def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def _every_weekday(job, weekday, loop=None):
    return every(job, timedelta=timedelta(days=7), start_at=_nearest_weekday(weekday), loop=loop)