#!/bin/sh

# lh_binary_syslinux(1) - installs syslinux

set -e

# Source common functions
for FUNCTION in /usr/share/live-helper/functions/*.sh
do
	. ${FUNCTION}
done

# Reading configuration files
Read_conffile config/common
Read_conffile config/bootstrap
Read_conffile config/image
Set_defaults

# Requiring stage file
Require_stagefile .stage/bootstrap

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Checking stage file
Check_stagefile .stage/binary_syslinux

if [ "${LIVE_ARCHITECTURE}" != "amd64" ] && [ "${LIVE_ARCHITECTURE}" != "i386" ]
then
	echo "W: skipping binary_syslinux, foreign architecture."
	exit 0
fi

if [ "${LIVE_SYSLINUX}" = "enabled" ]
then
	if [ ! -f chroot/usr/bin/syslinux ]
	then
		PACKAGES="${PACKAGES} syslinux"
	fi

	if [ -n "${PACKAGES}" ]
	then
		# Installing symlinks
		case "${LH_APT}" in
			apt|apt-get)
				Chroot "apt-get install --yes ${PACKAGES}"
				;;

			aptitude)
				Chroot "aptitude install --assume-yes ${PACKAGES}"
				;;
		esac
	fi

	if [ -n "${LIVE_ENCRYPTION}" ]
	then
		LIVE_BOOTAPPEND="${LIVE_BOOTAPPEND} encryption=${LIVE_ENCRYPTION}"
	fi

	case "${LIVE_BINARY_IMAGE}" in
		iso)
			# Copying syslinux
			mkdir -p binary/isolinux
			cp chroot/usr/lib/syslinux/isolinux.bin binary/isolinux
			cp -r "${LIVE_TEMPLATES}"/syslinux/* binary/isolinux

			# Copying splash screen
			if [ -n "${LIVE_SYSLINUX_SPLASH}" ]
			then
				cp "${LIVE_SYSLINUX_SPLASH}" binary/isolinux/splash.rle
			fi

			# Configure syslinux templates
			sed -i -e "s#LIVE_BOOTAPPEND#${LIVE_BOOTAPPEND}#" binary/isolinux/isolinux.cfg
			sed -i -e "s/LIVE_DATE/`date +%Y%m%d`/" binary/isolinux/f1.txt
			sed -i -e "s/LIVE_VERSION/${VERSION}/" binary/isolinux/f10.txt

			# Remove unused files
			rm -f binary/isolinux/pxelinux.cfg
			;;

		net)
			# Copying syslinux
			mkdir -p tftpboot
			cp chroot/usr/lib/syslinux/pxelinux.0 tftpboot

			# Install syslinux templates
			mkdir -p tftpboot/pxelinux.cfg
			cp -r "${LIVE_TEMPLATES}"/syslinux/* tftpboot/pxelinux.cfg
			mv tftpboot/pxelinux.cfg/pxelinux.cfg tftpboot/pxelinux.cfg/default
			sed -i -e 's#splash.rle#pxelinux.cfg/splash.rle#' tftpboot/pxelinux.cfg/isolinux.txt

			# Copying splash screen
			if [ -n "${LIVE_SYSLINUX_SPLASH}" ]
			then
				cp "${LIVE_SYSLINUX_SPLASH}" ftpboot/pxelinux.cfg/splash.rle
			fi

			# Configure syslinux templates
			sed -i -e "s/LIVE_SERVER_ADDRESS/${LIVE_SERVER_ADDRESS}/" -e "s#LIVE_SERVER_PATH#${LIVE_SERVER_PATH}#" -e "s#LIVE_BOOTAPPEND#${LIVE_BOOTAPPEND}#" tftpboot/pxelinux.cfg/default
			sed -i -e "s/LIVE_DATE/`date +%Y%m%d`/" tftpboot/pxelinux.cfg/f1.txt
			sed -i -e "s/LIVE_VERSION/${VERSION}/" tftpboot/pxelinux.cfg/f10.txt

			# Remove unused files
			rm -f tftpboot/pxelinux.cfg/isolinux.cfg
			;;

		usb|hdd)
			# Copying syslinux
			mkdir -p binary
			cp chroot/usr/lib/syslinux/isolinux.bin binary/syslinux.bin
			cp -r "${LIVE_TEMPLATES}"/syslinux/* binary
			mv binary/isolinux.cfg binary/syslinux.cfg
			mv binary/isolinux.txt binary/syslinux.txt
			sed -i -e "s/isolinux.txt/syslinux.txt/" binary/syslinux.cfg

			# Copying splash screen
			if [ -n "${LIVE_SYSLINUX_SPLASH}" ]
			then
				cp "${LIVE_SYSLINUX_SPLASH}" binary/splash.rle
			fi

			# Configure syslinux templates
			sed -i -e "s#LIVE_BOOTAPPEND#${LIVE_BOOTAPPEND}#" binary/syslinux.cfg
			sed -i -e "s/LIVE_DATE/`date +%Y%m%d`/" binary/f1.txt
			sed -i -e "s/LIVE_VERSION/${VERSION}/" binary/f10.txt

			# Remove unused files
			rm -f binary/pxelinux.cfg
			;;
	esac

	if [ -n "${PACKAGES}" ]
	then
		# Removing syslinux
		case "${LH_APT}" in
			apt|apt-get)
				Chroot "apt-get remove --purge --yes ${PACKAGES}"
				;;

			aptitude)
				Chroot "aptitude purge --assume-yes ${PACKAGES}"
				;;
		esac
	fi

	# Creating stage file
	Create_stagefile .stage/binary_syslinux
fi