bug fix

tools/common.sh

@@ -102,10 +102,11 @@ if [[ "$EUID" != "0" && -x $(command -v sudo) ]]; then
     SUDO='sudo'
 fi
 
-# arg parse
-ARG=""
-ARG_PARSED=()
-while [[ $# > 0 || -n "$ARG" ]]; do
+parse_arg()
+{
+    local ORIGIN_ARG ARG=""
+    ARG_PARSED=()
+    while [[ $# > 0 || -n "$ARG" ]]; do
         if [[ -z "$ARG" ]]; then ARG=$1 ORIGIN_ARG=$1; shift; fi
         case $ARG in
             -q*|--quite ) export DFS_QUIET=1 ;;
@@ -118,9 +119,8 @@ while [[ $# > 0 || -n "$ARG" ]]; do
         else
             ARG=-${ARG:2}
         fi
-done
-unset ARG ORIGIN_ARG
-
+    done
+}
 
 ask_for_yN()
 {
@@ -190,4 +190,5 @@ if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
     $1 "${@:2}"
 else
     setup_color
+    parse_arg "$@"
 fi