Function parse_want_ref

upload-pack.c:1507–1550

}

static int parse_want_ref(struct packet_writer *writer, const char *line,
			  struct strmap *wanted_refs,
			  struct strvec *hidden_refs,
			  struct object_array *want_obj)
{
	const char *refname_nons;
	if (skip_prefix(line, "want-ref ", &refname_nons)) {
		struct object_id oid;
		struct object *o = NULL;
		struct strbuf refname = STRBUF_INIT;

		strbuf_addf(&refname, "%s%s", get_git_namespace(), refname_nons);
		if (ref_is_hidden(refname_nons, refname.buf, hidden_refs) ||
		    refs_read_ref(get_main_ref_store(the_repository), refname.buf, &oid)) {
			packet_writer_error(writer, "unknown ref %s", refname_nons);
			die("unknown ref %s", refname_nons);
		}
		strbuf_release(&refname);

		if (strmap_put(wanted_refs, refname_nons, oiddup(&oid))) {
			packet_writer_error(writer, "duplicate want-ref %s",
					    refname_nons);
			die("duplicate want-ref %s", refname_nons);
		}

		if (!starts_with(refname_nons, "refs/tags/")) {
			struct commit *commit = lookup_commit_in_graph(the_repository, &oid);
			if (commit)
				o = &commit->object;
		}

		if (!o)
			o = parse_object_or_die(the_repository, &oid, refname_nons);

		if (!(o->flags & WANTED)) {
			o->flags |= WANTED;
			add_object_array(o, NULL, want_obj);
		}

		return 1;
	}

	return 0;
}

static int parse_have(const char *line, struct upload_pack_data *data)
{