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IuryAlves/pre-commit

Created August 31, 2017 14:41
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  1. iury created this gist Aug 31, 2017.
    81 changes: 81 additions & 0 deletions pre-commit
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,81 @@
    #!/usr/bin/env python

    # Original at http://tech.yipit.com/2011/11/16/183772396/
    # Insert this into .git/hooks/pre-commit

    import re
    import subprocess
    import sys

    modified = re.compile('^(?:M|A)(\s+)(?P<name>.*)')

    CHECKS = [
    {
    'output': 'Checking for pdbs...',
    'command': 'grep -n "import pdb" %s',
    'match_files': ['.*\.py$'],
    'print_filename': True,
    },
    {
    'output': 'Running flake8...',
    'command': 'flake8 %s',
    'match_files': ['.*\.py$'],
    'print_filename': False,
    },
    {
    'output': 'Running eslint...',
    'command': './node_modules/.bin/eslint %s',
    'match_files': ['.*\.js$'],
    'print_filename': False,
    },
    {
    'output': 'Running scsslint...',
    'command': 'scss-lint %s',
    'match_files': ['.*\.scss$'],
    'print_filename': False,
    },
    ]


    def matches_file(file_name, match_files):
    return any(re.compile(match_file).match(file_name) for match_file in match_files)


    def check_files(files, check):
    result = 0
    print(check['output'])
    for file_name in files:
    if 'match_files' not in check or matches_file(file_name, check['match_files']):
    if 'ignore_files' not in check or not matches_file(file_name, check['ignore_files']):
    process = subprocess.Popen(check['command'] % file_name, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
    shell=True)
    out, err = process.communicate()
    if out or err:
    if check['print_filename']:
    print('\t%s:' % file_name)
    print(out.decode('utf-8'))
    if err:
    print(err.decode('utf-8'))
    result = 1
    return result


    def main():
    files = []

    p = subprocess.Popen(['git', 'status', '--porcelain'], stdout=subprocess.PIPE)
    out, err = p.communicate()

    for line in out.splitlines():
    match = modified.match(line.decode("utf-8").lstrip(' '))
    if match:
    files.append(match.group('name'))

    result = 0
    for check in CHECKS:
    result = check_files(files, check) or result

    sys.exit(result)

    if __name__ == '__main__':
    main()