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xen-tools.xen-tools/hooks/common/82-install-grub-legacy

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#!/bin/sh
#
# Ensure that either modules-init-tools or kmod is setup.
#
# This is most likely required if you're using a custom kernel
# for your Xen system. But even if it isn't required it can't
# really do anything bad; just waste a bit of space.
prefix=$1
#
# Source our common functions
#
if [ -e /usr/share/xen-tools/common.sh ]; then
. /usr/share/xen-tools/common.sh
else
. ./hooks/common.sh
fi
#
# Log our start
#
logMessage Script $0 starting
if [ ${pygrub} ]; then
#
# Install the grub 0.9x package ("grub-legacy" on Debian, "grub" on Ubuntu)
#
if chroot ${prefix} /usr/bin/apt-cache show grub-legacy 2>/dev/null | egrep -qi 'GRand Unified Bootloader.*Legacy'; then
installDebianPackage ${prefix} grub-legacy
else
installDebianPackage ${prefix} grub
fi
if [ ! -e ${prefix}/boot/grub/default ]; then
echo default > ${prefix}/boot/grub/default
fi
chroot ${prefix} /usr/sbin/update-grub
else
logMessage "pygrub not set, skipping grub-legacy installation"
fi # if pygrub
#
# Log our finish
#
logMessage Script $0 finished