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#!/bin/sh

# lh_binary_usb-hdd(1) - build binary usb-hdd image
# Copyright (C) 2006-2007 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 binary image"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

if ! echo "${LIVE_BINARY_IMAGES}" | grep -qs usb-hdd
then
	exit 0
fi

Echo_message "Begin building binary usb-hdd image..."

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

# Checking stage file
Check_stagefile .stage/binary_usb-hdd

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Checking depends
Check_package chroot/sbin/mkdosfs dosfstools
Check_package chroot/usr/sbin/mtools mtools
Check_package chroot/sbin/parted parted

case "${LIVE_BOOTLOADER}" in
	grub)
		Check_package chroot/usr/sbin/grub grub
		;;

	syslinux)
		Check_package chroot/usr/bin/syslinux syslinux
		;;
esac

# Installing depends
Install_package

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

# Everything which comes here needs to be cleaned up,
DU_DIM="`du -ms binary | cut -f1`"
REAL_DIM="`expr ${DU_DIM} + ${DU_DIM} / 50`" # Just 2% more to be sure, need something more sophistcated here...
dd if=/dev/zero of=binary.img bs=1024k count=${REAL_DIM}
FREELO="`${LH_LOSETUP} -f`"
if [ ! -b chroot/${FREELO} ]
then
	MAKEDEV="true"

	mv chroot/dev chroot/dev.tmp
	find /dev | cpio -dmpu chroot
fi

echo "!!! The following error/warning messages can be ignored !!!"
lh_losetup $FREELO binary.img 0
Chroot "parted -s ${FREELO} mklabel msdos" || true
Chroot "parted -s ${FREELO} mkpartfs primary fat16 0.0 100%" || true
Chroot "parted -s ${FREELO} set 1 boot on" || true
Chroot "parted -s ${FREELO} set 1 lba off" || true

case "${LIVE_BOOTLOADER}" in
	grub)
		#echo "(hd0) ${FREELO}" > binary/boot/grub/device.map
#grub --batch --no-floppy --device-map=binary/boot/grub/device.map << EOF
#setup --stage1=binary/boot/grub/stage1 --stage2=binary/boot/grub/stage2 --prefix=/boot/grub (hd0)
#
#quit
#EOF
		#rm -f binary/boot/grub/device.map

		#Chroot "grub-install --no-floppy --root-directory=/ (hd0)"
		;;

	syslinux)
		cat chroot/usr/lib/syslinux/mbr.bin > ${FREELO}
		;;
esac

${LH_LOSETUP} -d ${FREELO}

FREELO="`${LH_LOSETUP} -f`"
lh_losetup $FREELO binary.img 1
Chroot " mkfs.vfat -F 16 -n DEBIAN_LIVE ${FREELO}"
mkdir -p binary.tmp
${LH_ROOT_COMMAND} mount ${FREELO} binary.tmp
cp -r binary/* binary.tmp
${LH_ROOT_COMMAND} umount binary.tmp
rmdir binary.tmp

if [ "${LIVE_BOOTLOADER}" = "syslinux" ]
then
	Chroot "syslinux ${FREELO}"
fi

${LH_LOSETUP} -d ${FREELO}

#if [ "${LIVE_BOOTLOADER}" = "grub" ]
#then
#	FREELO="`${LH_LOSETUP} -f`"
#	lh_losetup $FREELO binary.img 0

#	dd if=binary/boot/grub/stage1 of=${FREELO} bs=512 count=1
#	dd if=binary/boot/grub/stage2 of=${FREELO} bs=512 seek=1

#	${LH_LOSETUP} -d ${FREELO}
#fi
echo "!!! The above error/warning messages can be ignored !!!"

if [ -n "${MAKEDEV}" ]
then
	rm -f chroot/dev
	mv chroot/dev.tmp chroot/dev
fi

# Removing depends
Remove_package

# Creating stage file
Create_stagefile .stage/binary_usb-hdd