#!/bin/sh

# lh_binary_local-packageslists(1) - install local packages lists into binary
# Copyright (C) 2006-2009 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:-/usr/share/live-helper}"/live-helper.sh

# Setting static variables
DESCRIPTION="$(Echo 'install local packages into binary')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

Echo_message "Begin installing local packages lists..."

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

# Checking stage file
Check_stagefile .stage/binary_local-packageslists

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if Find_files config/binary_local-packageslists/*
then
	# Restoring cache
	Restore_cache cache/packages_chroot

	# Check depends
	Check_package chroot/usr/bin/apt-ftparchive apt-utils

	# Installing depends
	Install_package

	mkdir -p chroot/binary.deb/archives/partial
	mv chroot/var/lib/dpkg/status chroot/var/lib/dpkg/status.tmp
	touch chroot/var/lib/dpkg/status

	for PACKAGESLIST in config/binary_local-packageslists/*
	do
		# Generate package list
		Expand_packagelist "${PACKAGESLIST}" "config/binary_local-packageslists" "config/chroot_local-packageslists" > chroot/root/"$(basename ${PACKAGESLIST})"

		# Downloading additional packages
		Chroot chroot "xargs --arg-file=/root/$(basename ${PACKAGESLIST}) apt-get ${APT_OPTIONS} -o Dir::Cache=/binary.deb --download-only install"

		# Remove package list
		rm chroot/root/"$(basename ${PACKAGESLIST})"
	done

	for FILE in chroot/binary.deb/archives/*.deb
	do
		SOURCE="$(dpkg -f ${FILE} Source | awk '{ print $1 }')"

		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
		mv "${FILE}" binary/pool/main/"${LETTER}"/"${SOURCE}"
	done

	cd binary
	mkdir -p dists/${LH_DISTRIBUTION}/main/binary-${LH_ARCHITECTURE}
	apt-ftparchive packages pool/main > dists/${LH_DISTRIBUTION}/main/binary-${LH_ARCHITECTURE}/Packages
	gzip -9 -c dists/${LH_DISTRIBUTION}/main/binary-${LH_ARCHITECTURE}/Packages > dists/${LH_DISTRIBUTION}/main/binary-${LH_ARCHITECTURE}/Packages.gz
	cd "${OLDPWD}"

	rm -rf chroot/binary.deb
	mv chroot/var/lib/dpkg/status.tmp chroot/var/lib/dpkg/status

	# Removing depends
	Remove_package

	# Saving cache
	Save_cache cache/packages_chroot

	# Creating stage file
	Create_stagefile .stage/binary_local-packageslists
fi