Update Rust crate shlex to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
shlex	workspace.dependencies	major	1.3.0 → 2.0.0

---

Release Notes

comex/rust-shlex (shlex)

v2.0.1

• Fixes a compile error when building the documentation.

v2.0.0

• Breaking: Items that were marked as deprecated in 1.x have been removed: join, quote, bytes::join, and bytes::quote.
• Breaking: The DerefMut impl for Shlex has been removed since it was unsound. New unsafe APIs have been added in its place: Shlex::from_bytes, Shlex::as_bytes_mut.

---

Configuration

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---

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---

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.36%. Comparing base (bbb3810) to head (63d297a).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2122      +/-   ##
==========================================
+ Coverage   86.93%   92.36%   +5.43%     
==========================================
  Files         121      121              
  Lines       24655    24847     +192     
==========================================
+ Hits        21433    22950    +1517     
+ Misses       3222     1897    -1325     

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[prek-ci-bot]

📦 Cargo Bloat Comparison

Binary size change: -0.76% (26.3 MiB → 26.1 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_encrypt_avx512
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  91.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  83.3KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  75.5KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.5%  70.0KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  51.3KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  48.5KiB              prek prek::run::{{closure}}
 0.2%   0.4%  46.9KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  33.3KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  30.4KiB             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%  29.8KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  28.1KiB      serde_saphyr 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%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.4KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  23.8KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  23.0KiB      serde_saphyr granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  21.5KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
41.4%  86.1%  10.8MiB                   And 23956 smaller methods. Use -n N to show more.
48.1% 100.0%  12.6MiB                   .text section size, the file size is 26.1MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_encrypt_avx512
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_41_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  91.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  83.3KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  75.5KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.5%  70.0KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  51.3KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  48.5KiB              prek prek::run::{{closure}}
 0.2%   0.4%  46.9KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  33.3KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  30.4KiB             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%  29.8KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  28.1KiB      serde_saphyr 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%  27.5KiB        aws_lc_sys aws_lc_0_41_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.4KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  23.8KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  23.0KiB      serde_saphyr granit_parser::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  21.5KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
41.7%  86.2%  11.0MiB                   And 24014 smaller methods. Use -n N to show more.
48.4% 100.0%  12.7MiB                   .text section size, the file size is 26.3MiB

[prek-ci-bot]

⚡️ Hyperfine Benchmarks

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

Environment

• OS: Linux 6.17.0-1013-azure
• CPU: 4 cores
• prek version: prek 0.4.1+12 (32a90e1 2026-05-25)
• Rust version: rustc 1.95.0 (59807616e 2026-04-14)
• 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	2.3 ± 0.1	2.2	2.5	1.00 ± 0.05
prek-head --version	2.3 ± 0.1	2.2	2.9	1.00

prek list

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base list	9.4 ± 0.2	9.1	10.0	1.01 ± 0.03
prek-head list	9.3 ± 0.1	9.0	9.8	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	3.2 ± 0.1	3.1	3.3	1.02 ± 0.02
prek-head validate-config .pre-commit-config.yaml	3.2 ± 0.0	3.1	3.3	1.00

prek sample-config

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base sample-config	2.6 ± 0.1	2.5	2.8	1.00
prek-head sample-config	2.7 ± 0.1	2.6	2.9	1.02 ± 0.03

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	78.8 ± 3.0	75.9	84.0	1.00 ± 0.05
prek-head run --all-files	78.4 ± 2.7	75.3	82.4	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	78.5 ± 3.1	74.4	83.3	1.02 ± 0.05
prek-head run --all-files	77.1 ± 1.9	73.7	80.6	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	78.2 ± 3.0	74.4	85.5	1.00
prek-head run --all-files	78.5 ± 2.4	74.0	82.6	1.00 ± 0.05

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	21.0 ± 0.6	20.0	22.3	1.00
prek-head run trailing-whitespace --all-files	22.4 ± 4.7	19.6	38.7	1.07 ± 0.23

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 ± 2.0	23.4	30.7	1.00
prek-head run end-of-file-fixer --all-files	27.7 ± 2.3	24.9	34.6	1.06 ± 0.12

prek run check-json --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-json --all-files	8.5 ± 0.2	8.1	8.9	1.00
prek-head run check-json --all-files	8.6 ± 0.2	7.9	9.0	1.01 ± 0.04

prek run check-yaml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-yaml --all-files	8.6 ± 0.2	8.3	9.0	1.00
prek-head run check-yaml --all-files	8.6 ± 0.2	8.3	9.1	1.01 ± 0.03

prek run check-toml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-toml --all-files	8.8 ± 0.7	8.1	11.9	1.07 ± 0.09
prek-head run check-toml --all-files	8.2 ± 0.3	7.9	9.2	1.00

prek run check-xml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-xml --all-files	8.2 ± 0.3	7.8	8.9	1.00
prek-head run check-xml --all-files	8.4 ± 0.4	7.8	9.8	1.03 ± 0.07

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run detect-private-key --all-files	14.5 ± 1.4	12.2	17.0	1.00
prek-head run detect-private-key --all-files	14.9 ± 1.2	12.6	16.9	1.03 ± 0.13

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	23.7 ± 2.0	20.4	26.5	1.01 ± 0.12
prek-head run fix-byte-order-marker --all-files	23.5 ± 1.9	20.6	27.0	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	5.3 ± 0.1	5.2	5.5	1.02 ± 0.03
prek-head install-hooks	5.2 ± 0.0	5.2	5.3	1.00

prek install-hooks (warm - with cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base install-hooks	5.2 ± 0.1	5.1	5.3	1.00
prek-head install-hooks	5.5 ± 0.1	5.5	5.6	1.06 ± 0.02

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	41.4 ± 1.1	39.8	43.4	1.00
prek-head run	41.6 ± 1.8	39.0	45.9	1.00 ± 0.05

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --files '*.json'	9.0 ± 0.3	8.5	9.6	1.01 ± 0.04
prek-head run --files '*.json'	8.9 ± 0.2	8.5	9.2	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	7.7 ± 0.3	7.4	8.4	1.01 ± 0.04
prek-head run --dry-run --all-files	7.7 ± 0.1	7.5	7.8	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	13.3 ± 0.2	13.0	13.5	1.00
prek-head run check-hooks-apply --all-files	13.7 ± 0.1	13.4	13.9	1.03 ± 0.02

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-useless-excludes --all-files	12.0 ± 0.1	11.9	12.1	1.00
prek-head run check-useless-excludes --all-files	12.2 ± 0.2	11.9	12.4	1.01 ± 0.02

prek run identity --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run identity --all-files	11.3 ± 0.1	11.1	11.6	1.00
prek-head run identity --all-files	11.4 ± 0.2	10.9	11.7	1.01 ± 0.03