import argparse as ap


def add_parser(sp: ap._SubParsersAction[ap.ArgumentParser]):
    pull = sp.add_parser("pull", help="pull changes from git remote")
    pull.add_argument("--rebase", "-r", help="execute rebase", action="store_true")
    pull.add_argument(
        "--apply",
        "-a",
        help="also apply the changes to the local system",
        action="store_true",
    )