Function interpret_branch_mark

object-name.c:1428–1470

}

static int interpret_branch_mark(struct repository *r,
				 const char *name, int namelen,
				 int at, struct strbuf *buf,
				 int (*get_mark)(const char *, int),
				 const char *(*get_data)(struct branch *,
							 struct strbuf *),
				 const struct interpret_branch_name_options *options)
{
	int len;
	struct branch *branch;
	struct strbuf err = STRBUF_INIT;
	const char *value;

	len = get_mark(name + at, namelen - at);
	if (!len)
		return -1;

	if (memchr(name, ':', at))
		return -1;

	if (at) {
		char *name_str = xmemdupz(name, at);
		branch = branch_get(name_str);
		free(name_str);
	} else
		branch = branch_get(NULL);

	value = get_data(branch, &err);
	if (!value) {
		if (options->nonfatal_dangling_mark) {
			strbuf_release(&err);
			return -1;
		} else {
			die("%s", err.buf);
		}
	}

	if (!branch_interpret_allowed(value, options->allowed))
		return -1;

	set_shortened_ref(r, buf, value);
	return len + at;
}

int repo_interpret_branch_name(struct repository *r,
			       const char *name, int namelen,