#!/bin/sh
# Copyright 2020 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e

mirror="https://f-droid.org/repo/"
thisdir="$(dirname $0)"
destdir="${thisdir}/prebuilts"
gnupg_home="${thisdir}/gnupg"

import_fdroid_key()
{
    if [ ! -d "${gnupg_home}" ] ; then
	install -m 700 -d "${gnupg_home}"

	gpg --homedir "${gnupg_home}" \
	    --import "${thisdir}/f-droid.key"
    fi
}

get()
{
    apk="$1"
    tmp="$(mktemp -u 'XXXXXXXX')"

    install -d "${destdir}"

    curl -L "${mirror}/${apk}"     -o "${destdir}/${apk}.${tmp}"
    curl -L "${mirror}/${apk}.asc" -o "${destdir}/${apk}.asc"

    gpg --verify --armor --homedir "${gnupg_home}" \
	"${destdir}/${apk}.asc" "${destdir}/${apk}.${tmp}" && \
	mv "${destdir}/${apk}.${tmp}" "${destdir}/${apk}"
}

import_fdroid_key

get me.phh.superuser_1033.apk
get org.fdroid.fdroid.privileged_2110.apk