#!/usr/bin/env python
"""
    Checker for line endings
    ~~~~~~~~~~~~~~~~~~~~~~~~

    Make sure Python (.py) and Bash completition (.bashcomp) files do not
    contain CR/LF newlines.

    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import sys
import os

if __name__ == '__main__':
    for directory in sys.argv[1:]:
        if not os.path.exists(directory):
            continue

        for root, dirs, files in os.walk(directory):
            for filename in files:
                if not filename.endswith('.py') and not filename.endswith('.bashcomp'):
                    continue

                full_path = os.path.join(root, filename)
                with open(full_path, 'rb') as f:
                    if b'\r\n' in f.read():
                        print('CR/LF found in', full_path)
                        sys.exit(1)

    sys.exit(0)
