fix update-grub2

build/lib/scripts/grub-probe-eos

@@ -3,30 +3,10 @@
 ARGS=
 
 for ARG in $@; do
- if [ "${ARG%%[!/]*}" = "/" ]; then
-
-  OPTIONS=
-
-  path="$ARG"
-  while true; do
-   if FSTYPE=$( findmnt -n -o FSTYPE "$path" ); then
-    if [ "$FSTYPE" = "overlay" ]; then
-  OPTIONS=$(findmnt -n -o OPTIONS "$path")
-  break
- else
-  break
-    fi
-   fi
-   if [ "$path" = "/" ]; then break; fi
-   path=$(dirname "$path")
-  done
-
-  if LOWERDIR=$(echo "$OPTIONS" | grep -m 1 -oP 'lowerdir=\K[^,]+'); then
-   #echo "[DEBUG] Overlay filesystem detected ${ARG} --> ${LOWERDIR}${ARG%*/}" 1>&2
-   ARG=/media/embassy/embassyfs"${ARG%*/}"
+  if [ -d "/media/embassy/embassyfs" ] && [ "$ARG" = "/" ]; then
+   ARG=/media/embassy/embassyfs
   fi
- fi
- ARGS="$ARGS $ARG"
+  ARGS="$ARGS $ARG"
 done
 
 grub-probe-default $ARGS