+static int replace_name(struct commit_name *e,
+ int prio,
+ const unsigned char *sha1,
+ struct tag **tag)
+{
+ if (!e || e->prio < prio)
+ return 1;
+
+ if (e->prio == 2 && prio == 2) {
+ /* Multiple annotated tags point to the same commit.
+ * Select one to keep based upon their tagger date.
+ */
+ struct tag *t;
+
+ if (!e->tag) {
+ t = lookup_tag(e->sha1);
+ if (!t || parse_tag(t))
+ return 1;
+ e->tag = t;
+ }
+
+ t = lookup_tag(sha1);
+ if (!t || parse_tag(t))
+ return 0;
+ *tag = t;
+
+ if (e->tag->date < t->date)
+ return 1;
+ }
+
+ return 0;
+}
+