Function get_remote_heads

connect.c:340–392

* Read all the refs from the other end */

 * Read all the refs from the other end
 */
struct ref **get_remote_heads(struct packet_reader *reader,
			      struct ref **list, unsigned int flags,
			      struct oid_array *extra_have,
			      struct oid_array *shallow_points)
{
	struct ref **orig_list = list;
	size_t len = 0;
	enum get_remote_heads_state state = EXPECTING_FIRST_REF;

	*list = NULL;

	while (state != EXPECTING_DONE) {
		switch (packet_reader_read(reader)) {
		case PACKET_READ_EOF:
			die_initial_contact(1);
		case PACKET_READ_NORMAL:
			len = reader->pktlen;
			break;
		case PACKET_READ_FLUSH:
			state = EXPECTING_DONE;
			break;
		case PACKET_READ_DELIM:
		case PACKET_READ_RESPONSE_END:
			die(_("invalid packet"));
		}

		switch (state) {
		case EXPECTING_FIRST_REF:
			process_capabilities(reader, &len);
			if (process_dummy_ref(reader)) {
				state = EXPECTING_SHALLOW;
				break;
			}
			state = EXPECTING_REF;
			/* fallthrough */
		case EXPECTING_REF:
			if (process_ref(reader, len, &list, flags, extra_have))
				break;
			state = EXPECTING_SHALLOW;
			/* fallthrough */
		case EXPECTING_SHALLOW:
			if (process_shallow(reader, len, shallow_points))
				break;
			die(_("protocol error: unexpected '%s'"), reader->line);
		case EXPECTING_DONE:
			break;
		}
	}

	annotate_refs_with_symref_info(*orig_list);

	return list;
}

/* 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,