mirror of
https://github.com/pre-commit/pre-commit-hooks.git
synced 2025-08-15 01:54:44 +08:00
71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
import argparse
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import json
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import math
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import os
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from typing import Optional
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from typing import Sequence
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from typing import Set
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from pre_commit_hooks.util import added_files
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from pre_commit_hooks.util import CalledProcessError
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from pre_commit_hooks.util import cmd_output
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def lfs_files() -> Set[str]:
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try:
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# Introduced in git-lfs 2.2.0, first working in 2.2.1
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lfs_ret = cmd_output('git', 'lfs', 'status', '--json')
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except CalledProcessError: # pragma: no cover (with git-lfs)
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lfs_ret = '{"files":{}}'
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return set(json.loads(lfs_ret)['files'])
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def find_large_added_files(
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filenames: Sequence[str],
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maxkb: int,
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*,
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enforce_all: bool = False,
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) -> int:
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# Find all added files that are also in the list of files pre-commit tells
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# us about
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retv = 0
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filenames_filtered = set(filenames) - lfs_files()
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if not enforce_all:
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filenames_filtered &= added_files()
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for filename in filenames_filtered:
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kb = int(math.ceil(os.stat(filename).st_size / 1024))
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if kb > maxkb:
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print(f'{filename} ({kb} KB) exceeds {maxkb} KB.')
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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(
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'filenames', nargs='*',
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help='Filenames pre-commit believes are changed.',
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)
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parser.add_argument(
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'--enforce-all', action='store_true',
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help='Enforce all files are checked, not just staged files.',
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)
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parser.add_argument(
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'--maxkb', type=int, default=500,
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help='Maximum allowable KB for added files',
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)
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args = parser.parse_args(argv)
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return find_large_added_files(
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args.filenames,
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args.maxkb,
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enforce_all=args.enforce_all,
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)
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if __name__ == '__main__':
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exit(main())
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