detect wrong options

scripts/template.sh

@@ -151,6 +151,7 @@ DESCRIPTION
 
 EOF
             exit;;
+        (-*|--*) error "unknow option $1, try $0 --help"; exit 1;;
         (*) error "unknow option $1, try $0 --help"; exit 1;;
     esac
     if test $# -eq 0; then