improve updater

updater

@@ -158,6 +158,8 @@ button=$? #get exit code to determine which button was pressed
 echo "Button: ${button}"
 [ ! "$button" -eq 0 ] && error 'User cancelled' #exit now if anything but Update was clicked
 
+PREIFS="$IFS"
+IFS="|"
 for i in $mainupdate
 do
   mkdir -p "$(dirname "${DIRECTORY}/${i}")"
@@ -167,11 +169,11 @@ do
   
   echo -e "\e[92m${i} was updated successfully.\e[39m"
 done
-
+IFS="$PREIFS"
+if [ ! -z "$updatable" ];then
   x-terminal-emulator --title='Updating apps...' -e '
     bash -c '\''
       DIRECTORY="'"$DIRECTORY"'"
-    mainupdate="'"$mainupdate"'"
       updatable="'"$updatable"'"
       trap "sleep 10" EXIT
       PREIFS="$IFS"
@@ -185,7 +187,7 @@ x-terminal-emulator --title='Updating apps...' -e '
       echo -e "\e[92mAll updates complete. Closing in 10 seconds.\e[39m"
     '\''
   '
-
+fi
 #.git folder
 #move old .git folder to trash
 gio trash "${DIRECTORY}/.git" 2>/dev/null
@@ -197,7 +199,8 @@ do
   sleep 0.1
 done
 
-yad --text="Please close all instances of Pi-Apps to apply the update." \
+yad --text="Updates complete.
+Please close all instances of Pi-Apps to apply the update." \
   --text-align=center --center --title='Pi-Apps update complete' --window-icon="${DIRECTORY}/icons/logo.png" \
   --button=OK!"${DIRECTORY}/icons/check.png":0
 exit 0