73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
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import argparse
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import re
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from typing import Optional
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from typing import Sequence
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from cfgv import apply_defaults
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import pre_commit.constants as C
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from pre_commit import git
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from pre_commit.clientlib import load_config
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from pre_commit.clientlib import MANIFEST_HOOK_DICT
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from pre_commit.commands.run import Classifier
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def exclude_matches_any(
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filenames: Sequence[str],
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include: str,
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exclude: str,
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) -> bool:
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if exclude == '^$':
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return True
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include_re, exclude_re = re.compile(include), re.compile(exclude)
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for filename in filenames:
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if include_re.search(filename) and exclude_re.search(filename):
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return True
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return False
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def check_useless_excludes(config_file: str) -> int:
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config = load_config(config_file)
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classifier = Classifier(git.get_all_files())
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retv = 0
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exclude = config['exclude']
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if not exclude_matches_any(classifier.filenames, '', exclude):
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print(
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f'The global exclude pattern {exclude!r} does not match any files',
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)
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retv = 1
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for repo in config['repos']:
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for hook in repo['hooks']:
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# Not actually a manifest dict, but this more accurately reflects
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# the defaults applied during runtime
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hook = apply_defaults(hook, MANIFEST_HOOK_DICT)
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names = classifier.filenames
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types, exclude_types = hook['types'], hook['exclude_types']
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names = classifier.by_types(names, types, exclude_types)
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include, exclude = hook['files'], hook['exclude']
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if not exclude_matches_any(names, include, exclude):
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print(
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f'The exclude pattern {exclude!r} for {hook["id"]} does '
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f'not match any files',
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)
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retv = 1
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return retv
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def main(argv: Optional[Sequence[str]] = None) -> int:
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parser = argparse.ArgumentParser()
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parser.add_argument('filenames', nargs='*', default=[C.CONFIG_FILE])
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args = parser.parse_args(argv)
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retv = 0
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for filename in args.filenames:
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retv |= check_useless_excludes(filename)
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return retv
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if __name__ == '__main__':
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exit(main())
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