#! /bin/sh
set -e

rm -rf config

if [ -z "$MIRROR" ]; then
	case $(hostname --fqdn) in
		bld-*.mmjgroup.com)	;;
		*.mmjgroup.com)
			case $ARCH in
				i386|amd64)	MIRROR=http://archive.mmjgroup.com/ubuntu/ ;;
				*)		MIRROR=http://archive.mmjgroup.com/ubuntu-ports/ ;;
			esac
			;;
		*.0c3.net)
			case $ARCH in
				i386|amd64)	MIRROR=http://mirrors.0c3.net/ubuntu/ ;;
				*)		MIRROR=http://mirrors.0c3.net/ubuntu-ports/ ;;
			esac
			;;
		*.ubuntu.com)		MIRROR=http://ftpmaster.internal/ubuntu/ ;;
		*.warthogs.hbd.com)	MIRROR=http://ftpmaster.internal/ubuntu/ ;;
		*.buildd)		MIRROR=http://ftpmaster.internal/ubuntu/ ;;
	esac
fi

mkdir -p config/task-lists config/package-lists

add_task ()
{
	local pass="$1"
	shift
	local task

	for task; do
		echo "$task" >> "config/task-lists/livecd-rootfs.chroot_$pass.list"
	done
}

add_package ()
{
	local pass="$1"
	shift
	local pkg

	for pkg; do
		echo "$pkg" >> "config/package-lists/livecd-rootfs.chroot_$pass.list"
	done
}

OPTS=
COMPONENTS=
BINARY_REMOVE_LINUX=:
SOURCE='--source false'
LIVE_TASK=

case $IMAGEFORMAT in
	ext2|ext3|ext4)
		OPTS="${OPTS:+$OPTS }--initramfs none --chroot-filesystem $IMAGEFORMAT"
		case $SUBPROJECT in
			wubi)
				add_package install lupin-support
				;;
			*)
				add_package live jasper
				;;
		esac
		;;

	*)
		add_package live lupin-casper
		;;
esac

case $PROJECT in
	ubuntu|ubuntu-dvd)
		add_task install minimal standard ubuntu-desktop
		LIVE_TASK='ubuntu-live'
		;;

	kubuntu|kubuntu-dvd)
		add_task install minimal standard kubuntu-desktop
		LIVE_TASK='kubuntu-live'
		;;

	kubuntu-mobile)
		add_task install minimal standard kubuntu-mobile
		LIVE_TASK='kubuntu-mobile-live'
		COMPONENTS='main restricted universe'
		;;

	edubuntu|edubuntu-dvd)
		add_task install minimal standard edubuntu-desktop-gnome
		LIVE_TASK='edubuntu-live'
		COMPONENTS='main restricted universe'
		;;

	xubuntu)
		add_task install minimal standard xubuntu-desktop
		add_package install xterm
		LIVE_TASK='xubuntu-live'
		COMPONENTS='main restricted universe multiverse'
		;;

	ubuntu-netbook)
		add_task install minimal standard ubuntu-netbook
		LIVE_TASK='netbook-live'
		;;

	mythbuntu)
		add_task install minimal standard mythbuntu-desktop
		LIVE_TASK='mythbuntu-live'
		COMPONENTS='main restricted universe multiverse'
		;;

	lubuntu)
		add_task install minimal standard lubuntu-desktop
		LIVE_TASK='lubuntu-live'
		COMPONENTS='main restricted universe multiverse'
		;;

	base)
		add_task install minimal standard
		;;

	ubuntu-server)
		add_task install minimal standard
		;;

	*)
		echo "unknown project $PROJECT" >&2
		exit 2
		;;
esac

case $SUBPROJECT in
	wubi)
		;;
	*)
		add_task live "$LIVE_TASK"
		;;
esac

case $PROJECT in
	*-dvd)
		add_task live "$PROJECT-live"
		;;
esac

case $ARCH in
	armel)
		KERNEL_FLAVOURS="$SUBARCH"
		case $SUBARCH in
			dove)
				BINARY_REMOVE_LINUX=false
				;;
			omap)
				add_package install x-loader-omap3-beagle u-boot-linaro-omap3-beagle
				BINARY_REMOVE_LINUX=false
				;;
			omap4)
				add_package install x-loader-omap4-panda u-boot-linaro-omap4-panda
				BINARY_REMOVE_LINUX=false
				;;
		esac
		;;
esac

lb config noauto \
	--mode ubuntu \
	--distribution "$SUITE" \
	--bootstrap-keyring ubuntu-keyring \
	--binary-images none \
	--memtest none \
	$SOURCE \
	--build-with-chroot false \
	${MIRROR:+--parent-mirror-bootstrap $MIRROR} \
	${COMPONENTS:+--parent-archive-areas "$COMPONENTS"} \
	--package-lists none \
	${KERNEL_FLAVOURS:+--linux-flavours "$KERNEL_FLAVOURS"} \
	--initsystem none \
	--bootloader none \
	--initramfs-compression lzma \
	$OPTS

if $BINARY_REMOVE_LINUX; then
	cat > config/binary_rootfs/excludes << EOF
boot/vmlinu?-*
boot/initrd.img-*
EOF
fi

ln -s /usr/share/live/build/examples/hooks/all_chroot_pyc-purge.sh config/chroot_local-hooks/

case $PROJECT in
	kubuntu|kubuntu-mobile)
		ln -s /usr/share/live/build/examples/hooks/kubuntu_chroot_icon-theme.sh config/chroot_local-hooks/
		;;
esac

case $SUBPROJECT in
	wubi)
		ln -s /usr/share/live/build/examples/hooks/ubuntu_binary_build-wubildr.sh config/binary_local-hooks/
		;;
esac

case $PROJECT in
	*-dvd)
		. config/bootstrap

		cat > config/archives/dvd.binary.list << EOF
deb $LB_PARENT_MIRROR_BINARY $SUITE universe multiverse
deb $LB_PARENT_MIRROR_BINARY_SECURITY $SUITE-security universe multiverse
deb $LB_PARENT_MIRROR_BINARY_VOLATILE $SUITE-updates universe multiverse
EOF
		;;
esac