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#!/usr/bin/env python

import sys
import requests
from os.path import exists, join
from subprocess import CalledProcessError, check_call

if len(sys.argv) > 1:
    github_user = sys.argv[1]
else:
    sys.exit("Usage: python clone_gists.py <username>")

all_gists = requests.get('https://api.github.com/users/%s/gists' % github_user)

for gist in all_gists.json():
    try:
        gist_desc = gist['description']
        if not exists(join(gist_desc, '.git')):
            check_call(['git', 'clone', gist['git_pull_url'], gist_desc])
        else:
            check_call(['git', '-C', gist_desc, 'pull', '-v'])
    except CalledProcessError:
        print("ERROR cloning/updating gist %s (%s)" % gist['id'], gist_desc)
    except KeyboardInterrupt:
        break