Find any VCS directories in the specified path (ie. git, mercurial, svn, CVS)

find_vcs_dirs.py

#!/usr/bin/env python3
"""
Find all the VCS controlled directories in a file path
"""
import argparse
import os

EXTS = ['.git', '.hg', '.svn', 'CVS']

def find(path):
    """ Find all VCS dirs in specified path """
    found_roots = []
    for root, dirs, _, in os.walk(path):
        for folder in dirs:
            if folder in EXTS:
                # We've seen a matching dir
                # See if we already found a parent
                for found_root in found_roots:
                    if root.find(found_root) == 0:
                        break
                else:
                    found_roots.append(root)
    for root in found_roots:
        print(root)

def main():
    """Main function"""
    parser = argparse.ArgumentParser()
    parser.add_argument('path', help='path to search for VCS dirs')
    args = parser.parse_args()
    find(args.path)

if __name__ == "__main__":
    main()