Run `mr register` on all git folders

gistfile1.txt

#!/usr/bin/env python3
  
import argparse
import os
import subprocess


def mr_register(root):
    dirs = os.listdir(root)
    for _dir in dirs:
        if not os.path.isdir(_dir):
            continue
        os.chdir(_dir)
        try:
            print('registering', _dir)
            process = subprocess.run(['mr', 'register'], capture_output=True)
            if process.returncode == 2 and process.stderr.decode().strip() == 'mr register: unknown repository type':
                continue
            elif process.returncode != 0:
                raise Exception('process failed, process:', process)
        finally:
            os.chdir('..')


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--dir', default='.', help='the directory to register all sub-directories in mr')

    args = parser.parse_args()

    mr_register(args.dir)

if __name__ == '__main__':
    main()