Inspect all sibling directories, and show current git revisions for each that is a git repo.

all-project-hashes.py

#!/usr/bin/env python2.6
"""Inspect all sibling directories, and show current git revisions for each that is a git repo."""

import re
import sys
import os
import subprocess


MODULE_PATH = os.path.abspath(os.path.dirname(sys.argv[0]))


def is_git_path(path):
    return os.path.isdir(os.path.join(path, '.git'))


def find_git_revision(path):
    git_path = os.path.join(path, '.git')
    p = subprocess.Popen(['git', '--git-dir={0}'.format(git_path), 'rev-parse', 'HEAD'], stdout=subprocess.PIPE)
    stdout, stderr = p.communicate()
    return stdout.strip()


def all_dirs(path):
    for name in os.listdir(path):
        inner_path = os.path.join(path, name)
        if os.path.isdir(inner_path):
            yield inner_path


def main(args):
    for path in all_dirs(MODULE_PATH):
        if is_git_path(path):
            name = os.path.basename(path)
            rev = find_git_revision(path)
            print '{0:s}:{1:s}'.format(name, rev)
    return 0


if __name__ == '__main__':
    args = sys.argv[1:]
    sys.exit(main(args))