+ if (r1->object->type != OBJ_COMMIT)
+ r1date = r1->tag->tagger_date;
+ else
+ r1date = r1->commit->committer_date;
+
+ if (r2->object->type != OBJ_COMMIT)
+ r2date = r2->tag->tagger_date;
+ else
+ r2date = r2->commit->committer_date;
+
+ return cmp_age(r1date, r2date);