>From 60bcbf59525d311ae1840db15d0fb10f7f1b9ad4 Mon Sep 17 00:00:00 2001
From: Georgi Georgiev <address@hidden>
Date: Fri, 18 Feb 2011 22:58:38 +0900
Subject: [PATCH 1/1] Use proper version sorting if "sort" supports it

This way 2.6.37-sfx1 will be sorted as older than 2.6.37.1-sfx1.
Currently it shows as newer.
---
 util/grub-mkconfig_lib.in |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/util/grub-mkconfig_lib.in b/util/grub-mkconfig_lib.in
index 901b575..605299c 100644
--- a/util/grub-mkconfig_lib.in
+++ b/util/grub-mkconfig_lib.in
@@ -165,6 +165,22 @@ grub_file_is_not_garbage ()
   return 0
 }
 
+sort_version()
+{
+  if [[ ${_sort_has_v:-undef} == "undef" ]]; then
+    if sort -V < /dev/null &>/dev/null; then
+      _sort_has_v=1
+    else
+      _sort_has_v=0
+    fi
+  fi
+  if [[ ${_sort_has_v} == 1 ]]; then
+    sort -V
+  else
+    sort -n
+  fi
+}
+
 version_test_numeric ()
 {
   local a="$1"
@@ -181,7 +197,7 @@ version_test_numeric ()
     a="$b"
     b="$c"
   fi
-  if (echo "$a" ; echo "$b") | sort -n | head -n 1 | grep -qx "$b" ; then
+  if (echo "$a" ; echo "$b") | sort_version | head -n 1 | grep -qx "$b" ; then
     return 0
   else
     return 1
-- 
1.7.3.4