updater: several improvements and fixes.

print log errors to "ipfire:" so it will showed at webif.
check free space on root.
initiate pae kernel installation if pae is supported.

config/rootfiles/core/65/update.sh

@@ -35,7 +35,9 @@ function add_to_backup ()
 
 #
 # Remove old core updates from pakfire cache to save space...
-core=65
+#
+# TODO: need to be corrected before release
+core=64
 for (( i=1; i<=$core; i++ ))
 do
 	rm -f /var/cache/pakfire/core-upgrade-*-$i.ipfire
@@ -44,8 +46,8 @@ done
 #
 # Do some sanity checks.
 if [ ! "$(mount | grep " reiser4 (")" == "" ]; then
-	/usr/bin/logger -p syslog.emerg -t core-upgrade-$core \
+	/usr/bin/logger -p syslog.emerg -t ipfire \
-		"ERROR: cannot update because there is a reiser4 fs mounted."
+		"core-update-$core: ERROR cannot update because there is a reiser4 fs mounted."
 	exit 1
 fi
 
@@ -81,12 +83,22 @@ add_to_backup lib/libncurses*
 add_to_backup etc/dircolors
 add_to_backup etc/profile.d
 add_to_backup usr/share/terminfo
-
+add_to_backup etc/sysconfig/lm_sensors
+add_to_backup etc/sysconfig/rc.local
 
 # Backup the files
 tar cJvf /var/ipfire/backup/core-upgrade_$KVER.tar.xz \
     -C / -T /opt/pakfire/tmp/ROOTFILES --exclude='#*' --exclude='/var/cache' > /dev/null 2>&1
 
+# Check diskspace on root
+ROOTSPACE=`df / -Pk | sed "s| * | |g" | cut -d" " -f4 | tail -n 1`
+
+if [ $ROOTSPACE -lt 70000 ]; then
+	/usr/bin/logger -p syslog.emerg -t ipfire \
+		"core-update-$core: ERROR cannot update because not enough free space on root."
+	exit 2
+fi
+
 echo
 echo Update Kernel to $KVER ...
 #
@@ -196,6 +208,11 @@ grub-install --no-floppy ${ROOT::`expr length $ROOT`-1} --recheck
 #
 rm -rf /etc/sysconfig/lm_sensors
 
+#
+# Remove powerbutton loop from rc local.
+#
+sed -i "/# power button shutdown/,+3d" /etc/sysconfig/rc.local
+
 #
 #Update Language cache
 perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
@@ -206,6 +223,21 @@ perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
 rm -rf /opt/pakfire/db/*/meta-fontconfig
 rm -rf /opt/pakfire/db/*/meta-glib
 
+# Force (re)install pae kernel if pae is supported
+rm -rf /opt/pakfire/db/*/meta-linux-pae
+if [ ! "$(grep "^flags.* pae " /proc/cpuinfo)" == "" ]; then
+	echo "Name: linux-pae" > /opt/pakfire/db/installed/meta-linux-pae
+	echo "ProgVersion: 0" >> /opt/pakfire/db/installed/meta-linux-pae
+	echo "Release: 0"     >> /opt/pakfire/db/installed/meta-linux-pae
+fi
+
+# Force reinstall xen kernel if it was installed
+if [ -e "/opt/pakfire/db/installed/meta-linux-xen" ]; then
+	echo "Name: linux-xen" > /opt/pakfire/db/installed/meta-linux-xen
+	echo "ProgVersion: 0" >> /opt/pakfire/db/installed/meta-linux-xen
+	echo "Release: 0"     >> /opt/pakfire/db/installed/meta-linux-xen
+fi
+
 #
 # After pakfire has ended run it again and update the lists and do upgrade
 #
@@ -220,9 +252,9 @@ echo '/opt/pakfire/pakfire update -y --force'             >> /tmp/pak_update
 echo '/opt/pakfire/pakfire upgrade -y'                    >> /tmp/pak_update
 echo '/opt/pakfire/pakfire upgrade -y'                    >> /tmp/pak_update
 echo '/opt/pakfire/pakfire upgrade -y'                    >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core "Upgrade finished. If you use a customized grub.cfg"' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t ipfire "Core-upgrade finished. If you use a customized grub.cfg"' >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core "Check it before reboot !!!"' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t ipfire "Check it before reboot !!!"' >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core " *** Please reboot... *** "' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t ipfire " *** Please reboot... *** "' >> /tmp/pak_update
 echo 'touch /var/run/need_reboot ' >> /tmp/pak_update
 #
 chmod +x /tmp/pak_update