#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2011 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="$(Echo 'install local packages into binary')"
HELP=""
USAGE="${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 package lists..."

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

# Checking stage file
Check_stagefile .stage/binary_local-packagelists

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if ls config/package-lists/*.list > /dev/null 2>&1 || \
   ls config/package-lists/*.list.binary > /dev/null 2>&1
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 LIST in config/package-lists/*.list \
		    config/package-lists/*.list.binary
	do
		# Generate package list
		Expand_packagelist "${LIST}" "config/package-lists" > chroot/root/"$(basename ${LIST})"

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

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

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

		if echo "${SECTION}" | grep -qs contrib
		then
			SECTION="contrib"
		elif echo "${SECTION}" | grep -qs non-free
		then
			SECTION="non-free"
		else
			SECTION="main"
		fi

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

		# Move files
		mv "${FILE}" binary/pool/${SECTION}/"${LETTER}"/"${SOURCE}"
	done

	cd binary

	for SECTION in pool/*
	do
		SECTION="$(basename ${SECTION})"

		mkdir -p dists/${LB_PARENT_DISTRIBUTION}/${SECTION}/binary-${LB_ARCHITECTURES}
		apt-ftparchive packages pool/${SECTION} > dists/${LB_PARENT_DISTRIBUTION}/${SECTION}/binary-${LB_ARCHITECTURES}/Packages
		gzip -9 -c dists/${LB_PARENT_DISTRIBUTION}/${SECTION}/binary-${LB_ARCHITECTURES}/Packages > dists/${LB_PARENT_DISTRIBUTION}/${SECTION}/binary-${LB_ARCHITECTURES}/Packages.gz
	done

	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-packagelists
fi
