#!/bin/sh
#
#  Configure the new image to be suitable for booting via pygrub
#
# Wejn
# --
# http://wejn.org/
#

prefix=$1


#
#  Source our common functions - this will let us install a Debian package.
#
if [ -e /usr/lib/xen-tools/common.sh ]; then
	. /usr/lib/xen-tools/common.sh
else
	echo "Installation problem"
fi


#
#  Update APT lists.
#
chroot ${prefix} /usr/bin/apt-get update


#
#  Install the packages
#
set -e
installDebianPackage ${prefix} perl
installDebianPackage ${prefix} libklibc
installDebianPackage ${prefix} klibc-utils
installDebianPackage ${prefix} initramfs-tools
installDebianPackage ${prefix} linux-image-2.6-xen-amd64

# Force initrd if none exists
echo ${prefix}/boot/initrd* | grep -q 2\\.6
if [ $? -ne 0 ]; then
	chroot ${prefix} update-initramfs -c -k `ls -1 ${prefix}/lib/modules/ | head -n 1`
fi

# Generate grub menu.lst
LNZ=`basename \`ls -1 ${prefix}/boot/vmlinuz*|tail -n 1\``
RD=`basename \`ls -1 ${prefix}/boot/initrd*|tail -n 1\``
mkdir -p ${prefix}/boot/grub
cat - <<-EOF > ${prefix}/boot/grub/menu.lst
default         0
timeout         5

title           Debian
root            (hd0,0)
kernel          /boot/$LNZ root=/dev/xvda2 ro 
initrd          /boot/$RD
EOF