#!/bin/sh

# lh_binary_iso(1) - build iso 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 iso binary image"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

if ! In_list iso "${LH_BINARY_IMAGES}"
then
	exit 0
fi

Echo_message "Begin building binary iso image..."

# Requiring stage file
Require_stagefile .stage/config .stage/bootstrap

# Checking stage file
Check_stagefile .stage/binary_iso

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Checking depends
Check_package chroot/usr/bin/genisoimage genisoimage

# Restoring cache
Restore_cache cache/packages_binary

# Installing depends
Install_package

# Remove old iso image
if [ -f binary.iso ]
then
	rm -f binary.iso
fi

# Handle genisoimage generic options
GENISOIMAGE_OPTIONS="-J -l -cache-inodes -allow-multidot"

# Handle genisoimage live-helper specific options
if [ "${_QUIET}" = "enabled" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -quiet"
fi

if [ "${LH_VERBOSE}" = "enabled" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -v"
fi

if [ -n "${LH_ISO_APPLICATION}" ] && [ "${LH_ISO_APPLICATION}" != "none" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -A \"${LH_ISO_APPLICATION}\""
fi

if [ -n "${LH_ISO_PREPARER}" ] && [ "${LH_ISO_PREPARER}" != "none" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -p \"${LH_ISO_PREPARER}\""
fi

if [ -n "${LH_ISO_PUBLISHER}" ] && [ "${LH_ISO_PUBLISHER}" != "none" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -publisher \"${LH_ISO_PUBLISHER}\""
fi

if [ -n "${LH_ISO_VOLUME}" ] && [ "${LH_ISO_VOLUME}" != "none" ]
then
	GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -V \"${LH_ISO_VOLUME}\""
fi

if In_list "stripped minimal" "${LH_PACKAGES_LISTS}"
then
	if [ "${LH_DEBIAN_INSTALLER}" != "live" ]
	then
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -m ${GENISOIMAGE_EXCLUDE}"
	fi
fi

# Handle genisoimage architecture specific options
case "${LH_BOOTLOADER}" in
	grub)
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -no-emul-boot -boot-load-size 4 -boot-info-table"
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -r -b boot/grub/stage2_eltorito"
		GENISOIMAGE_EXCLUDE="boot/grub/stage2_eltorito"
		;;

	silo)
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -r -G boot/isofs.b -B ..."
		GENISOIMAGE_EXCLUDE="boot/isofs.b"
		;;

	syslinux)
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -no-emul-boot -boot-load-size 4 -boot-info-table"
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -r -b isolinux/isolinux.bin -c isolinux/boot.cat"
		GENISOIMAGE_EXCLUDE="isolinux/isolinux.bin"
		;;

	yaboot)
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -r --iso-level 2 --netatalk -hfs -probe -map"
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} binary/yaboot/hfs.map --chrp-boot -part -no-desktop"
		GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -hfs-bless binary/yaboot -hfs-volid Debian/Live_powerpc"
		GENISOIMAGE_EXCLUDE="yaboot/hfs.map"
		;;

	*)
		Echo_warning "Bootloader on your architecture not yet supported by live-helper."
		Echo_warning "This will produce a most likely not bootable image (Continuing in 5 seconds)."
		sleep 5
		;;
esac

cat > binary.sh << EOF
genisoimage ${GENISOIMAGE_OPTIONS} -o binary.iso binary
EOF

case "${LH_CHROOT_BUILD}" in
	enabled)
		# Moving image
		mv binary.sh chroot
		mv binary chroot

		Chroot chroot "sh binary.sh"

		# Move image
		mv chroot/binary chroot/binary.iso ./
		rm -f chroot/binary.sh
		;;

	disabled)
		sh binary.sh
		rm -f binary.sh
		;;
esac

# Saving cache
Save_cache cache/packages_binary

# Removing depends
Remove_package

# Creating stage file
Create_stagefile .stage/binary_iso