short_refname=${refname##refs/remotes/}
                        echo >&2 "*** Push-update of tracking branch, $refname"
                        echo >&2 "***  - no email generated."
-                       exit 0
+                       return 1
                        ;;
                *)
                        # Anything else (is there anything else?)
                        echo >&2 "*** Unknown type of update to $refname ($rev_type)"
                        echo >&2 "***  - no email generated"
-                       return 0
+                       return 1
                        ;;
        esac
 
                esac
                echo >&2 "*** $config_name is not set so no email will be sent"
                echo >&2 "*** for $refname update $oldrev->$newrev"
-               return 0
+               return 1
        fi
 
-       return 1
+       return 0
 }
 
 #