Function option_parse_trailer

builtin/interpret-trailers.c:61–82

}

static int option_parse_trailer(const struct option *opt,
				   const char *arg, int unset)
{
	struct list_head *trailers = opt->value;
	struct new_trailer_item *item;

	if (unset) {
		new_trailers_clear(trailers);
		return 0;
	}

	if (!arg)
		return -1;

	item = xmalloc(sizeof(*item));
	item->text = arg;
	item->where = where;
	item->if_exists = if_exists;
	item->if_missing = if_missing;
	list_add_tail(&item->list, trailers);
	return 0;
}

static int parse_opt_parse(const struct option *opt, const char *arg,
			   int unset)