#!/bin/sh

# lh_binary_net(1) - build netboot binary image
# Copyright (C) 2006-2008 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.

set -e

# Including common functions
LH_BASE="${LH_BASE:-/usr/share/live-helper}"

for FUNCTION in "${LH_BASE}"/functions/*.sh
do
	. "${FUNCTION}"
done

# Setting static variables
DESCRIPTION="build netboot binary image"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffile config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

if ! echo "${LH_BINARY_IMAGES}" | grep -qs net
then
	exit 0
fi

if [ "${LH_NET_TARBALL}" = "none" ]
then
	exit 0
fi

Echo_message "Begin building binary netboot image..."

# Requiring stage file
Require_stagefile .stage/bootstrap

# Checking stage file
Check_stagefile .stage/binary_net

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Remove old binary
rm -f binary-net.tar.bz2
rm -f binary-net.tar.gz
rm -f binary-net.tar

# Creating image file
ROOT_DIR=$(basename ${LH_NET_ROOT_PATH})
if [ "${ROOT_DIR}" = "chroot" ]
then
	mv chroot chroot.tmp
fi

if [ "${ROOT_DIR}" != "binary" ]
then
	mv binary ${ROOT_DIR}
fi

cd ..

case "${LH_NET_TARBALL}" in
	bzip2)
		tar cfj binary-net-tar.bz2 "$(basename ${OLDPWD})/${ROOT_DIR}" "$(basename ${OLDPWD})/tftpboot"
		mv binary-net.tar.bz2 "${OLDPWD}"
		;;

	gzip)
		tar cfz binary-net.tar.gz "$(basename ${OLDPWD})/${ROOT_DIR}" "$(basename ${OLDPWD})/tftpboot"
		mv binary-net.tar.gz "${OLDPWD}"
		;;

	tar)
		tar cf binary-net.tar "$(basename ${OLDPWD})/${ROOT_DIR}" "$(basename ${OLDPWD})/tftpboot"
		mv binary-net.tar "${OLDPWD}"
		;;
esac

cd "${OLDPWD}"

if [ "${ROOT_DIR}" != "binary" ]
then
	mv ${ROOT_DIR} binary
fi

if [ "${ROOT_DIR}" = "chroot" ]
then
	mv chroot.tmp chroot
fi

# Creating stage file
Create_stagefile .stage/binary_net