Function main

pre_commit/main.py:202–450

(argv: Sequence[str] | None = None)

def main(argv: Sequence[str] | None = None) -> int:
    argv = argv if argv is not None else sys.argv[1:]
    parser = argparse.ArgumentParser(prog='pre-commit')

    # https://stackoverflow.com/a/8521644/812183
    parser.add_argument(
        '-V', '--version',
        action='version',
        version=f'%(prog)s {C.VERSION}',
    )

    subparsers = parser.add_subparsers(dest='command')

    def _add_cmd(name: str, *, help: str) -> argparse.ArgumentParser:
        parser = subparsers.add_parser(name, help=help)
        add_color_option(parser)
        return parser

    autoupdate_parser = _add_cmd(
        'autoupdate',
        help="Auto-update pre-commit config to the latest repos' versions.",
    )
    _add_config_option(autoupdate_parser)
    autoupdate_parser.add_argument(
        '--bleeding-edge', action='store_true',
        help=(
            'Update to the bleeding edge of `HEAD` instead of the latest '
            'tagged version (the default behavior).'
        ),
    )
    autoupdate_parser.add_argument(
        '--freeze', action='store_true',
        help='Store "frozen" hashes in `rev` instead of tag names',
    )
    autoupdate_parser.add_argument(
        '--repo', dest='repos', action='append', metavar='REPO', default=[],
        help='Only update this repository -- may be specified multiple times.',
    )
    autoupdate_parser.add_argument(
        '-j', '--jobs', type=int, default=1,
        help='Number of threads to use.  (default %(default)s).',
    )

    _add_cmd('clean', help='Clean out pre-commit files.')

    _add_cmd('gc', help='Clean unused cached repos.')

    hazmat_parser = _add_cmd(
        'hazmat', help='Composable tools for rare use in hook `entry`.',
    )
    hazmat.add_parsers(hazmat_parser)

    init_templatedir_parser = _add_cmd(
        'init-templatedir',
        help=(
            'Install hook script in a directory intended for use with '
            '`git config init.templateDir`.'
        ),