Merge branch 'tm/completion-push-set-upstream'

* tm/completion-push-set-upstream:
  completion: push --set-upstream

contrib/completion/git-completion.bash

@@ -1730,7 +1730,7 @@ _git_push ()
 	--*)
 		__gitcomp "
 			--all --mirror --tags --dry-run --force --verbose
-			--receive-pack= --repo=
+			--receive-pack= --repo= --set-upstream
 		"
 		return
 		;;