Codestin Search App

j178 · 2026-06-24T02:54:35Z

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codecov · 2026-06-24T02:56:47Z

Codecov Report

❌ Patch coverage is 97.29730% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 92.66%. Comparing base (d797bea) to head (ae8f844).

Files with missing lines	Patch %	Lines
.../hooks/pre_commit_hooks/fix_trailing_whitespace.rs	97.29%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2245      +/-   ##
==========================================
+ Coverage   92.63%   92.66%   +0.03%     
==========================================
  Files         126      126              
  Lines       26900    26907       +7     
==========================================
+ Hits        24918    24934      +16     
+ Misses       1982     1973       -9

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prek-ci-bot · 2026-06-24T03:01:48Z

📦 Cargo Bloat Comparison

Binary size change: +0.00% (26.7 MiB → 26.7 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
 0.4%   0.7%  96.3KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7%  92.4KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7%  92.0KiB              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%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.3%  44.0KiB             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%  43.7KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  37.2KiB              prek prek::run::{{closure}}
 0.1%   0.2%  33.1KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  31.8KiB             prek? <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  29.8KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.7KiB             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%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.2KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  24.1KiB             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%  23.8KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB              prek prek::languages::<impl prek::config::Language>::check_health::{{closure}}
41.9%  86.2%  11.2MiB                   And 24430 smaller methods. Use -n N to show more.
48.6% 100.0%  13.0MiB                   .text section size, the file size is 26.7MiB

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
 0.4%   0.7%  95.9KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7%  91.9KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.3%   0.7%  91.6KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.5%  65.0KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  49.1KiB              prek prek::run::{{closure}}
 0.2%   0.3%  44.0KiB              prek prek::cli::run::run::run::{{closure}}
 0.2%   0.3%  43.0KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  32.8KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  31.9KiB             prek? <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  29.8KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.8KiB             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%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.0KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  24.9KiB             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%  23.8KiB     granit_parser granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.4KiB              prek prek::languages::<impl prek::config::Language>::check_health::{{closure}}
41.9%  86.1%  11.2MiB                   And 24406 smaller methods. Use -n N to show more.
48.6% 100.0%  13.0MiB                   .text section size, the file size is 26.7MiB

prek-ci-bot · 2026-06-24T03:01:49Z

⚡️ Hyperfine Benchmarks

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

Environment

OS: Linux 6.17.0-1018-azure
CPU: 4 cores
prek version: prek 0.4.5+19 (1c23548 2026-06-24)
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`	2.2 ± 0.1	2.0	2.5	1.03 ± 0.08
`prek-head --version`	2.1 ± 0.1	2.0	2.9	1.00

`prek list`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base list`	9.0 ± 0.1	8.7	9.4	1.00
`prek-head list`	9.1 ± 0.2	8.8	10.1	1.01 ± 0.03

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base validate-config .pre-commit-config.yaml`	3.0 ± 0.3	2.8	4.5	1.01 ± 0.10
`prek-head validate-config .pre-commit-config.yaml`	3.0 ± 0.1	2.8	3.4	1.00

`prek sample-config`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base sample-config`	2.4 ± 0.0	2.3	2.5	1.00
`prek-head sample-config`	2.4 ± 0.1	2.3	2.9	1.01 ± 0.04

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`	76.4 ± 3.3	72.4	83.0	1.02 ± 0.06
`prek-head run --all-files`	75.1 ± 2.8	71.2	79.7	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	75.4 ± 2.1	72.0	78.9	1.00 ± 0.05
`prek-head run --all-files`	75.3 ± 2.7	71.4	81.6	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`	75.6 ± 2.7	71.1	80.8	1.00
`prek-head run --all-files`	75.7 ± 4.4	70.1	98.8	1.00 ± 0.07

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`	19.8 ± 0.4	19.2	20.7	1.00
`prek-head run trailing-whitespace --all-files`	19.8 ± 0.5	19.1	21.9	1.00 ± 0.03

`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`	26.0 ± 1.8	23.9	28.9	1.01 ± 0.11
`prek-head run end-of-file-fixer --all-files`	25.8 ± 2.2	23.4	30.6	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-json --all-files`	7.5 ± 0.3	7.1	8.0	1.00
`prek-head run check-json --all-files`	7.5 ± 0.2	7.2	7.9	1.00 ± 0.04

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-yaml --all-files`	7.4 ± 0.1	7.2	7.6	1.00 ± 0.02
`prek-head run check-yaml --all-files`	7.4 ± 0.1	7.1	7.7	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-toml --all-files`	7.4 ± 0.3	7.0	8.2	1.02 ± 0.05
`prek-head run check-toml --all-files`	7.3 ± 0.2	6.9	7.9	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-xml --all-files`	7.4 ± 0.2	7.0	7.9	1.00
`prek-head run check-xml --all-files`	7.4 ± 0.2	7.0	8.1	1.01 ± 0.05

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run detect-private-key --all-files`	14.1 ± 1.2	12.0	16.7	1.05 ± 0.14
`prek-head run detect-private-key --all-files`	13.4 ± 1.3	11.8	16.1	1.00

`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`	18.3 ± 0.8	17.1	19.7	1.00 ± 0.07
`prek-head run fix-byte-order-marker --all-files`	18.3 ± 0.9	17.0	19.9	1.00

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`	4.4 ± 0.0	4.3	4.4	1.00 ± 0.01
`prek-head install-hooks`	4.4 ± 0.1	4.3	4.4	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	4.3 ± 0.0	4.2	4.3	1.00
`prek-head install-hooks`	4.3 ± 0.0	4.2	4.3	1.01 ± 0.01

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`	37.2 ± 1.6	35.3	41.8	1.01 ± 0.05
`prek-head run`	37.0 ± 1.0	35.9	39.6	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --files '*.json'`	7.8 ± 0.1	7.7	8.0	1.00
`prek-head run --files '*.json'`	25.4 ± 57.3	7.7	251.8	3.26 ± 7.37

⚠️ Warning: Performance regression for prek run --files '*.json' (specific file type): 225.7800% 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`	6.8 ± 0.5	6.5	8.9	1.00 ± 0.09
`prek-head run --dry-run --all-files`	6.7 ± 0.4	6.6	8.2	1.00

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`	11.6 ± 0.1	11.5	11.8	1.00
`prek-head run check-hooks-apply --all-files`	11.7 ± 0.1	11.5	12.1	1.01 ± 0.01

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-useless-excludes --all-files`	11.8 ± 0.6	11.5	13.7	1.14 ± 0.05
`prek-head run check-useless-excludes --all-files`	10.4 ± 0.1	10.2	10.5	1.00

✅ Performance improvement for prek run check-useless-excludes --all-files: 12.5900% faster

`prek run identity --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run identity --all-files`	9.6 ± 0.1	9.4	9.8	1.00 ± 0.01
`prek-head run identity --all-files`	9.6 ± 0.1	9.5	9.7	1.00

Avoid allocating markdown extensions per file

ae8f844

Copilot AI review requested due to automatic review settings June 24, 2026 02:54

j178 added the performance Performance improvements label Jun 24, 2026

Copilot AI reviewed Jun 24, 2026

j178 merged commit 3610700 into master Jun 24, 2026
36 checks passed

j178 deleted the perf-markdown-ext branch June 24, 2026 03:05

BrewTestBot mentioned this pull request Jul 1, 2026

prek 0.4.6 Homebrew/homebrew-core#290738

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codecov Bot commented Jun 24, 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 Jun 24, 2026

📦 Cargo Bloat Comparison

Head Branch Results

Base Branch Results

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prek-ci-bot Bot commented Jun 24, 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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codecov Bot commented Jun 24, 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`