#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 Daniel Baumann <daniel@debian.org>
##
## live-build 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
. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'build zsync control files')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

if [ "${LB_ZSYNC}" != "true" ]
then
	exit 0
fi

Echo_message "Begin building zsync control files..."

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

# Checking stage file
Check_stagefile .build/binary_zsync

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Checking depends
Check_package chroot/usr/bin/zsyncmake zsync

# Restoring cache
Restore_cache cache/packages.binary

# Installing depends
Install_package

case "${LB_BINARY_IMAGES}" in
	iso)
		_IMAGES="binary.iso"
		;;

	iso-hybrid)
		_IMAGES="binary.hybrid.iso"
		;;

	hdd)
		_IMAGES="binary.img"
		;;

	net)
		_IMAGES="binary.netboot.tar*"
		;;

	tar)
		_IMAGES="binary.tar*"
		;;
esac

for _IMAGE in ${_IMAGES}
do
	if [ -e "${_IMAGE}" ]
	then
		case "${LB_BUILD_WITH_CHROOT}" in
			true)
				mv ${_IMAGE} chroot
				Chroot chroot "zsyncmake -C -b 2048 -u ${_IMAGE} ${_IMAGE}"
				mv chroot/${_IMAGE} chroot/${_IMAGE}.zsync ./
				;;

			false)
				zsyncmake -C -b 2048 -u "${_IMAGE}" "${_IMAGE}"
				;;
		esac

		case "${LB_COMPRESSION}" in
			bzip2)
				bzip2 ${BZIP2_OPTIONS} ${_IMAGE}.zsync
				;;

			gzip)
				gzip ${GZIP_OPTIONS} ${_IMAGE}.zsync
				;;

			lzip)
				lzip ${LZIP_OPTIONS} ${_IMAGE}.zsync
				;;

			xz)
				xz ${XZ_OPTIONS} ${_IMAGE}.zsync
				;;

			none)
				;;
		esac
	fi
done

#CHECKSUMS

# Saving cache
Save_cache cache/packages.binary

# Removing depends
Remove_package

# Creating stage file
Create_stagefile .build/binary_zsync