#!/bin/sh

# lh_binary_debian-installer(1) - install debian-installer into binary
# 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

# Source common functions
for FUNCTION in /usr/share/live-helper/functions/*.sh
do
	. ${FUNCTION}
done

# Set static variables
DESCRIPTION="install debian-installer into binary"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

Echo_debug "Init ${PROGRAM}"

# 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 [ "${LIVE_DEBIAN_INSTALLER}" != "enabled" ]
then
	exit 0
fi

Breakpoint "binary_debian-installer: Init"

# Requiring stage file
Require_stagefile .stage/bootstrap

# Checking stage file
Check_stagefile .stage/binary_debian-installer

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Setting destination directory
case "${LIVE_BINARY_IMAGES}" in
	iso)
		DESTDIR="binary/install"
		DESTDIR_INSTALLER="cdrom"
		;;

	net)
		DESTDIR="tftpboot"
		DESTDIR_INSTALLER="netboot"

		Echo_error "Not supported yet (FIXME)"
		exit 1
		;;

	usb-hdd|hdd)
		DESTDIR="binary/install"
		DESTDIR_INSTALLER="hd-media"
		;;
esac

# Temporary check for broken syslinux
if [ "${LIVE_BINARY_IMAGES}" = "iso" ]
then
	# Assemble multi-arch
	if [ -n "${MULTIARCH}" ]
	then
		case "${LIVE_ARCHITECTURE}" in
			amd64)
				DESTDIR="${DESTDIR}.amd"
				;;

			i386)
				DESTDIR="${DESTDIR}.386"
				;;

			powerpc)
				DESTDIR="${DESTDIR}.ppc"
				;;
		esac
	fi
fi

# Downloading debian-installer
mkdir -p "${DESTDIR}"

wget --no-clobber -O "${DESTDIR}"/vmlinuz "${LIVE_MIRROR_BOOTSTRAP}"/dists/"${LIVE_DISTRIBUTION}"/main/installer-"${LIVE_ARCHITECTURE}"/current/images/"${DESTDIR_INSTALLER}"/vmlinuz
wget --no-clobber -O "${DESTDIR}"/initrd.gz "${LIVE_MIRROR_BOOTSTRAP}"/dists/"${LIVE_DISTRIBUTION}"/main/installer-"${LIVE_ARCHITECTURE}"/current/images/"${DESTDIR_INSTALLER}"/initrd.gz

# Downloading graphical-installer
if [ "${LIVE_ARCHITECTURE}" = "amd64" ] || [ "${LIVE_ARCHITECTURE}" = "i386" ] || [ "${LIVE_ARCHITECTURE}" = "powerpc" ]
then
	mkdir -p "${DESTDIR}"/gtk

	wget --no-clobber -O "${DESTDIR}"/gtk/vmlinuz "${LIVE_MIRROR_BOOTSTRAP}"/dists/"${LIVE_DISTRIBUTION}"/main/installer-"${LIVE_ARCHITECTURE}"/current/images/"${DESTDIR_INSTALLER}"/gtk/vmlinuz
	wget --no-clobber -O "${DESTDIR}"/gtk/initrd.gz "${LIVE_MIRROR_BOOTSTRAP}"/dists/"${LIVE_DISTRIBUTION}"/main/installer-"${LIVE_ARCHITECTURE}"/current/images/"${DESTDIR_INSTALLER}"/gtk/initrd.gz
fi

FIXME ()
{
# Downloading udebs
mkdir -p binary/dists/"${LIVE_DISTRIBUTION}"/main/debian-installer/binary-"${LIVE_ARCHITECTURE}"
cd binary/dists/"${LIVE_DISTRIBUTION}"/main/debian-installer/binary-"${LIVE_ARCHITECTURE}"
wget "${LIVE_MIRROR_BOOTSTRAP}"/dists/"${LIVE_DISTRIBUTION}"/main/debian-installer/binary-"${LIVE_ARCHITECTURE}"/Packages.gz
gunzip -c Packages.gz > Packages
cd "${OLDPWD}"

for DISTRIBUTION in frozen stable testing unstable
do
	ln -s ${LIVE_DISTRIBUTION} binary/dists/${DISTRIBUTION}
done

DEBS="`awk '/Filename: / { print $2 }' binary/dists/${LIVE_DISTRIBUTION}/main/debian-installer/binary-${LIVE_ARCHITECTURE}/Packages`"
UDEBS="`echo ${DEBS} | grep '.*.udeb'`"

rm -f packages.di

for UDEB in ${UDEBS}
do
	mkdir -p binary/`dirname ${UDEB}`
	cd binary/`dirname ${UDEB}`
	wget "${LIVE_MIRROR_BOOTSTRAP}"/${UDEB}
	cd "${OLDPWD}"
done

# Downloading debs
if [ -d cache/packages_bootstrap ]
then
	for FILE in cache/packages_bootstrap/*.deb
	do
		SOURCE="`dpkg -f ${FILE} Source`"

		if [ -z "${SOURCE}" ]
		then
			SOURCE="`basename ${FILE} | awk -F_ '{ print $1 }'`"
		fi

		case "${SOURCE}" in
			lib?*)
				LETTER="`echo ${SOURCE} | sed 's/\(....\).*/\1/'`"
				;;

			*)
				LETTER="`echo ${SOURCE} | sed 's/\(.\).*/\1/'`"
				;;
		esac

		# Install directory
		mkdir -p binary/pool/main/"${LETTER}"/"${SOURCE}"

		# Move files
		cp "${FILE}" binary/pool/main/"${LETTER}"/"${SOURCE}"
	done
fi

mkdir -p binary/dists/${LIVE_DISTRIBUTION}/main/binary-${LIVE_ARCHITECTURE}

cat > binary/dists/${LIVE_DISTRIBUTION}/main/binary-${LIVE_ARCHITECTURE}/Release << EOF
Archive: ${LIVE_DISTRIBUTION}
Component: main
Origin: Debian
Label: Debian
Architecture: ${LIVE_ARCHITECTURE}
EOF

mkdir -p cache/indices_debian-installer

cat > cache/indices_debian-installer/archive << EOF
Dir
{
	ArchiveDir	"binary";
	// OverrideDir	"";
	// CacheDir	"";
	FileListDir	"cache/indices_debian-installer";
};

Default
{
	Packages::Compress	". gzip";
	// Packages::Extension	".deb";
	// Sources::Extensions	".dsc";
	// Contents::Compress	"gzip";
	// DeLinkLimit		"0";
	// FileMode		"0644";
};

TreeDefault
{
	// MaxContentsChange
	// ContentsAge
	Directory		"dists/\$(DIST)/\$(SECTION)/binary-\$(ARCH)/";
	Packages		"dists/\$(DIST)/\$(SECTION)/binary-\$(ARCH)/Packages";
	InternalPrefix		"dists/\$(DIST)/\$(SECTION)/";
	Contents		"dists/\$(DIST)/Contents-\$(ARCH)";
	// Contents::Header
	// BinCacheDB		"cache.\$(DIST).\$(SECTION).\$(ARCH)";
	// FileList		"filelist.\$(DIST).\$(SECTION).\$(ARCH)";
	FileList		"filelist";
	// BinOverride		"override.\$(DIST).\$(SECTION)";
};

tree "${LIVE_DISTRIBUTION}"
{
	Sections	"main";
	Architectures	"${LIVE_ARCHITECTURE}";
};
EOF

cd binary
find pool -name "*.deb" | sort > ../cache/indices_debian-installer/filelist
cd "${OLDPWD}"

cat > cache/indices_debian-installer/release << EOF
APT::FTPArchive::Release::Origin	"Debian";
APT::FTPArchive::Release::Label		"Debian";
APT::FTPArchive::Release::Suite		"${LIVE_DISTRIBUTION}";
APT::FTPArchive::Release::Version	"4.0";
APT::FTPArchive::Release::Codename	"${LIVE_DISTRIBUTION}";
APT::FTPArchive::Release::Date		"`date -R`";
APT::FTPArchive::Release::Architectures	"${LIVE_ARCHITECTURE}";
APT::FTPArchive::Release::Components	"main";
EOF

apt-ftparchive generate cache/indices_debian-installer/archive
apt-ftparchive -c cache/indices_debian-installer/release -o APT::FTPArchive::Release::Description="Last updated: `date -R`" release binary/dists/${LIVE_DISTRIBUTION} > binary/dists/${LIVE_DISTRIBUTION}/Release
}

mkdir binary/.disk
echo "main" > binary/.disk/base_components
touch binary/.disk/base_installable
echo "not_complete" > binary/.disk/cd_type
#echo "Debian GNU/Linux 4.0 r0 \"Etch\" - Official i386 NETINST Binary-1 20070407-11:29" > binary/.disk/info
echo "Debian GNU/Linux ${LIVE_DISTRIBUTION} - Unofficial ${LIVE_ARCHITECTURE} NETINST Binary-1 `date +%Y%m%d-%H:%M`" > binary/.disk/info
touch binary/.disk/mkisofs

# Creating stage file
Create_stagefile .stage/binary_debian-installer