#!/bin/sh
################################################################################
# GAYE Abdoulaye Walsimou, <walsimou@walsimou.com>
# Copyright(C) 2009 GAYE Abdoulaye Walsimou. All rights reserved.
# For Copyrright from linux kernel's build/configure system, see their source
# code.
#
# This program is free software; you can distribute it and/or modify it
# under the terms of the GNU General Public License
# (Version 2 or later) published by the Free Software Foundation.
#
# This program is distributed in the hope 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.,
# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
################################################################################
#
# \file         mkinitramfs
# \brief	mkinitramfs of Embtoolkit
# \author       GAYE Abdoulaye Walsimou, <walsimou@walsimou.com>
# \date         August 2009
################################################################################

usage()
{
	echo "usage: mkinitramfs directory compression_mode imagename"
	echo "where:"
	echo "directory: directory containing files to include in the archive."
	echo "compression_mode: gzip or bzip2."
	echo "imagename: output file name prefix"
	echo ""
}

if [ $# -ne 3 ]
then
	echo "3 inputs arguments are required."
	usage
	exit 1
fi

if [ "$2" = "gzip" ]
then
	echo "creating $3.cpio.gz from $1"
	(cd "$1"; find . | cpio -o -H newc | gzip) > "$3.gz.cpio"
elif [ "$2" = "bzip2" ]
then
	echo "creating $3.cpio.bz2 from $1"
	(cd "$1"; find . | cpio -o -H newc | bzip2) > "$3.bz2.cpio"
else
	echo "Error while using mkinitramfs!!!"
	usage
	exit 1
fi