#! /bin/sh
set -e

rm -rf config

#[ ! -e "/usr/share/isomaker/defaultsettings" ] || . "/usr/share/isomaker/defaultsettings"                                                                                                    
[ ! -e "auto/settings" ] || . auto/settings


echo "Building on $(hostname --fqdn)"

#Sanity checks
if [ -z $FLAVOUR ]; then
	echo "\n****************** ERROR ************************************************\n"
	echo "\tFLAVOUR enviroment variable is not defined. Please indicate this variable"
	echo "\n*************************************************************************\n"
	exit 0
fi

if [ -z $ARCH ]; then
	echo "\n****************** ERROR ************************************************\n"
	echo "\tARCH enviroment variable is not defined. Please indicate this variable"
	echo "\n*************************************************************************\n"
	exit 0
fi


SUITE=${SUITE:="xenial"}

MIRROR=${MIRROR:="http://lliurex.net/$SUITE"}

MIRRORDEFAULT=${MIRRORDEFAULT:="http://lliurex.net/$SUITE"}

BINARYFORMAT=${BINARYFORMAT:="iso-hybrid"}

ISO_VOLUME="LliureX ${FLAVOUR} $(date +%Y%m%d-%H:%M)"

SYSLINUX_THEME=${SYSLINUX_THEME:="ubuntu-xenial-lliurex"}

COMPONENTS="main restricted universe multiverse"

BINARY_REMOVE_LINUX=:

MEMTEST=none
SOURCE='--source false'
BOOTLOADER=none
BOOTAPPEND_LIVE=
LIVE_TASK=

CHROOT_HOOKS=
BINARY_HOOKS=

OPTS=

mkdir -p config/package-lists

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

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

add_chroot_hook ()
{
	CHROOT_HOOKS="${CHROOT_HOOKS:+$CHROOT_HOOKS }$1"
}

add_binary_hook ()
{
	BINARY_HOOKS="${BINARY_HOOKS:+$BINARY_HOOKS }$1"
}

case $IMAGEFORMAT in
	ext2|ext3|ext4)
		OPTS="${OPTS:+$OPTS }--initramfs none --chroot-filesystem $IMAGEFORMAT"
		PREINSTALLED=true
		case $SUBPROJECT in
			wubi)
				add_package install lupin-support
				COMPONENTS='main restricted universe multiverse'
				;;
			*)
				case $PROJECT in
					ubuntu-cpc)
						;;
					*)
						add_package live jasper
						;;
				esac
				;;
		esac
		;;

	plain)
		OPTS="${OPTS:+$OPTS }--initramfs none --chroot-filesystem $IMAGEFORMAT"
		PREINSTALLED=true
		;;

	*)
		case $PROJECT in
			ubuntu-server|ubuntu-touch|ubuntu-pd)
				;;
			*)
				add_package live lupin-casper
				;;
		esac
		;;
esac

case $BINARYFORMAT in
	iso*|usb*)
		BINARY_IMAGES="$BINARYFORMAT"
		MEMTEST=memtest86+
		BOOTLOADER=syslinux
		OPTS="${OPTS:+$OPTS }--zsync=false"
		;;
esac

add_package live lliurex-meta-live

case $ARCH in
	amd64)	add_package live linux-signed-generic ;;
esac
#		add_chroot_hook remove-gnome-icon-cache


add_chroot_hook update-apt-file-cache
add_chroot_hook update-apt-xapian-index
add_chroot_hook update-mlocate-database
add_chroot_hook remove-dbus-machine-id
add_chroot_hook remove-openssh-server-host-keys
add_chroot_hook remove-udev-persistent-rules
add_chroot_hook remove-python-py

lb config noauto \
    --architecture "$ARCH" \
	--mode ubuntu \
	--distribution "$SUITE" \
	--bootstrap-keyring ubuntu-keyring \
	--binary-images "$BINARY_IMAGES" \
	--memtest "$MEMTEST" \
	$SOURCE \
	--build-with-chroot false \
	${MIRROR:+--parent-mirror-bootstrap $MIRROR} \
	${MIRROR:+--parent-mirror-chroot-volatile $MIRROR} \
	${MIRROR:+--parent-mirror-chroot-security $MIRROR} \
	${MIRROR:+--parent-mirror-binary $MIRRORDEFAULT} \
	${MIRROR:+--parent-mirror-binary-security $MIRRORDEFAULT} \
	${MIRROR:+--parent-mirror-binary-volatile $MIRRORDEFAULT} \
	${MIRROR:+--mirror-bootstrap $MIRROR} \
	${MIRROR:+--mirror-chroot-volatile $MIRROR} \
	${MIRROR:+--mirror-chroot-security $MIRROR} \
	${MIRROR:+--mirror-binary $MIRRORDEFAULT} \
	${MIRROR:+--mirror-binary-security $MIRRORDEFAULT} \
	${MIRROR:+--mirror-binary-volatile $MIRRORDEFAULT} \
	${COMPONENTS:+--parent-archive-areas "$COMPONENTS"} \
	--apt-source-archives false \
	${KERNEL_FLAVOURS:+--linux-flavours "$KERNEL_FLAVOURS"} \
	${KERNEL_PACKAGES:+--linux-packages "$KERNEL_PACKAGES"} \
	--initsystem none \
	--bootloader "$BOOTLOADER" \
	--initramfs-compression lzma \
	--syslinux-theme $SYSLINUX_THEME\
	--iso-volume "$ISO_VOLUME" \
	--apt-secure false \
	--keyring-packages lliurex-keyring \
	${BOOTAPPEND_LIVE:+--bootappend-live "$BOOTAPPEND_LIVE"} \
	$OPTS \
	"$@"

case $ARCH in
        amd64) sed -i -e 's%^\(LB_BOOTSTRAP_INCLUDE=".*\)"$%\1 enableri386"%g' config/bootstrap ;;
esac

echo "LB_CHROOT_HOOKS=\"$CHROOT_HOOKS\"" >> config/chroot
echo "LB_BINARY_HOOKS=\"$BINARY_HOOKS\"" >> config/binary
echo "BUILDSTAMP=\"$NOW\"" >> config/binary


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

rsync -ax --ignore-existing  /usr/share/lliurex-maker/configuration/common/* config/ || true
rsync -ax --ignore-existing  /usr/share/lliurex-maker/configuration/$FLAVOUR/* config/ || true
rsync -ax --ignore-existing  /usr/share/lliurex-preseed/common/lliurex-all config/preseed/lliurex-all.preseed.chroot

echo 'MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -comp xz"' >> config/all
#cp config/final_apt/preferences.d/* config/includes.chroot/usr/share/lliurex-up/includes/etc/apt/preferences.d
if [ -e "config/extramirrors" ]; then
	find config/extramirrors -type f -exec cat {} >> config/archives/extra-ppas.list.chroot \;
fi

case $ARCH in
	    amd64)
			if [ -e auto/uefi ]; then
				cp -r auto/uefi/. config/includes.binary
			fi
		;;
esac