blob: 50bc9c0ce90c732aaa1ab93fa1ede0cfc61a6a07 [file] [log] [blame]
"""Check that text files with a shebang are executable."""
import argparse
import shlex
import sys
from typing import List
from typing import Optional
from typing import Sequence
from typing import Set
from pre_commit_hooks.check_executables_have_shebangs import EXECUTABLE_VALUES
from pre_commit_hooks.check_executables_have_shebangs import git_ls_files
from pre_commit_hooks.check_executables_have_shebangs import has_shebang
def check_shebangs(paths: List[str]) -> int:
# Cannot optimize on non-executability here if we intend this check to
# work on win32 -- and that's where problems caused by non-executability
# (elsewhere) are most likely to arise from.
return _check_git_filemode(paths)
def _check_git_filemode(paths: Sequence[str]) -> int:
seen: Set[str] = set()
for ls_file in git_ls_files(paths):
is_executable = any(b in EXECUTABLE_VALUES for b in ls_file.mode[-3:])
if not is_executable and has_shebang(ls_file.filename):
return int(bool(seen))
def _message(path: str) -> None:
f'{path}: has a shebang but is not marked executable!\n'
f' If it is supposed to be executable, try: '
f'`chmod +x {shlex.quote(path)}`\n'
f' If it not supposed to be executable, double-check its shebang '
f'is wanted.\n',
def main(argv: Optional[Sequence[str]] = None) -> int:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('filenames', nargs='*')
args = parser.parse_args(argv)
return check_shebangs(args.filenames)
if __name__ == '__main__':
raise SystemExit(main())