Merge branch 'tr/http-push-ref-status'

* tr/http-push-ref-status:
  transport-helper.c::push_refs(): emit "no refs" error message
  transport-helper.c::push_refs(): ignore helper-reported status if ref is not to be pushed
  transport.c::transport_push(): make ref status affect return value
  refactor ref status logic for pushing
  t5541-http-push.sh: add test for unmatched, non-fast-forwarded refs
  t5541-http-push.sh: add tests for non-fast-forward pushes

Conflicts:
	transport-helper.c

1 files changed, 20 insertions, 8 deletions

diff --git a/transport-helper.c b/transport-helper.c
index ca8fa92e6..fdf225622 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -528,24 +528,27 @@ static int push_refs(struct transport *transport,
 		return transport->push_refs(transport, remote_refs, flags);
 	}
 
-	if (!remote_refs)
+	if (!remote_refs) {
+		fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
+			"Perhaps you should specify a branch such as 'master'.\n");
 		return 0;
+	}
 
 	helper = get_helper(transport);
 	if (!data->push)
 		return 1;
 
 	for (ref = remote_refs; ref; ref = ref->next) {
-		if (ref->peer_ref)
-			hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
-		else if (!mirror)
+		if (!ref->peer_ref && !mirror)
 			continue;
 
-		ref->deletion = is_null_sha1(ref->new_sha1);
-		if (!ref->deletion &&
-			!hashcmp(ref->old_sha1, ref->new_sha1)) {
-			ref->status = REF_STATUS_UPTODATE;
+		/* Check for statuses set by set_ref_status_for_push() */
+		switch (ref->status) {
+		case REF_STATUS_REJECT_NONFASTFORWARD:
+		case REF_STATUS_UPTODATE:
 			continue;
+		default:
+			; /* do nothing */
 		}
 
 		if (force_all)
@@ -634,6 +637,15 @@ static int push_refs(struct transport *transport,
 			continue;
 		}
 
+		if (ref->status != REF_STATUS_NONE) {
+			/*
+			 * Earlier, the ref was marked not to be pushed, so ignore the ref
+			 * status reported by the remote helper if the latter is 'no match'.
+			 */
+			if (status == REF_STATUS_NONE)
+				continue;
+		}
+
 		ref->status = status;
 		ref->remote_status = msg;
 	}