Error on unknown options

wpull2-requeue

@@ -48,6 +48,12 @@ then
 	shift
 fi
 
+if [[ "$1" == --* ]]
+then
+	echo "Error: Unknown option $1" >&2
+	exit 1
+fi
+
 if [[ "${where}" ]]
 then
 	where="$1"