Add tag filters to update configuration

[j178]

Closes #2212

Adds project-level tag filters and per-repository overrides to update.

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[chatgpt-codex-connector]

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[prek-ci-bot]

📦 Cargo Bloat Comparison

Binary size change: +0.69% (28.8 MiB → 29.0 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_42_0_aes_gcm_encrypt_avx512
 1.1%   2.3% 332.0KiB        aws_lc_sys aws_lc_0_42_0_aes_gcm_decrypt_avx512
 0.3%   0.6%  79.7KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  52.3KiB              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>
 0.2%   0.3%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.1%   0.3%  43.3KiB              prek prek::cli::run::run::run::{closure#0}
 0.1%   0.3%  40.1KiB              prek prek::run::{closure#0}
 0.1%   0.2%  31.9KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  30.1KiB              prek prek::cli::update::update::{closure#0}
 0.1%   0.2%  29.5KiB     granit_parser <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
 0.1%   0.2%  28.6KiB    cargo_metadata <&mut serde_json::de::Deserializer<serde_json::read::StrRead> as serde_core::de::Deserializer>::deserialize_struct::<<cargo_metadata::Package as serde_core::de::Deserialize>::deserialize::__Visitor>
 0.1%   0.2%  28.2KiB              prek <<prek::config::RemoteHook 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>
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_42_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_42_0_edwards25519_scalarmuldouble
 0.1%   0.2%  26.9KiB              prek prek::cli::try_repo::try_repo::{closure#0}
 0.1%   0.2%  25.6KiB              prek <<prek::config::LocalHook 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>
 0.1%   0.2%  25.2KiB              prek <<prek::config::UpdateOptions 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>
 0.1%   0.2%  24.9KiB               xml <xml::reader::parser::PullParser>::dispatch_token
 0.1%   0.2%  23.8KiB              prek <prek::languages::node::installer::NodeInstaller>::install::{closure#0}
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
42.0%  88.1%  12.2MiB                   And 25599 smaller methods. Use -n N to show more.
47.7% 100.0%  13.8MiB                   .text section size, the file size is 29.0MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.1%   2.4% 332.0KiB        aws_lc_sys aws_lc_0_42_0_aes_gcm_encrypt_avx512
 1.1%   2.4% 332.0KiB        aws_lc_sys aws_lc_0_42_0_aes_gcm_decrypt_avx512
 0.3%   0.6%  80.3KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  50.1KiB              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>
 0.2%   0.4%  49.4KiB annotate_snippets annotate_snippets::renderer::render::render
 0.1%   0.3%  43.8KiB              prek prek::cli::run::run::run::{closure#0}
 0.1%   0.2%  31.9KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  29.5KiB     granit_parser <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
 0.1%   0.2%  28.6KiB    cargo_metadata <&mut serde_json::de::Deserializer<serde_json::read::StrRead> as serde_core::de::Deserializer>::deserialize_struct::<<cargo_metadata::Package as serde_core::de::Deserialize>::deserialize::__Visitor>
 0.1%   0.2%  28.2KiB              prek <<prek::config::RemoteHook 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>
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_42_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.8KiB              prek prek::run::{closure#0}
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_42_0_edwards25519_scalarmuldouble
 0.1%   0.2%  27.0KiB              prek prek::cli::try_repo::try_repo::{closure#0}
 0.1%   0.2%  25.6KiB              prek <<prek::config::LocalHook 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>
 0.1%   0.2%  24.9KiB               xml <xml::reader::parser::PullParser>::dispatch_token
 0.1%   0.2%  24.6KiB              prek prek::cli::update::update::{closure#0}
 0.1%   0.2%  23.7KiB              prek <prek::languages::node::installer::NodeInstaller>::install::{closure#0}
 0.1%   0.2%  22.9KiB              prek <prek::languages::golang::installer::GoInstaller>::install::{closure#0}
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
41.9%  88.1%  12.1MiB                   And 25500 smaller methods. Use -n N to show more.
47.6% 100.0%  13.7MiB                   .text section size, the file size is 28.8MiB

[prek-ci-bot]

⚡️ Hyperfine Benchmarks

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

Environment

• OS: Linux 6.17.0-1018-azure
• CPU: 4 cores
• prek version: prek 0.4.9+32 (8ac8190 2026-07-16)
• Rust version: rustc 1.97.0 (2d8144b78 2026-07-07)
• 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	2.5 ± 0.1	2.3	3.0	1.03 ± 0.06
prek-head --version	2.4 ± 0.1	2.3	2.6	1.00

prek list

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base list	10.2 ± 0.3	9.8	11.3	1.03 ± 0.04
prek-head list	9.9 ± 0.3	9.5	10.9	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	3.7 ± 0.1	3.5	3.9	1.09 ± 0.04
prek-head validate-config .pre-commit-config.yaml	3.4 ± 0.1	3.2	3.6	1.00

prek sample-config

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base sample-config	2.9 ± 0.1	2.8	3.1	1.11 ± 0.06
prek-head sample-config	2.6 ± 0.1	2.5	3.2	1.00

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	83.0 ± 2.8	77.9	87.4	1.02 ± 0.05
prek-head run --all-files	81.8 ± 3.0	77.2	87.3	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --all-files	81.5 ± 4.1	75.4	87.4	1.00
prek-head run --all-files	81.6 ± 3.2	76.7	87.4	1.00 ± 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	82.4 ± 3.1	75.3	90.3	1.02 ± 0.06
prek-head run --all-files	80.8 ± 3.1	73.9	90.7	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	22.3 ± 0.7	21.1	23.6	1.03 ± 0.05
prek-head run trailing-whitespace --all-files	21.7 ± 0.7	20.3	23.3	1.00

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	28.8 ± 2.7	25.2	36.9	1.00 ± 0.12
prek-head run end-of-file-fixer --all-files	28.7 ± 2.1	26.1	33.5	1.00

prek run check-json --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-json --all-files	8.7 ± 0.4	8.1	9.8	1.05 ± 0.06
prek-head run check-json --all-files	8.3 ± 0.3	7.8	8.9	1.00

prek run check-yaml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-yaml --all-files	8.3 ± 0.3	7.9	9.0	1.03 ± 0.05
prek-head run check-yaml --all-files	8.1 ± 0.2	7.7	8.8	1.00

prek run check-toml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-toml --all-files	8.9 ± 1.1	7.9	12.7	1.08 ± 0.14
prek-head run check-toml --all-files	8.2 ± 0.3	7.6	9.0	1.00

prek run check-xml --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-xml --all-files	8.7 ± 0.3	7.9	9.3	1.07 ± 0.09
prek-head run check-xml --all-files	8.1 ± 0.6	7.4	9.5	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	15.0 ± 1.0	13.2	17.1	1.00
prek-head run detect-private-key --all-files	15.2 ± 1.8	12.4	21.3	1.01 ± 0.14

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	31.2 ± 47.6	18.6	273.5	1.56 ± 2.38
prek-head run fix-byte-order-marker --all-files	20.0 ± 1.2	18.0	22.8	1.00

✅ Performance improvement for prek run fix-byte-order-marker --all-files: 35.9100% 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	5.4 ± 0.1	5.3	5.6	1.06 ± 0.03
prek-head install-hooks	5.1 ± 0.0	5.1	5.2	1.00

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	1.04 ± 0.05
prek-head install-hooks	4.9 ± 0.2	4.8	5.2	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	41.3 ± 3.1	39.2	50.1	1.04 ± 0.08
prek-head run	39.8 ± 1.3	37.8	43.1	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run --files '*.json'	9.3 ± 0.4	8.5	9.9	1.04 ± 0.06
prek-head run --files '*.json'	8.9 ± 0.3	8.2	9.5	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 ± 0.2	7.4	8.0	1.02 ± 0.04
prek-head run --dry-run --all-files	7.5 ± 0.2	7.3	7.9	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	12.0 ± 0.3	11.6	12.4	1.04 ± 0.04
prek-head run check-hooks-apply --all-files	11.5 ± 0.3	11.1	12.5	1.00

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

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run check-useless-excludes --all-files	11.4 ± 0.2	11.1	11.9	1.01 ± 0.03
prek-head run check-useless-excludes --all-files	11.3 ± 0.2	11.0	11.7	1.00

prek run identity --all-files

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
prek-base run identity --all-files	10.7 ± 0.2	10.4	11.0	1.00 ± 0.03
prek-head run identity --all-files	10.7 ± 0.2	10.3	11.1	1.00

[codecov]

Codecov Report

❌ Patch coverage is 98.47495% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 93.33%. Comparing base (dcfa91b) to head (4172f80).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/prek/src/cli/update/mod.rs	96.66%	4 Missing ⚠️
crates/prek/src/cli/mod.rs	90.62%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2354      +/-   ##
==========================================
+ Coverage   93.26%   93.33%   +0.06%     
==========================================
  Files         128      128              
  Lines       26934    27233     +299     
==========================================
+ Hits        25121    25417     +296     
- Misses       1813     1816       +3     

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