attempt 3

kiosk.sh

@@ -202,7 +202,7 @@ dialog --title "WARNING !!!" --msgbox "Do not run this script under any user oth
       6 "Exit" \
       3>&1 1>&2 2>&3 3>&-)
 
-    case $CHOICE in
+    case $current_step in
       1) install_packages ;;
       2) configure_xinitrc ;;
       3) configure_start_sh ;;