From a57315045176d50b56a1e3452e19a67682d3bd1a Mon Sep 17 00:00:00 2001
From: Dinko Korunic <kreator@carnet.hr>
Date: Tue, 26 May 2009 14:18:58 +0200
Subject: [PATCH] - novi set workaroundova za devfs-related problem: detekcija
 boot diska, pozivanje sa apsolutnom stazom, regeneriranje
 device mape u grub batch nacinu, itd.

---
 debian/postinst |   35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/debian/postinst b/debian/postinst
index 8c0cfe0..9fcb548 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -156,14 +156,39 @@ fi
 udevcontrol reload_rules >/dev/null 2>&1 || true
 echo -n " udev"
 
-# install grub loader
-if ! grub-install --no-floppy '(hd0)' >/dev/null 2>&1; then
+# update device map if possible
+device_map=/boot/grub/device.map
+if [ -f $device_map ]; then
+    mv -f $device_map $device_map.old
+fi
+grub --batch --no-floppy --device-map=$device_map <<EOF >/dev/null 2>&1
+quit
+EOF
+if [ ! -s $device_map ]; then
+    if [ -f $device_map.old ]; then
+        mv -f $device_map.old $device_map
+    fi
+else
+    rm -f $device_map.old
+fi
+echo -n " grub4"
+
+# install GRUB loader
+install_device=$(grep '^(hd0)' $device_map | \
+    sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%')
+if [ -z "$install_device" ]; then
     echo "."
-    echo "CN: FATAL ERROR running grub-install!"
+    echo "CN: FATAL ERROR while detecting boot disk!"
     echo "CN: Do not reboot your server and report this to OTRS immediately!"
     exit 1
 fi
-echo -n " grub4"
+if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then
+    echo "."
+    echo "CN: FATAL ERROR while running grub-install!"
+    echo "CN: Do not reboot your server and report this to OTRS immediately!"
+    exit 1
+fi
+echo -n " grub5"
 
 # fix possible wrong params in menu.lst
 cp_check_and_sed '^# groot=' \
@@ -173,7 +198,7 @@ cp_check_and_sed '^# kopt=' \
   "s;^# kopt=\(.*\)root=[^[:space:]]*\(.*\);# kopt=\1root=$root_device\2;g" \
       /boot/grub/menu.lst || true
 /usr/sbin/update-grub >/dev/null 2>&1 || true
-echo -n " grub5"
+echo -n " grub6"
 
 # restore execshield state
 if [ ! -z "$SHIELD" ]; then
-- 
1.7.10.4