#!/bin/bash
 ###########################################################################
# Copyright 2018 IoT.bzh
#
# author: Clément Bénier <sebastien@iot.bzh>
#
# 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.
###########################################################################

XDSSERVER="xds-server"
PACKAGE_NAME="agl-${XDSSERVER}"

#test if sudoers without PASSWD
sudo -n true
if [ ! $? -eq 0 ]; then
    exit 1
fi

function getUpdateDebian() {
    sudo apt update -o DIR::Etc::sourcelist="AGL.list" &> /dev/null
    sudo apt-cache policy ${PACKAGE_NAME} |grep -e 'Installed' -e 'Candidate'
}

function getUpdateFedora() {
    sudo dnf check-update ${PACKAGE_NAME} --refresh
    sudo dnf info --installed ${PACKAGE_NAME} | grep Version | sed "s/Version */Installed/g"
    sudo dnf info --updates ${PACKAGE_NAME} | grep Version | sed "s/Version */Candidate/g"
}

function getUpdateOpenSuse() {
    REPOAGL=$(zypper info agl-xds-server | grep Repository | awk -F ":" '{print $2}'))
    REPOAGL=$(zypper repos | grep "${REPOAGL}" | awk '{print $3}')
    sudo zypper refresh -r ${REPOAGL}
    sudo zypper list-updates -r ${REPOAGL} | awk '{if ($3 == "${PACKAGE_NAME}") print "Installed: "$5 "\nCandidate: "$7}'
}

if [ -f /etc/os-release ]; then
    source /etc/os-release
fi

case $ID in
    "debian")
        getUpdateDebian;;
    "fedora")
        getUpdateFedora;;
    "opensuse")
        getUpdateOpenSuse;;
    *)
	exit 2;;
esac