Function process_ref_v2

connect.c:395–478

Returns 1 when a valid ref has been added to `list`, 0 otherwise */

/* Returns 1 when a valid ref has been added to `list`, 0 otherwise */
static int process_ref_v2(struct packet_reader *reader, struct ref ***list,
			  const char **unborn_head_target)
{
	int ret = 1;
	size_t i = 0;
	struct object_id old_oid;
	struct ref *ref;
	struct string_list line_sections = STRING_LIST_INIT_DUP;
	const char *end;
	const char *line = reader->line;

	/*
	 * Ref lines have a number of fields which are space deliminated.  The
	 * first field is the OID of the ref.  The second field is the ref
	 * name.  Subsequent fields (symref-target and peeled) are optional and
	 * don't have a particular order.
	 */
	if (string_list_split(&line_sections, line, " ", -1) < 2) {
		ret = 0;
		goto out;
	}

	if (!strcmp("unborn", line_sections.items[i].string)) {
		i++;
		if (unborn_head_target &&
		    !strcmp("HEAD", line_sections.items[i++].string)) {
			/*
			 * Look for the symref target (if any). If found,
			 * return it to the caller.
			 */
			for (; i < line_sections.nr; i++) {
				const char *arg = line_sections.items[i].string;

				if (skip_prefix(arg, "symref-target:", &arg)) {
					*unborn_head_target = xstrdup(arg);
					break;
				}
			}
		}
		goto out;
	}
	if (parse_oid_hex_algop(line_sections.items[i++].string, &old_oid, &end, reader->hash_algo) ||
	    *end) {
		ret = 0;
		goto out;
	}

	ref = alloc_ref(line_sections.items[i++].string);

	memcpy(ref->old_oid.hash, old_oid.hash, reader->hash_algo->rawsz);
	**list = ref;
	*list = &ref->next;

	for (; i < line_sections.nr; i++) {
		const char *arg = line_sections.items[i].string;
		if (skip_prefix(arg, "symref-target:", &arg))
			ref->symref = xstrdup(arg);