gistfile1.py

import os
from os.path import join as pjoin, isdir
import sys
import shutil
from subprocess import call

input_dir = '/Users/mb312/dev_trees'
output_dir = os.getcwd()
for dir in sorted(os.listdir(input_dir)):
    if dir.startswith('.'):
        continue
    this_dir = pjoin(input_dir, dir)
    if not isdir(this_dir):
        continue
    that_dir = pjoin(output_dir, dir)
    if isdir(that_dir):
        continue
    print(this_dir)
    if isdir(pjoin(this_dir, '.git')):
        print('Cloning')
        os.chdir(this_dir)
        try:
            call(['git', 'fetch', '--all'])
            call(['git', 'tff'])
        finally:
            os.chdir(output_dir)
        call(['git', 'clone', this_dir])
    else:
        print('Copying')
        shutil.copytree(this_dir, pjoin(output_dir, dir), symlinks=True)

Get all the repos on my machine, updating git repos