.4	39.7	1.00 ± 0.04
prek-head run --all-files	37.8 ± 1.1	36.7	41.0	1.00

Full Hook Suite

Running the builtin hook suite on the benchmark workspace:

prek run --all-files (full builtin hook suite)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	37.6 ± 1.2	35.6	39.5	1.00
prek-head run --all-files	38.1 ± 1.2	35.2	40.2	1.01 ± 0.04

Individual Hook Performance

Benchmarking each hook individually on the test repo:

prek run trailing-whitespace --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run trailing-whitespace --all-files	12.9 ± 0.3	12.4	13.7	1.00
prek-head run trailing-whitespace --all-files	13.0 ± 0.5	12.3	14.4	1.00 ± 0.05

prek run end-of-file-fixer --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run end-of-file-fixer --all-files	10.8 ± 0.5	10.0	12.1	1.00
prek-head run end-of-file-fixer --all-files	11.2 ± 0.5	10.5	12.4	1.04 ± 0.06

prek run check-json --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-json --all-files	7.7 ± 0.3	7.0	8.3	1.01 ± 0.05
prek-head run check-json --all-files	7.7 ± 0.3	7.2	8.5	1.00

prek run check-yaml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-yaml --all-files	7.6 ± 0.5	7.3	10.3	1.01 ± 0.08
prek-head run check-yaml --all-files	7.6 ± 0.2	7.2	7.9	1.00

prek run check-toml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-toml --all-files	7.6 ± 0.2	7.1	8.2	1.01 ± 0.05
prek-head run check-toml --all-files	7.6 ± 0.3	6.9	8.2	1.00

prek run check-xml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-xml --all-files	7.6 ± 0.8	7.0	11.4	1.00 ± 0.12
prek-head run check-xml --all-files	7.6 ± 0.5	7.1	8.8	1.00

prek run detect-private-key --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run detect-private-key --all-files	10.9 ± 0.5	10.1	12.1	1.00
prek-head run detect-private-key --all-files	11.2 ± 0.7	10.3	13.8	1.03 ± 0.08

prek run fix-byte-order-marker --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run fix-byte-order-marker --all-files	12.6 ± 0.8	11.5	14.4	1.00
prek-head run fix-byte-order-marker --all-files	12.6 ± 0.9	11.2	14.6	1.00 ± 0.09

Installation Performance

Benchmarking hook installation (fast path hooks skip Python setup):

prek install-hooks (cold - no cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base install-hooks	5.5 ± 2.0	4.5	9.2	1.20 ± 0.44
prek-head install-hooks	4.6 ± 0.0	4.6	4.6	1.00

✅ Performance improvement for prek install-hooks (cold - no cache): 16.7300% faster

prek install-hooks (warm - with cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base install-hooks	4.6 ± 0.0	4.6	4.6	1.01 ± 0.02
prek-head install-hooks	4.6 ± 0.1	4.4	4.6	1.00

File Filtering/Scoping Performance

Testing different file selection modes:

prek run (staged files only)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run	23.7 ± 0.5	22.9	25.0	1.01 ± 0.03
prek-head run	23.6 ± 0.4	23.1	24.3	1.00

prek run --files '*.json' (specific file type)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --files '*.json'	5.1 ± 0.1	5.0	5.2	1.01 ± 0.02
prek-head run --files '*.json'	5.0 ± 0.1	4.9	5.1	1.00

Workspace Discovery & Initialization

Benchmarking hook discovery and initialization overhead:

prek run --dry-run --all-files (measures init overhead)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --dry-run --all-files	6.7 ± 0.1	6.6	6.9	1.00
prek-head run --dry-run --all-files	6.9 ± 0.5	6.6	8.5	1.02 ± 0.07

Meta Hooks Performance

Benchmarking meta hooks separately:

prek run check-hooks-apply --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-hooks-apply --all-files	8.0 ± 0.1	7.8	8.1	1.00
prek-head run check-hooks-apply --all-files	8.2 ± 0.2	8.0	8.7	1.02 ± 0.03

prek run check-useless-excludes --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-useless-excludes --all-files	8.2 ± 0.2	8.0	8.8	1.01 ± 0.03
prek-head run check-useless-excludes --all-files	8.2 ± 0.1	8.0	8.4	1.00

prek run identity --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run identity --all-files	7.0 ± 0.1	6.8	7.4	1.00
prek-head run identity --all-files	7.1 ± 0.1	6.9	7.3	1.00 ± 0.03

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. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).

Document combined group filtering

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Copilot AI lite review requested due to automatic review settings August 7, 2026 03:24

j178 added the documentation Improvements or additions to documentation label Aug 7, 2026

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j178 merged commit 4f32a05 into master Aug 7, 2026
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j178 deleted the group-filters branch August 7, 2026 03:38

BrewTestBot mentioned this pull request Aug 10, 2026

prek 0.4.13 Homebrew/homebrew-core#298019

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Document combined group filtering by j178 · Pull Request #2495 · j178/prek · GitHub

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Document combined group filtering - #2495

Document combined group filtering#2495
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Document combined group filtering by j178 · Pull Request #2495 · j178/prek · GitHub

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Document combined group filtering - #2495

Document combined group filtering#2495j178 merged 1 commit intomasterj178/prek:masterfrom group-filtersj178/prek:group-filtersCopy head branch name to clipboard

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j178 commented Aug 7, 2026

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codecov Bot commented Aug 7, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Codecov Report

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prek-ci-bot Bot commented Aug 7, 2026

📦 Cargo Bloat Comparison

Head Branch Results

Base Branch Results

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prek-ci-bot Bot commented Aug 7, 2026

⚡️ Hyperfine Benchmarks

prek --version

prek list

prek validate-config .pre-commit-config.yaml

prek sample-config

prek run --all-files (cold - no cache)

prek run --all-files (warm - with cache)

prek run --all-files (full builtin hook suite)

prek run trailing-whitespace --all-files

prek run end-of-file-fixer --all-files

prek run check-json --all-files

prek run check-yaml --all-files

prek run check-toml --all-files

prek run check-xml --all-files

prek run detect-private-key --all-files

prek run fix-byte-order-marker --all-files

prek install-hooks (cold - no cache)

prek install-hooks (warm - with cache)

prek run (staged files only)

prek run --files '*.json' (specific file type)

prek run --dry-run --all-files (measures init overhead)

prek run check-hooks-apply --all-files

prek run check-useless-excludes --all-files

prek run identity --all-files

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Document combined group filtering#2495
j178 merged 1 commit into
masterfrom
group-filters

codecov Bot commented Aug 7, 2026 •
edited
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