commit e744fe45dc0f349156d92b37349619cfbaec8f2f
Author: Keshav P R <address@hidden>
Date:   Tue Nov 22 14:39:54 2011 +0530

    grub-mkconfig: Use outside GRUB_PREFIX if defined

diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index e317279..a229811 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -40,7 +40,9 @@ grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed "${transform}"`
 grub_probe=${sbindir}/`echo grub-probe | sed "${transform}"`
 grub_script_check="${bindir}/`echo grub-script-check | sed "${transform}"`"
 
-GRUB_PREFIX=`echo '/@bootdirname@/@grubdirname@' | sed "s,//*,/,g"`
+if test -z "${GRUB_PREFIX}"; then
+    GRUB_PREFIX=`echo '/@bootdirname@/@grubdirname@' | sed "s,//*,/,g"`
+fi
 
 # Usage: usage
 # Print the usage.