Function check_label_or_ref_arg

sequencer.c:2630–2656

}

static int check_label_or_ref_arg(enum todo_command command, const char *arg)
{
	switch (command) {
	case TODO_LABEL:
		/*
		 * '#' is not a valid label as the merge command uses it to
		 * separate merge parents from the commit subject.
		 */
		if (!strcmp(arg, "#") ||
		    check_refname_format(arg, REFNAME_ALLOW_ONELEVEL))
			return error(_("'%s' is not a valid label"), arg);
		break;

	case TODO_UPDATE_REF:
		if (check_refname_format(arg, REFNAME_ALLOW_ONELEVEL))
			return error(_("'%s' is not a valid refname"), arg);
		if (check_refname_format(arg, 0))
			return error(_("update-ref requires a fully qualified "
				       "refname e.g. refs/heads/%s"), arg);
		break;

	default:
		BUG("unexpected todo_command");
	}

	return 0;
}

static int check_merge_commit_insn(enum todo_command command)
{