const char *tag_type = "tag";
+struct object *deref_tag(struct object *o, const char *warn, int warnlen)
+{
+ while (o && o->type == tag_type)
+ o = parse_object(((struct tag *)o)->tagged->sha1);
+ if (!o && warn) {
+ if (!warnlen)
+ warnlen = strlen(warn);
+ error("missing object referenced by '%.*s'", warnlen, warn);
+ }
+ return o;
+}
+
struct tag *lookup_tag(const unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);