Update pihole.sh

Add pihole update functionality

ct/pihole.sh

@@ -55,11 +55,25 @@ function default_settings() {
 function update_script() {
 header_info
 if [[ ! -d /etc/pihole ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
+
+UPD=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "SUPPORT" --radiolist --cancel-button Exit-Script "Spacebar = Select" 10 59 2 \
+  "1" "Update LXC" ON \
+  "2" "Update PiHole" OFF \
+  3>&1 1>&2 2>&3)
+
+header_info
+if [ "$UPD" == "1" ]; then
 msg_info "Updating ${APP} LXC"
 apt-get update &>/dev/null
 apt-get -y upgrade &>/dev/null
-msg_ok "Updated Successfully"
+msg_ok "Updated ${APP} LXC"
+exit
+fi
+if [ "$UPD" == "2" ]; then
+set +e
+pihole -up
 exit
+fi
 }
 
 start