Remove legacy update aliases

[j178]

Removes the deprecated auto_update config key and auto-update command spelling.

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[chatgpt-codex-connector]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.97%. Comparing base (4b94cea) to head (fd44aab).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2619   +/-   ##
=======================================
  Coverage   93.96%   93.97%           
=======================================
  Files         140      140           
  Lines       29639    29679   +40     
=======================================
+ Hits        27850    27890   +40     
  Misses       1789     1789           

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[prek-ci-bot]

📦 Cargo Bloat Comparison

.text size change: +0.00% (12.5 MiB → 12.5 MiB)

Expand for cargo-bloat output

Head Branch Results

File  .text     Size             Crate Name
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_encrypt_avx512
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_decrypt_avx512
0.0%   0.9% 113.4KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
0.0%   0.4%  50.6KiB              prek <<prek::config::hook::HookWire 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>
0.0%   0.4%  48.7KiB annotate_snippets annotate_snippets::renderer::render::render
0.0%   0.3%  44.1KiB              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>
0.0%   0.3%  37.1KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
0.0%   0.3%  37.0KiB              prek prek::run::{closure#0}
0.0%   0.3%  33.4KiB              prek prek::cli::run::run::run::{closure#0}
0.0%   0.2%  28.8KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  28.6KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble_alt
0.0%   0.2%  27.8KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble
0.0%   0.2%  27.4KiB              toml <toml::de::deserializer::value::ValueDeserializer as serde_core::de::Deserializer>::deserialize_any::<<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor>
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
4.2%  86.7%  10.8MiB                   And 20272 smaller methods. Use -n N to show more.
4.9% 100.0%  12.5MiB                   .text section size, the file size is 256.5MiB

Base Branch Results

File  .text     Size             Crate Name
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_encrypt_avx512
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_decrypt_avx512
0.0%   0.9% 113.8KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
0.0%   0.4%  50.6KiB              prek <<prek::config::hook::HookWire 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>
0.0%   0.4%  48.7KiB annotate_snippets annotate_snippets::renderer::render::render
0.0%   0.3%  44.5KiB              prek prek::run::{closure#0}
0.0%   0.3%  44.1KiB              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>
0.0%   0.3%  37.1KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
0.0%   0.3%  35.5KiB              prek <prek::languages::rust::rust::Rust as prek::languages::LanguageBackend>::install::{closure#0}
0.0%   0.3%  34.0KiB              prek prek::cli::run::run::run::{closure#0}
0.0%   0.2%  29.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  28.6KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble_alt
0.0%   0.2%  27.8KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble
0.0%   0.2%  27.4KiB              toml <toml::de::deserializer::value::ValueDeserializer as serde_core::de::Deserializer>::deserialize_any::<<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor>
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
4.2%  86.6%  10.8MiB                   And 20267 smaller methods. Use -n N to show more.
4.9% 100.0%  12.5MiB                   .text section size, the file size is 256.5MiB

[prek-ci-bot]

⚡️ Hyperfine Benchmarks

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

Environment

• OS: Linux 6.17.0-1022-azure
• CPU: 4 cores
• prek version: prek 0.4.14+32 (2478468 2026-08-26)
• Rust version: rustc 1.98.0 (88d9e12ae 2026-08-18)
• 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	2.4 ± 0.1	2.2	2.7	1.05 ± 0.06
prek-head --version	2.3 ± 0.1	2.2	2.6	1.00

prek list

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base list	9.6 ± 0.1	9.3	10.1	1.00
prek-head list	9.9 ± 0.3	9.6	11.6	1.03 ± 0.03

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

⏭️ Skipped: .pre-commit-config.yaml not found

prek sample-config

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base sample-config	2.7 ± 0.0	2.6	2.8	1.00
prek-head sample-config	2.7 ± 0.2	2.5	3.8	1.00 ± 0.07

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	40.6 ± 5.5	36.6	53.6	1.04 ± 0.14
prek-head run --all-files	38.9 ± 0.9	38.1	40.9	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	37.8 ± 0.9	36.1	39.9	1.00
prek-head run --all-files	42.3 ± 8.1	35.7	70.4	1.12 ± 0.22

⚠️ Warning: Performance regression for prek run --all-files (warm - with cache): 11.9900% slower

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	38.3 ± 1.3	35.5	41.5	1.01 ± 0.05
prek-head run --all-files	38.1 ± 1.2	36.2	41.7	1.00

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	12.8 ± 0.4	12.1	13.8	1.00
prek-head run trailing-whitespace --all-files	13.2 ± 0.7	12.3	14.5	1.03 ± 0.06

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	11.5 ± 0.5	10.6	12.5	1.01 ± 0.05
prek-head run end-of-file-fixer --all-files	11.4 ± 0.4	10.8	12.3	1.00

prek run check-json --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-json --all-files	8.2 ± 0.3	7.7	8.7	1.02 ± 0.05
prek-head run check-json --all-files	8.0 ± 0.3	7.6	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	7.8 ± 0.1	7.6	8.2	1.00
prek-head run check-yaml --all-files	7.8 ± 0.2	7.6	8.3	1.00 ± 0.03

prek run check-toml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-toml --all-files	7.9 ± 0.3	7.6	8.7	1.00
prek-head run check-toml --all-files	8.3 ± 0.3	7.7	9.0	1.04 ± 0.05

prek run check-xml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-xml --all-files	8.1 ± 0.3	7.6	8.6	1.03 ± 0.05
prek-head run check-xml --all-files	7.9 ± 0.3	7.5	8.7	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	12.3 ± 1.8	10.6	18.8	1.08 ± 0.17
prek-head run detect-private-key --all-files	11.3 ± 0.6	10.2	12.4	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	13.4 ± 0.9	11.8	15.7	1.03 ± 0.09
prek-head run fix-byte-order-marker --all-files	13.0 ± 0.8	11.6	15.0	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	5.0 ± 0.1	4.8	5.1	1.00
prek-head install-hooks	5.1 ± 0.1	5.0	5.2	1.03 ± 0.03

prek install-hooks (warm - with cache)

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base install-hooks	5.1 ± 0.2	4.9	5.3	1.03 ± 0.04
prek-head install-hooks	4.9 ± 0.0	4.9	5.0	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	25.9 ± 0.4	25.2	26.7	1.02 ± 0.02
prek-head run	25.3 ± 0.3	24.8	26.2	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --files '*.json'	5.6 ± 0.6	5.3	8.2	1.03 ± 0.12
prek-head run --files '*.json'	5.4 ± 0.1	5.3	5.7	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	7.3 ± 0.1	7.1	7.6	1.00 ± 0.02
prek-head run --dry-run --all-files	7.3 ± 0.1	7.1	7.7	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	8.6 ± 0.1	8.4	8.8	1.00
prek-head run check-hooks-apply --all-files	8.7 ± 0.3	8.3	9.3	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	8.5 ± 0.1	8.4	8.6	1.00
prek-head run check-useless-excludes --all-files	8.7 ± 0.3	8.3	9.2	1.02 ± 0.03

prek run identity --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run identity --all-files	7.4 ± 0.1	7.3	7.6	1.00
prek-head run identity --all-files	7.6 ± 0.3	7.4	8.3	1.03 ± 0.04