clone-github.py

def clone(source, target, bare=False, fresh=False):
    if os.path.exists(target) and fresh:
        shutil.rmtree(target)

    # so dulwich doesn't shit the bed when given a github url
    if not source.endswith('.git'):
        source = source + '.git'

    if not os.path.exists(target):
        mkdir(target)

    repo = dulwich.porcelain.clone(source, target, bare)

    # ugh
    remote_client, remote_path = dulwich.client.get_transport_and_path(source)
    remote_refs = remote_client.fetch(remote_path, repo)

    for key,value in remote_refs.items():
        if key.endswith('^{}'):  # wtf github?
            key = key[:3]
        try:
            repo.refs[key] = value
        except:
            pass

    return repo