=== modified file 'util/grub-mkconfig.in'
--- old/util/grub-mkconfig.in	2011-07-07 21:52:58 +0000
+++ new/util/grub-mkconfig.in	2011-07-09 21:08:25 +0000
@@ -257,7 +257,8 @@
   GRUB_INIT_TUNE \
   GRUB_SAVEDEFAULT \
   GRUB_ENABLE_CRYPTODISK \
-  GRUB_BADRAM
+  GRUB_BADRAM \
+  GRUB_SKIP_PARTITIONS
 
 if test "x${grub_cfg}" != "x"; then
   rm -f ${grub_cfg}.new

=== modified file 'util/grub.d/30_os-prober.in'
--- old/util/grub.d/30_os-prober.in	2011-07-02 19:22:19 +0000
+++ new/util/grub.d/30_os-prober.in	2011-07-11 20:13:04 +0000
@@ -94,6 +94,12 @@
   LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
   LABEL="`echo ${OS} | cut -d ':' -f 3 | tr '^' ' '`"
   BOOT="`echo ${OS} | cut -d ':' -f 4`"
+  UUID="`grub-probe --target=fs_uuid --device ${DEVICE}`"
+
+  if [ "x${GRUB_SKIP_PARTITIONS}" != "x" -a "x`echo ${GRUB_SKIP_PARTITIONS} | grep -i -e '\b'${UUID}'\b'`" != "x" ] ; then
+    echo "Skipped ${LONGNAME} on ${DEVICE} by user request." >&2
+    continue
+  fi
 
   if [ -z "${LONGNAME}" ] ; then
     LONGNAME="${LABEL}"