File grub2-use-rpmsort-for-version-sorting.patch of Package grub2

v2:
Fix wrong sorting order if version contains "-" delimiter 

Index: grub-2.06/util/grub-mkconfig_lib.in
===================================================================
--- grub-2.06.orig/util/grub-mkconfig_lib.in
+++ grub-2.06/util/grub-mkconfig_lib.in
@@ -220,9 +220,9 @@ version_sort ()
 
 version_test_numeric ()
 {
-  version_test_numeric_a="$1"
+  version_test_numeric_a="`echo "$1" | sed -e 's/-\([^0-9]*\)$/\.\1/' -e 's/-/~/g' -e 's/~\([^~]*\)$/-\1/'`"
   version_test_numeric_cmp="$2"
-  version_test_numeric_b="$3"
+  version_test_numeric_b="`echo "$3" | sed -e 's/-\([^0-9]*\)$/\.\1/' -e 's/-/~/g' -e 's/~\([^~]*\)$/-\1/'`"
   if [ "$version_test_numeric_a" = "$version_test_numeric_b" ] ; then
     case "$version_test_numeric_cmp" in
       ge|eq|le) return 0 ;;
@@ -234,7 +234,7 @@ version_test_numeric ()
     version_test_numeric_a="$version_test_numeric_b"
     version_test_numeric_b="$version_test_numeric_c"
   fi
-  if (echo "$version_test_numeric_a" ; echo "$version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$version_test_numeric_b" ; then
+  if [ "`printf '%s\n' "$version_test_numeric_a" "$version_test_numeric_b" | /usr/lib/rpm/rpmsort -r | head -n1`" = "$version_test_numeric_a" ] ; then
     return 0
   else
     return 1