+ }
+ }
+ unmark_and_free(list, 1);
+ unmark_and_free(used, 1);
+ return found;
+}
+
+static struct ref *local_refs, **local_tail;
+static struct ref *remote_refs, **remote_tail;
+
+static int one_local_ref(const char *refname, const unsigned char *sha1)
+{
+ struct ref *ref;
+ int len = strlen(refname) + 1;
+ ref = xcalloc(1, sizeof(*ref) + len);
+ memcpy(ref->new_sha1, sha1, 20);
+ memcpy(ref->name, refname, len);
+ *local_tail = ref;
+ local_tail = &ref->next;
+ return 0;
+}
+
+static void get_local_heads(void)
+{
+ local_tail = &local_refs;
+ for_each_ref(one_local_ref);
+}
+
+static int send_pack(int in, int out, int nr_refspec, char **refspec)
+{
+ struct ref *ref;
+ int new_refs;
+
+ /* No funny business with the matcher */
+ remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, 1);
+ get_local_heads();
+
+ /* match them up */
+ if (!remote_tail)
+ remote_tail = &remote_refs;
+ if (match_refs(local_refs, remote_refs, &remote_tail,
+ nr_refspec, refspec, send_all))
+ return -1;
+
+ if (!remote_refs) {
+ fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
+ return 0;
+ }