+static int refs_pushed(struct ref *ref)
+{
+ for (; ref; ref = ref->next) {
+ switch(ref->status) {
+ case REF_STATUS_NONE:
+ case REF_STATUS_UPTODATE:
+ break;
+ default:
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
+{
+ struct refspec rs;
+
+ if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
+ return;
+
+ rs.src = ref->name;
+ rs.dst = NULL;
+
+ if (!remote_find_tracking(remote, &rs)) {
+ if (verbose)
+ fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
+ if (ref->deletion) {
+ delete_ref(rs.dst, NULL, 0);
+ } else
+ update_ref("update by push", rs.dst,
+ ref->new_sha1, NULL, 0, 0);
+ free(rs.dst);
+ }
+}
+
+#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
+
+static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg)
+{
+ fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
+ if (from)
+ fprintf(stderr, "%s -> %s", prettify_ref(from), prettify_ref(to));
+ else
+ fputs(prettify_ref(to), stderr);
+ if (msg) {
+ fputs(" (", stderr);
+ fputs(msg, stderr);
+ fputc(')', stderr);
+ }
+ fputc('\n', stderr);
+}
+
+static const char *status_abbrev(unsigned char sha1[20])
+{
+ return find_unique_abbrev(sha1, DEFAULT_ABBREV);
+}
+
+static void print_ok_ref_status(struct ref *ref)
+{
+ if (ref->deletion)
+ print_ref_status('-', "[deleted]", ref, NULL, NULL);
+ else if (is_null_sha1(ref->old_sha1))
+ print_ref_status('*',
+ (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+ "[new branch]"),
+ ref, ref->peer_ref, NULL);
+ else {
+ char quickref[84];
+ char type;
+ const char *msg;
+
+ strcpy(quickref, status_abbrev(ref->old_sha1));
+ if (ref->nonfastforward) {
+ strcat(quickref, "...");
+ type = '+';
+ msg = "forced update";
+ } else {
+ strcat(quickref, "..");
+ type = ' ';
+ msg = NULL;
+ }
+ strcat(quickref, status_abbrev(ref->new_sha1));
+
+ print_ref_status(type, quickref, ref, ref->peer_ref, msg);
+ }
+}
+
+static int print_one_push_status(struct ref *ref, const char *dest, int count)
+{
+ if (!count)
+ fprintf(stderr, "To %s\n", dest);
+
+ switch(ref->status) {
+ case REF_STATUS_NONE:
+ print_ref_status('X', "[no match]", ref, NULL, NULL);
+ break;
+ case REF_STATUS_REJECT_NODELETE:
+ print_ref_status('!', "[rejected]", ref, NULL,
+ "remote does not support deleting refs");
+ break;
+ case REF_STATUS_UPTODATE:
+ print_ref_status('=', "[up to date]", ref,
+ ref->peer_ref, NULL);
+ break;
+ case REF_STATUS_REJECT_NONFASTFORWARD:
+ print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+ "non-fast forward");
+ break;
+ case REF_STATUS_REMOTE_REJECT:
+ print_ref_status('!', "[remote rejected]", ref,
+ ref->deletion ? NULL : ref->peer_ref,
+ ref->remote_status);
+ break;
+ case REF_STATUS_EXPECTING_REPORT:
+ print_ref_status('!', "[remote failure]", ref,
+ ref->deletion ? NULL : ref->peer_ref,
+ "remote failed to report status");
+ break;
+ case REF_STATUS_OK:
+ print_ok_ref_status(ref);
+ break;
+ }
+
+ return 1;
+}
+
+static void print_push_status(const char *dest, struct ref *refs, int verbose)
+{
+ struct ref *ref;
+ int n = 0;
+
+ if (verbose) {
+ for (ref = refs; ref; ref = ref->next)
+ if (ref->status == REF_STATUS_UPTODATE)
+ n += print_one_push_status(ref, dest, n);
+ }
+
+ for (ref = refs; ref; ref = ref->next)
+ if (ref->status == REF_STATUS_OK)
+ n += print_one_push_status(ref, dest, n);
+
+ for (ref = refs; ref; ref = ref->next) {
+ if (ref->status != REF_STATUS_NONE &&
+ ref->status != REF_STATUS_UPTODATE &&
+ ref->status != REF_STATUS_OK)
+ n += print_one_push_status(ref, dest, n);
+ }
+}
+
+static void verify_remote_names(int nr_heads, const char **heads)
+{
+ int i;
+
+ for (i = 0; i < nr_heads; i++) {
+ const char *local = heads[i];
+ const char *remote = strrchr(heads[i], ':');
+
+ if (*local == '+')
+ local++;
+
+ /* A matching refspec is okay. */
+ if (remote == local && remote[1] == '\0')
+ continue;
+
+ remote = remote ? (remote + 1) : local;
+ switch (check_ref_format(remote)) {
+ case 0: /* ok */
+ case CHECK_REF_FORMAT_ONELEVEL:
+ /* ok but a single level -- that is fine for
+ * a match pattern.
+ */
+ case CHECK_REF_FORMAT_WILDCARD:
+ /* ok but ends with a pattern-match character */
+ continue;
+ }
+ die("remote part of refspec is not a valid name in %s",
+ heads[i]);
+ }
+}
+
+static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)