git-subs.py

#!/usr/bin/env python
import sys
import subprocess
import os
import re
import tempfile


def run_command(command):
    try:
        return subprocess.check_output(command.split(' ')).strip()
    except Exception:
        pass


def get_branch_name():
    return run_command('git rev-parse --abbrev-ref HEAD')


def get_submodules():
    with open('.gitmodules', 'r') as f: 
        lines = filter(lambda line: 'path' in line, f.readlines())
        lines = [line.replace('path =', '').strip() for line in lines]
        return lines

if __name__ == "__main__":
    command = sys.argv[1]
    
    current_folder = os.getcwd()
    print current_folder, run_command(command)
    for folder in get_submodules():
        new_folder = os.path.join(current_folder, folder)
        os.chdir(new_folder)
        print new_folder, run_command(command)
        os.chdir(current_folder)