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docs: check-non-existing-and-duplicate-excludes only supports simple regexes #147

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hofbi merged 2 commits into from
Jun 5, 2026
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docs: check-non-existing-and-duplicate-excludes only supports simple regexes #147

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docs: check-non-existing-and-duplicate-excludes only supports simple …
cbachhuber Jun 5, 2026
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cbachhuber Jun 5, 2026
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3 changes: 3 additions & 0 deletions .pre-commit-hooks.yaml
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Expand Up @@ -197,6 +197,9 @@

Background: In a big codebase, the exclude lists can be quite long and it's easy to make a typo or forget to remove an entry when it's no longer needed.
This hook helps you to maintain a clean and up to date exclude list.

Note: This hook deliberately only supports simple `|`-separated lists of file paths in `exclude` fields — complex regular expressions are not supported.
Keeping exclusions as plain `|`-separated paths also makes it easier for humans to maintain an overview of what is excluded.
entry: check-useless-exclude-paths-hooks
pass_filenames: false
always_run: true
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3 changes: 3 additions & 0 deletions README.md
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Expand Up @@ -167,6 +167,9 @@ Check for non existing and duplicate paths in `.pre-commit-config.yaml`.
Background: In a big codebase, the exclude lists can be quite long and it's easy to make a typo or forget to remove an entry when it's no longer needed.
This hook helps you to maintain a clean and up to date exclude list.

Note: This hook deliberately only supports simple `|`-separated lists of file paths in `exclude` fields — complex regular expressions are not supported.
Keeping exclusions as plain `|`-separated paths also makes it easier for humans to maintain an overview of what is excluded.

### `print-pre-commit-metrics`

Count the number of excludes in `.pre-commit-config.yaml` and print them in json format.
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