Downloading changed images takes a lot of time, so let's ask the user before

roles/lmn_vm/files/vm-sync

@@ -79,9 +79,19 @@ delete_outdated_image() {
     cd "${VM_SYSDIR}"
     qcowsize=$(stat -c%s "${FILENAME}")
     if [[ -f "${FILENAME}.torrent" ]] && [[ "${qcowsize}" != $(get_image_size "${FILENAME}.torrent") ]]; then
+      cat << EOF >&2
+
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+Es wurde eine neueres VM-Image auf dem Server gefunden.
+Das Herunterladen des Images via WLAN benötigt viel Zeit.
+EOF
+      read -rp "Soll das neue Image wirklich herunter geladen werden? j/n " answer
+      if [[ "${answer,,}" ==  "j" ]]; then
         sudo vm-aria2 stop "${FILENAME%.qcow2}"
         rm -f "${FILENAME}"
       fi
+    fi
 }
 
 update_usage_information() {