Support `prek.toml` in `auto-update` by j178 · Pull Request #1547 · j178/prek

j178 · 2026-02-03T12:36:15Z

No description provided.

Support `prek sample-config --format toml`

codecov · 2026-02-03T12:38:03Z

Codecov Report

❌ Patch coverage is 84.74576% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.58%. Comparing base (29b165c) to head (cbf329b).
⚠️ Report is 2 commits behind head on prektoml.

Files with missing lines	Patch %	Lines
crates/prek/src/cli/auto_update.rs	81.69%	13 Missing ⚠️
crates/prek/src/cli/sample_config.rs	88.88%	4 Missing ⚠️
crates/prek/src/main.rs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           prektoml    #1547      +/-   ##
============================================
- Coverage     91.61%   91.58%   -0.04%     
============================================
  Files            91       91              
  Lines         17981    18078      +97     
============================================
+ Hits          16474    16557      +83     
- Misses         1507     1521      +14

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Pull request overview

Adds auto-update support for TOML-based prek configuration (prek.toml) by updating revisions in TOML configs and expanding the integration test suite to cover TOML update scenarios.

Changes:

Detect .toml config files during auto-update and update [[repos]].rev using toml_edit.
Preserve/add/remove # frozen: ... markers for TOML configs when --freeze is used.
Add integration tests covering basic TOML updates and TOML freeze behavior (including existing comments).

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
`crates/prek/src/cli/auto_update.rs`	Adds TOML-aware config rewriting via `toml_edit`, refactors YAML rewrite into a helper.
`crates/prek/tests/auto_update.rs`	Adds TOML-focused `auto-update` integration tests (basic + freeze + comment cases).
`crates/prek/Cargo.toml`	Adds `toml_edit` dependency to the `prek` crate.
`Cargo.toml`	Adds workspace dependency pin for `toml_edit`.
`Cargo.lock`	Locks new `toml_edit` dependency and transitive changes.

crates/prek/src/cli/auto_update.rs

prek-ci-bot · 2026-02-03T12:44:09Z

📦 Cargo Bloat Comparison

Binary size change: +0.43% (23.5 MiB → 23.6 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text    Size             Crate Name
 0.3%   0.7% 75.4KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.7% 71.2KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6% 65.6KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.5% 51.2KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.5% 50.5KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4% 43.4KiB              prek prek::identify::by_extension::{{closure}}
 0.2%   0.4% 41.5KiB              prek prek::cli::run::run::run::{{closure}}
 0.2%   0.4% 40.2KiB              prek prek::run::{{closure}}
 0.1%   0.3% 31.8KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.3% 28.4KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2% 24.8KiB             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% 22.6KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2% 22.2KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2% 21.2KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
 0.1%   0.2% 20.4KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2% 20.0KiB   cargo_metadata? <cargo_metadata::_::<impl serde_core::de::Deserialize for cargo_metadata::Package>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2% 19.6KiB              prek prek::archive::unzip::{{closure}}
 0.1%   0.2% 19.5KiB              prek prek::cli::run::filter::collect_files_from_args::{{closure}}
 0.1%   0.2% 19.3KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2% 19.3KiB        serde_json serde_json::value::de::<impl serde_core::de::Deserialize for serde_json::value::Value>::deserialize
38.3%  91.5%  9.0MiB                   And 20741 smaller methods. Use -n N to show more.
41.9% 100.0%  9.9MiB                   .text section size, the file size is 23.6MiB

Base Branch Results

 File  .text    Size             Crate Name
 0.3%   0.7% 71.9KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.7% 71.3KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7% 65.6KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.5% 51.2KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.5% 50.5KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4% 43.7KiB              prek prek::run::{{closure}}
 0.2%   0.4% 43.4KiB              prek prek::identify::by_extension::{{closure}}
 0.2%   0.4% 41.8KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3% 31.3KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.3% 28.4KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2% 24.9KiB             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% 22.6KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2% 22.2KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2% 21.2KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
 0.1%   0.2% 20.4KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2% 20.0KiB   cargo_metadata? <cargo_metadata::_::<impl serde_core::de::Deserialize for cargo_metadata::Package>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2% 19.5KiB              prek prek::archive::unzip::{{closure}}
 0.1%   0.2% 19.5KiB              prek prek::cli::run::filter::collect_files_from_args::{{closure}}
 0.1%   0.2% 19.3KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2% 19.2KiB              prek <prek::languages::ruby::ruby::Ruby as prek::languages::LanguageImpl>::install::{{closure}}
38.2%  91.4%  9.0MiB                   And 20665 smaller methods. Use -n N to show more.
41.8% 100.0%  9.8MiB                   .text section size, the file size is 23.5MiB

Support prek sample-config --format toml

fbd2f2b

Support `prek sample-config --format toml`

Copilot AI review requested due to automatic review settings February 3, 2026 12:36

j178 added the enhancement New feature or request label Feb 3, 2026

Copilot started reviewing on behalf of j178 February 3, 2026 12:36 View session

Copilot AI reviewed Feb 3, 2026

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Base automatically changed from sample-config to prektoml February 3, 2026 13:36

j178 force-pushed the auto-update-toml branch from 036518d to 29c9db2 Compare February 3, 2026 13:51

Support prek.toml in auto-update

cbf329b

j178 force-pushed the auto-update-toml branch from 29c9db2 to cbf329b Compare February 3, 2026 14:00

j178 merged commit b51aab5 into prektoml Feb 3, 2026
49 checks passed

j178 deleted the auto-update-toml branch February 3, 2026 14:06

j178 added a commit that referenced this pull request Feb 3, 2026

Support prek.toml in auto-update (#1547)

a95d7a7

j178 added a commit that referenced this pull request Feb 4, 2026

Support prek.toml in auto-update (#1547)

f9758c4

j178 mentioned this pull request Feb 4, 2026

Add documentation about prek.toml #1560

Merged

j178 added a commit that referenced this pull request Feb 5, 2026

Support prek.toml in auto-update (#1547)

1a772db

j178 mentioned this pull request Feb 6, 2026

Tracking issue for prek.toml #1583

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Support `prek.toml` in `auto-update`#1547

Support `prek.toml` in `auto-update`#1547
j178 merged 2 commits intoprektomlfrom
auto-update-toml

j178 commented Feb 3, 2026

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