Function receive_shallow_info

fetch-pack.c:1576–1644

}

static void receive_shallow_info(struct fetch_pack_args *args,
				 struct packet_reader *reader,
				 struct oid_array *shallows,
				 struct shallow_info *si)
{
	int unshallow_received = 0;

	process_section_header(reader, "shallow-info", 0);
	while (packet_reader_read(reader) == PACKET_READ_NORMAL) {
		const char *arg;
		struct object_id oid;

		if (skip_prefix(reader->line, "shallow ", &arg)) {
			if (get_oid_hex(arg, &oid))
				die(_("invalid shallow line: %s"), reader->line);
			oid_array_append(shallows, &oid);
			continue;
		}
		if (skip_prefix(reader->line, "unshallow ", &arg)) {
			if (get_oid_hex(arg, &oid))
				die(_("invalid unshallow line: %s"), reader->line);
			if (!lookup_object(the_repository, &oid))
				die(_("object not found: %s"), reader->line);
			/* make sure that it is parsed as shallow */
			if (!parse_object(the_repository, &oid))
				die(_("error in object: %s"), reader->line);
			if (unregister_shallow(&oid))
				die(_("no shallow found: %s"), reader->line);
			unshallow_received = 1;
			continue;
		}
		die(_("expected shallow/unshallow, got %s"), reader->line);
	}

	if (reader->status != PACKET_READ_FLUSH &&
	    reader->status != PACKET_READ_DELIM)
		die(_("error processing shallow info: %d"), reader->status);

	if (args->deepen || unshallow_received) {
		/*
		 * Treat these as shallow lines caused by our depth settings.
		 * In v0, these lines cannot cause refs to be rejected; do the
		 * same.
		 */
		int i;

		for (i = 0; i < shallows->nr; i++)
			register_shallow(the_repository, &shallows->oid[i]);
		setup_alternate_shallow(&shallow_lock, &alternate_shallow_file,
					NULL);
		args->deepen = 1;
	} else if (shallows->nr) {
		/*
		 * Treat these as shallow lines caused by the remote being
		 * shallow. In v0, remote refs that reach these objects are
		 * rejected (unless --update-shallow is set); do the same.
		 */
		prepare_shallow_info(si, shallows);