distribution/packages/jelos/sources/scripts/updatecheck

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)

. /etc/profile

ORGANIZATION="${GIT_ORGANIZATION}"
BRANCH="$(get_setting updates.branch)"
case ${BRANCH} in
  dev)
    PROJECT="${GIT_REPO}-dev"
  ;;
  *)
    PROJECT="${GIT_REPO}"
  ;;
esac

GIT_REPO="https://github.com/${ORGANIZATION}/${PROJECT}"
GIT_API="https://api.github.com/repos/${ORGANIZATION}/${PROJECT}"

FORCE="$(get_setting updates.force)"

function check_network() {
  GW=$(ip route | awk '/eth0/ {a=$0} END{print $1}')
  if [[ ${GW} =~ [0-9] ]]
  then
    echo true
  else
    echo false
  fi
}

function cleanup() {
  if [ -e "/tmp/release.data" ]
  then
    rm -f /tmp/release.data
  fi
}

ONLINE_STATUS=$(check_network)
if [ "${ONLINE_STATUS}" == true ]
then
  curl -o /tmp/release.data -H 'Cache-Control: no-cache' -Ls "${GIT_API}/releases"
  LATEST_RELEASE_TAG=$(cat /tmp/release.data | python -c "import sys, json; print(json.load(sys.stdin)[0]['tag_name'])")
  UPDATE_PACKAGE=$((grep "${OS_NAME}-${HW_DEVICE}.${HW_ARCH}.*tar.sha256" /tmp/release.data >/dev/null 2>&1 && echo true ) || echo false)
  if [ "${OS_VERSION}" -lt "${LATEST_RELEASE_TAG}" ] \
  || [ "${FORCE}" == "1" ] \
  && [ "${UPDATE_PACKAGE}" == "true" ]
  then
    echo "${LATEST_RELEASE_TAG}"
    cleanup
    exit 0
  fi
fi

cleanup
exit 12