git-annex: hide PR message for pushes

This hides the message with a link to open a new PR that you normally
get when pushing to a new branch if you push to a newly created
git-annex or synced/ branch.

Author: matrss

cmd/hook.go

@@ -446,7 +446,7 @@ Gitea or set your environment appropriately.`, "")
 
 func hookPrintResults(results []private.HookPostReceiveBranchResult) {
 	for _, res := range results {
-		if !res.Message {
+		if !res.Message || res.Branch == "git-annex" || strings.HasPrefix(res.Branch, "synced/") {
 			continue
 		}