bug fix

tools/common.sh

@@ -102,8 +102,9 @@ if [[ "$EUID" != "0" && -x $(command -v sudo) ]]; then
     SUDO='sudo'
 fi
 
-# arg parse
-ARG=""
+parse_arg()
+{
+    local ORIGIN_ARG ARG=""
     ARG_PARSED=()
     while [[ $# > 0 || -n "$ARG" ]]; do
         if [[ -z "$ARG" ]]; then ARG=$1 ORIGIN_ARG=$1; shift; fi
@@ -119,8 +120,7 @@ while [[ $# > 0 || -n "$ARG" ]]; do
             ARG=-${ARG:2}
         fi
     done
-unset ARG ORIGIN_ARG
-
+}
 
 ask_for_yN()
 {
@@ -190,4 +190,5 @@ if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
     $1 "${@:2}"
 else
     setup_color
+    parse_arg "$@"
 fi