#!/bin/sh

. $TOPDIR/scripts/functions.sh

board=""
kernel=""
rootfs=""
outfile=""
err=""

while [ "$1" ]; do
	case "$1" in
	"--board")
		board="$2"
		shift
		shift
		continue
		;;
	"--kernel")
		kernel="$2"
		shift
		shift
		continue
		;;
	"--rootfs")
		rootfs="$2"
		shift
		shift
		continue
		;;
	*)
		if [ ! "$outfile" ]; then
			outfile=$1
			shift
			continue
		fi
		;;
	esac
done

if [ ! -n "$board" -o ! -r "$kernel" -a  ! -r "$rootfs" -o ! "$outfile" ]; then
	echo "syntax: $0 [--board boardname] [--kernel kernelimage] [--rootfs rootfs] out"
	exit 1
fi

tmpdir="$( mktemp -d 2> /dev/null )"
if [ -z "$tmpdir" ]; then
	# try OSX signature
	tmpdir="$( mktemp -t 'ubitmp' -d )"
fi

if [ -z "$tmpdir" ]; then
	exit 1
fi

mkdir -p "${tmpdir}/sysupgrade-${board}"
echo "BOARD=${board}" > "${tmpdir}/sysupgrade-${board}/CONTROL"
if [ -n "${rootfs}" ]; then
	case "$( get_fs_type ${rootfs} )" in
	"squashfs")
		dd if="${rootfs}" of="${