#!/bin/sh

COREVER=`cat /opt/pakfire/db/core/mine`
# FIXME: edit this lines before release
URL=http://download.ipfire.org/releases/ipfire-2.x/2.11-core$COREVER/
ISO=ipfire-2.11.i586-full-core$COREVER.iso

if [ -z "$1" ]; then 
	echo usage: $0 backup-file
	exit
fi

TS=$1

mkdir -p /var/tmp/backupiso
cd /var/tmp/backupiso

echo "Fetching ${URL}${ISO}"
wget --quiet -c ${URL}${ISO}
echo "Fetching ${URL}md5sums.txt"
wget --quiet -O ${ISO}.md5 ${URL}${ISO}.md5

echo "Checking md5 of ${ISO}"
md5sum --status -c ${ISO}.md5
RETVAR="$?"
if [ $RETVAR -eq 0 -o $RETVAR -eq 24 ]
       then
                echo "md5 is OK"
       else
                echo "md5 mismatch"
		echo "Fetching again ${URL}${ISO}"
		wget --quiet -O ${ISO} ${URL}${ISO}
fi

echo "Remastering iso"
mkdir -p backupiso.tmp.${TS}
mount -o loop ${ISO} backupiso.tmp.${TS}
cp -pr backupiso.tmp.${TS} backupiso.${TS}
umount backupiso.tmp.${TS}
rm -r backupiso.tmp.${TS}

echo "RESTORE_FILE=${TS}.ipf" >> backupiso.${TS}/boot/unattended.conf
cp /var/ipfire/backup/${TS}.ipf backupiso.${TS}

echo "Running mkisofs"
mkisofs -J -r -V "ipfire backup ${TS}" \
            -b boot/isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table \
            -c boot/isolinux/boot.catalog backupiso.${TS} > `basename ${ISO} .iso`-${TS}.iso

echo "Cleaning up"
rm -rf backupiso.${TS}
