Maintainer scripts: test for presence of grub.cfg, don't execute update-grub otherwise
[grml-rescueboot.git] / debian / postrm
index 6291c90..dc1ef1d 100644 (file)
@@ -5,8 +5,10 @@ set -e
 
 case "$1" in
     purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
 
 case "$1" in
     purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
-      echo "Updating grub.cfg to make sure there are no non-existing entries being left."
-      update-grub
+      if test -e /boot/grub/grub.cfg && which update-grub >/dev/null 2>&1; then
+        echo "Updating grub.cfg to make sure there are no non-existing entries being left."
+        update-grub
+      fi
     ;;
 
     *)
     ;;
 
     *)