@classmethod
def args(cls, parser):
    """Populates the argument parser for the config command."""
    parser.add_argument('-l', '--list', action='store_true', default=False,
        help='List the current workspace config')
    parser.add_argument('-p', '--project', action='store', default=None,
        help='Set project-specific config')
    parser.add_argument('options', action='store', nargs='*', help=
        'Key-value options (format key=value')
