Codestin Search App

j178 · 2026-06-10T09:35:15Z

codecov · 2026-06-10T09:36:51Z

Codecov Report

❌ Patch coverage is 92.56198% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.57%. Comparing base (e217d35) to head (d6e326a).

Files with missing lines	Patch %	Lines
crates/prek/src/languages/perl.rs	95.65%	5 Missing ⚠️
crates/prek/src/languages/mod.rs	33.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2201      +/-   ##
==========================================
+ Coverage   92.55%   92.57%   +0.01%     
==========================================
  Files         123      124       +1     
  Lines       26347    26461     +114     
==========================================
+ Hits        24386    24495     +109     
- Misses       1961     1966       +5

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prek-ci-bot · 2026-06-10T09:41:04Z

📦 Cargo Bloat Comparison

Binary size change: +0.00% (26.5 MiB → 26.5 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.2%   2.5% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_encrypt_avx512
 1.2%   2.5% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  92.2KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7%  87.4KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  80.7KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.5%  64.9KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  49.5KiB              prek prek::run::{{closure}}
 0.2%   0.4%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.3%  44.6KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.2%   0.3%  44.6KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.2%  31.8KiB             prek? <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  31.6KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  29.4KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  28.3KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::RemoteHook>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.1KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  24.8KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::LocalHook>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  22.9KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
41.8%  86.2%  11.1MiB                   And 24243 smaller methods. Use -n N to show more.
48.5% 100.0%  12.9MiB                   .text section size, the file size is 26.5MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.2%   2.5% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_encrypt_avx512
 1.2%   2.5% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  90.3KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  85.7KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  76.8KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.5%  65.1KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  49.5KiB              prek prek::run::{{closure}}
 0.2%   0.4%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.3%  44.6KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.2%   0.3%  44.2KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.2%  31.8KiB             prek? <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  31.1KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  29.4KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  28.3KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::RemoteHook>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.1KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  24.8KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::LocalHook>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  22.9KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
41.9%  86.3%  11.1MiB                   And 24208 smaller methods. Use -n N to show more.
48.6% 100.0%  12.9MiB                   .text section size, the file size is 26.5MiB

prek-ci-bot · 2026-06-10T09:41:05Z

⚡️ Hyperfine Benchmarks

Summary: 4 regressions, 6 improvements above the 10% threshold.

Environment

OS: Linux 6.17.0-1015-azure
CPU: 4 cores
prek version: prek 0.4.4+48 (4f91478 2026-06-11)
Rust version: rustc 1.96.0 (ac68faa20 2026-05-25)
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`	1.9 ± 0.1	1.8	2.6	1.01 ± 0.07
`prek-head --version`	1.9 ± 0.1	1.8	2.2	1.00

`prek list`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base list`	8.0 ± 1.3	7.2	14.3	1.01 ± 0.32
`prek-head list`	7.9 ± 2.1	7.3	26.1	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base validate-config .pre-commit-config.yaml`	2.9 ± 1.5	2.6	13.3	1.06 ± 0.58
`prek-head validate-config .pre-commit-config.yaml`	2.8 ± 0.5	2.6	6.5	1.00

`prek sample-config`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base sample-config`	2.5 ± 1.4	2.1	9.6	1.00
`prek-head sample-config`	3.0 ± 3.4	2.1	18.8	1.18 ± 1.48

⚠️ Warning: Performance regression for prek sample-config: 17.5800% slower

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`	59.6 ± 1.9	56.9	62.9	1.01 ± 0.04
`prek-head run --all-files`	58.8 ± 1.7	56.2	61.4	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	58.6 ± 2.7	55.8	65.8	1.00
`prek-head run --all-files`	59.5 ± 2.6	55.5	64.1	1.02 ± 0.06

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`	58.6 ± 2.7	54.8	66.1	1.00
`prek-head run --all-files`	59.4 ± 2.5	54.9	64.0	1.01 ± 0.06

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`	16.1 ± 0.3	15.7	16.7	1.00
`prek-head run trailing-whitespace --all-files`	16.1 ± 0.5	15.5	17.5	1.00 ± 0.04

`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`	36.3 ± 49.1	18.6	232.7	1.63 ± 2.24
`prek-head run end-of-file-fixer --all-files`	22.3 ± 5.0	19.2	47.1	1.00

✅ Performance improvement for prek run end-of-file-fixer --all-files: 38.6000% faster

`prek run check-json --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-json --all-files`	6.5 ± 0.2	6.2	7.2	1.00
`prek-head run check-json --all-files`	6.6 ± 0.5	6.0	8.7	1.01 ± 0.08

`prek run check-yaml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-yaml --all-files`	6.4 ± 0.2	6.2	7.3	1.02 ± 0.04
`prek-head run check-yaml --all-files`	6.3 ± 0.1	6.1	6.6	1.00

`prek run check-toml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-toml --all-files`	7.5 ± 5.5	6.1	36.2	1.00
`prek-head run check-toml --all-files`	14.5 ± 29.6	6.1	159.3	1.92 ± 4.16

⚠️ Warning: Performance regression for prek run check-toml --all-files: 92.4200% slower

`prek run check-xml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-xml --all-files`	19.5 ± 37.3	6.3	173.3	1.13 ± 3.45
`prek-head run check-xml --all-files`	17.3 ± 41.3	6.1	178.3	1.00

✅ Performance improvement for prek run check-xml --all-files: 11.1700% faster

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run detect-private-key --all-files`	11.6 ± 3.2	9.4	27.8	1.00
`prek-head run detect-private-key --all-files`	17.4 ± 25.8	9.6	151.7	1.49 ± 2.25

⚠️ Warning: Performance regression for prek run detect-private-key --all-files: 49.2400% slower

`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`	21.9 ± 21.4	13.9	104.5	1.40 ± 1.40
`prek-head run fix-byte-order-marker --all-files`	15.7 ± 3.9	13.8	35.7	1.00

✅ Performance improvement for prek run fix-byte-order-marker --all-files: 28.3700% faster

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`	3.9 ± 0.1	3.8	4.0	1.00
`prek-head install-hooks`	3.9 ± 0.1	3.8	4.1	1.00 ± 0.03

`prek install-hooks (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	3.8 ± 0.1	3.7	3.9	1.00
`prek-head install-hooks`	3.9 ± 0.0	3.8	3.9	1.02 ± 0.03

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`	31.3 ± 0.9	30.0	32.8	1.00
`prek-head run`	33.3 ± 7.0	30.3	62.3	1.07 ± 0.23

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --files '*.json'`	6.8 ± 0.1	6.7	7.1	1.00
`prek-head run --files '*.json'`	7.6 ± 3.3	6.7	21.6	1.11 ± 0.48

⚠️ Warning: Performance regression for prek run --files '*.json' (specific file type): 11.0800% slower

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`	10.2 ± 19.3	5.8	92.4	1.76 ± 3.33
`prek-head run --dry-run --all-files`	5.8 ± 0.0	5.7	5.9	1.00

✅ Performance improvement for prek run --dry-run --all-files (measures init overhead): 43.3100% faster

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`	91.4 ± 95.8	10.0	255.6	4.15 ± 6.95
`prek-head run check-hooks-apply --all-files`	22.0 ± 28.8	8.8	90.2	1.00

✅ Performance improvement for prek run check-hooks-apply --all-files: 75.9000% faster

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-useless-excludes --all-files`	9.1 ± 0.2	8.8	9.6	1.00
`prek-head run check-useless-excludes --all-files`	9.3 ± 0.3	9.1	10.1	1.02 ± 0.04

`prek run identity --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run identity --all-files`	21.0 ± 25.9	8.4	77.0	1.41 ± 2.93
`prek-head run identity --all-files`	14.9 ± 24.8	8.3	104.5	1.00

✅ Performance improvement for prek run identity --all-files: 29.1800% faster

Copilot

Pull request overview

This PR adds first-class perl language support to prek, moving Perl from “unimplemented” to a supported language backend alongside existing language runners.

Changes:

Implement a new Perl language backend that installs hook repos via cpan into a per-hook environment and runs hooks with the appropriate environment variables.
Add integration tests covering local Perl hooks, additional_dependencies, language_version rejection, and shell execution.
Update documentation and CI (language matrix + workflow environment) to reflect and validate Perl support.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
scripts/generate_ci_matrix.py	Adds `perl` to the CI language-test matrix generation.
docs/reference/configuration.md	Updates `shell`/language tables to no longer list Perl as unimplemented.
docs/proposals/hook-shell.md	Mirrors the configuration reference update for Perl support.
docs/languages.md	Documents Perl support, installation behavior, and `language_version` constraints.
crates/prek/tests/languages/perl.rs	New integration tests validating Perl hook install/run behaviors and errors.
crates/prek/tests/languages/main.rs	Registers the new Perl language test module.
crates/prek/src/languages/perl.rs	New Perl language implementation (install via `cpan`, run with env).
crates/prek/src/languages/mod.rs	Wires `Language::Perl` into supported/install/run dispatch and shell support.
crates/prek-consts/src/env_vars.rs	Adds Perl-related environment variable constants.
.github/workflows/ci.yml	Adds Perl presence checks and CI env settings for reliable CPAN usage during tests.

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+        (
+            // PERL5LIB makes Perl load modules installed into this hook env at runtime.
+            EnvVars::PERL5LIB,
+            env_path.join("lib").join("perl5").into_os_string(),
+        ),


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chatgpt-codex-connector · 2026-06-11T04:12:21Z

+          NONINTERACTIVE_TESTING: ${{ contains(format(' {0} ', matrix.languages), ' perl ') && '1' || '' }}
+          # PERL_MM_USE_DEFAULT makes ExtUtils::MakeMaker answer any prompts
+          # with defaults, keeping CI noninteractive.
+          PERL_MM_USE_DEFAULT: ${{ contains(format(' {0} ', matrix.languages), ' perl ') && '1' || '' }}


Propagate Perl noninteractive env to Windows tests

The generated language matrix includes windows-latest with test(perl::), but these CPAN/MakeMaker noninteractive settings are only attached to the non-Windows run step. The Windows Run language tests (windows) step below runs the same Perl tests without them, so any CPAN distribution or first-time MakeMaker configuration prompt that this block is meant to suppress can still hang or fail that CI leg; set these at the job level or duplicate them in the Windows step.

Useful? React with 👍 / 👎.

This MR contains the following updates: | Package | Update | Change | |---|---|---| | [prek](https://github.com/j178/prek) | patch | `0.4.4` → `0.4.5` | 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> ### [`v0.4.5`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#045) [Compare Source](j178/prek@v0.4.4...v0.4.5) Released on 2026-06-15. ##### ✨Highlights 0.4.5 completes `prek`'s pre-commit language coverage. With R, Conda, Perl, and coursier now supported, `prek` supports every language available in pre-commit, plus `prek`-only modern languages such as Bun and Deno. This is full feature parity with pre-commit. The last major compatibility gap is closed, and `prek` is now on the path to 1.0. ##### 💚 Sponsorship If `prek` saves time for you or your team, please consider sponsoring the project on [GitHub Sponsors](https://github.com/sponsors/j178). It helps keep new features, performance work, and maintenance moving. ##### Enhancements - Add `Perl` language support ([#2201](j178/prek#2201)) - Add `R` language support ([#2206](j178/prek#2206)) - Add `Conda` language support ([#2203](j178/prek#2203)) - Add `coursier` language support ([#2194](j178/prek#2194)) - Add group filters to list ([#2152](j178/prek#2152)) - Remove legacy repo path support ([#2150](j178/prek#2150)) - Skip cloning fully filtered remote repos ([#2151](j178/prek#2151)) ##### Performance - Avoid building JSON trees in syntax hooks ([#2156](j178/prek#2156)) - Scan mixed line endings without line vector ([#2160](j178/prek#2160)) - Skip file scan for always-run no-filename hooks ([#2155](j178/prek#2155)) - Use fixed buffer for EOF scan ([#2163](j178/prek#2163)) - Use fixed buffer for private key scan ([#2164](j178/prek#2164)) ##### Bug fixes - Fix pretty-format-json CRLF handling ([#2210](j178/prek#2210)) - Handle missing blobs in diff snapshots ([#2211](j178/prek#2211)) - Ignore coursier channel from working repo ([#2202](j178/prek#2202)) ##### Contributors - [@j178](https://github.com/j178) </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).

Copilot AI review requested due to automatic review settings June 10, 2026 09:35

j178 added the enhancement New feature or request label Jun 10, 2026

Copilot started reviewing on behalf of j178 June 10, 2026 09:35 View session

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j178 force-pushed the perl branch from 8f95757 to 8da07e6 Compare June 10, 2026 10:42

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j178 added 5 commits June 11, 2026 11:41

Add Perl language support

b55883b

Add Perl language support

f1ffe2e

Add Perl language support

358de98

.

5498ba1

Improve

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Comment thread crates/prek/src/languages/perl.rs

Comment on lines +141 to +145

(

// PERL5LIB makes Perl load modules installed into this hook env at runtime.

EnvVars::PERL5LIB,

env_path.join("lib").join("perl5").into_os_string(),

),

Comment thread crates/prek/src/languages/perl.rs

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Serial test on windows

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j178 force-pushed the perl branch from a581453 to d6e326a Compare June 11, 2026 04:50

j178 merged commit bb1131b into master Jun 11, 2026
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j178 deleted the perl branch June 11, 2026 05:04

BrewTestBot mentioned this pull request Jun 15, 2026

prek 0.4.5 Homebrew/homebrew-core#288054

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📦 Cargo Bloat Comparison

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⚡️ 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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j178 commented Jun 10, 2026 •

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`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`