#!/bin/bash
#
# Univention System Setup
#  download packages for appliance mode
#
# Copyright 2014-2022 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.

die () {
	local rc="$?"
	echo "${0##*/}: $*" >&2
	exit "$rc"
}

if [ -n "$1" ]; then
	echo "Usage $0"
	exit 2
fi

declare -a PACKAGES=(
	univention-server-master # TODO
	univention-server-backup # TODO
	univention-server-slave
	univention-server-member
	univention-ad-connector
	univention-samba
	univention-management-console-module-adtakeover
	univention-printserver # TODO
	univention-dhcp
	univention-fetchmail
	univention-radius
	univention-mail-server
	# FIXME univention-nagios-server
	univention-pkgdb # TODO
	univention-samba4
	univention-s4-connector
	univention-squid
	univention-self-service
	univention-self-service-passwordreset-umc
	univention-self-service-master # TODO
)
CACHE='/var/cache/univention-system-setup/packages'
APT='/etc/apt/sources.list.d/05univention-system-setup.list'

umask 0022
install -m 0755 -o _apt -d "$CACHE"
cd "$CACHE" ||
	die "Failed to change directory to '$CACHE'"

install_cmd="$(univention-config-registry get update/commands/install)"
for package in "${PACKAGES[@]}"
do
	# shellcheck disable=SC2046
	apt-get download -o Dir::Cache::Archives="$CACHE" $(LC_ALL=C.UTF-8 $install_cmd --reinstall -s -o Debug::NoLocking=1 "${package}" | sed -ne 's|^Inst \([^ ]*\) .*|\1|p') ||
		die "Failed to download required packages for ${package}"
done

apt-ftparchive packages . >Packages ||
	die "Failed to create $CACHE/Packages"

chown _apt ./*
chmod 0644 ./*

[ -e "$APT" ] ||
	echo "deb [trusted=yes] file://$CACHE ./" >"$APT"

exit 0
