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Diffstat (limited to 'pre_commit_hooks/no_commit_to_branch.py')
-rw-r--r-- | pre_commit_hooks/no_commit_to_branch.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/pre_commit_hooks/no_commit_to_branch.py b/pre_commit_hooks/no_commit_to_branch.py new file mode 100644 index 0000000..741f726 --- /dev/null +++ b/pre_commit_hooks/no_commit_to_branch.py @@ -0,0 +1,48 @@ +from __future__ import annotations + +import argparse +import re +from typing import AbstractSet +from typing import Sequence + +from pre_commit_hooks.util import CalledProcessError +from pre_commit_hooks.util import cmd_output + + +def is_on_branch( + protected: AbstractSet[str], + patterns: AbstractSet[str] = frozenset(), +) -> bool: + try: + ref_name = cmd_output('git', 'symbolic-ref', 'HEAD') + except CalledProcessError: + return False + chunks = ref_name.strip().split('/') + branch_name = '/'.join(chunks[2:]) + return branch_name in protected or any( + re.match(p, branch_name) for p in patterns + ) + + +def main(argv: Sequence[str] | None = None) -> int: + parser = argparse.ArgumentParser() + parser.add_argument( + '-b', '--branch', action='append', + help='branch to disallow commits to, may be specified multiple times', + ) + parser.add_argument( + '-p', '--pattern', action='append', + help=( + 'regex pattern for branch name to disallow commits to, ' + 'may be specified multiple times' + ), + ) + args = parser.parse_args(argv) + + protected = frozenset(args.branch or ('master', 'main')) + patterns = frozenset(args.pattern or ()) + return int(is_on_branch(protected, patterns)) + + +if __name__ == '__main__': + raise SystemExit(main()) |