Script to mirror repos from an organization

mirror-repos.py

#!/usr/local/bin/python

# this script gets the JSON from api.github for a user
# and mirrors (or fetches, for existing) that user's repos

import os
import sys
import json
import urllib2
import subprocess

GIT_BINARY="/usr/local/bin/git"
OAUTH_KEY="AUTH_KEY_HERE"

if (len(sys.argv) != 3):
   print "usage: mirror-github-repos <username> </full/base/path/for/cloned-repos>"
   quit()

url = "https://api.github.com/orgs/%s/repos?access_token=%s&page=1&per_page=100" % (sys.argv[1], OAUTH_KEY)
req = urllib2.Request(url)
res = urllib2.urlopen(req)
json_object = json.load(res)

for object in json_object:
   full_repo_name = '%s/%s.git' % (sys.argv[2], object["name"])
   if (os.path.isdir(full_repo_name)):
      # EXISTING - update repo
      os.chdir(full_repo_name)
      subprocess.call([GIT_BINARY, "fetch", "-q", "--all", "--tags"])
   else:
      # NEW - do full clone into dir
      subprocess.call([GIT_BINARY, "clone", "--mirror", object["ssh_url"], full_repo_name])