#! /bin/sh

# mk-grub -- install grub onto a partition
#
# This script is part of FAI (Fully Automatic Installation)
# Copyright (C) 2007 Thomas Lange, lange@informatik.uni-koeln.de
# Universitaet zu Koeln
#
# call mk-grub as root
# mk-grub only shows the grub device which must be the USB stick
# to write onto the USB stick call: mk-grub doit

call_grub() {

  grub --batch <<EOM
find /.FAI-CD-VERSION
EOM
}

rootpartition=`call_grub 2>/dev/null | grep -A 1 'find /.FAI-CD-VERSION' | grep -v 'find /.FAI-CD-VERSION'`

usbdev=`echo $rootpartition | sed -e 's/,[[:digit:]]//'`
echo "Root partition is $rootpartition, device is: $usbdev"

[ "$1" = "doit" ] || exit 0
grub --batch << EOM
root $rootpartition
setup $usbdev
EOM