#!/bin/sh
#
# Copyright (C) 2009 Novell Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street,
# Fifth Floor,
# Boston, MA  02110-1301,
# USA.
#
# unpackInitrd 0.1
# uwe.gansert@suse.de
#
# usage: unpackInitrd [PATH_TO_ROOTIMAGE]



INITRD=$1 || "./initrd"

if [ ! -s $INITRD ]; then
    echo "can't find $INITRD"
    exit -1
fi

cp -a $INITRD /tmp/initrd.gz
gzip -dc /tmp/initrd.gz >/tmp/initrd.img
mkdir /tmp/work-initrd
cd /tmp/work-initrd
cpio -i < /tmp/initrd.img
echo "# initrd is in /tmp/work-initrd"
echo "cd /tmp/work-initrd"