distribution/packages/jelos/sources/scripts/system-upgrade

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# 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="${GIT_REPO}"
;;
esac
FORCE="$(get_setting updates.force)"
GIT_REPO="https://github.com/${ORGANIZATION}/${PROJECT}"
GIT_API="https://api.github.com/repos/${ORGANIZATION}/${PROJECT}"
UPDATE_PATH="/storage/.update"
EXTENSION="tar"
function check_network() {
GW=$(ip route | awk '/eth0/ {a=$0} END{print $1}')
if [[ ${GW} =~ [0-9] ]]
then
echo true
else
echo false
fi
}
get_available() {
echo $(df | awk '/'$1'/ {printf $4; exit}')
}
get_size() {
echo $(df | awk '/'$1'/ {printf $2; exit}')
}
check_space() {
MYSIZE="$(get_$1 $2)"
VOLNAME="$3"
REQUIRED="$4"
if [ "${MYSIZE}" -lt "${REQUIRED}" ]
then
NEEDED=$(( (${REQUIRED} - ${MYSIZE} ) / 1024 ))
echo -e "There is not enough free space available ${VOLNAME} to install this update. Free up an additional ${NEEDED}MB, or reflash the newer version."
echo "Exiting in 5 seconds..." && sleep 5
exit 1
fi
}
get_changelog() {
echo "Fetching change log."
echo -e "Change Log" >/storage/.cache/changelog
lynx --dump "${GIT_REPO}/releases/latest" 2>/dev/null | awk '/Contributors|Assets [0-9]/ {exit}; /Change Log/{p++;if(p==1){next}}p;' >>/storage/.cache/changelog
if [ ! "$?" = "0" ]
then
echo "Unable to fetch the change log, please ensure you have a network connection." >>/storage/.cache/changelog
fi
}
get_release_list() {
DATA=($(curl -H 'Cache-Control: no-cache' -Ls "${GIT_API}/releases" 2>/dev/null | python -c "import sys, json; data=json.load(sys.stdin); print(\"\\n\".join([str(data[i]['tag_name']) for i in range(10)]))"))
if [ ! -z "${DATA}" ]
then
printf "%s\n" "${DATA[@]}"
else
echo "Unable to fetch releases."
fi
}
###
### Check for passed arguments. If we receive changelog, fetch it. If we receive a version, force install it.
###
case ${1} in
changelog)
get_changelog >/dev/null 2>&1
exit 0
;;
releases)
get_release_list
exit 0
;;
[0-9][0-9]*)
LATEST_RELEASE_TAG=${1}
FORCE=1
;;
esac
ONLINE_STATUS=$(check_network)
if [ ! "${ONLINE_STATUS}" == true ]
then
echo "System not online, cannot continue..."
echo "Exiting in 5 seconds..." && sleep 5
exit 0
fi
echo -e "=> ${OS_NAME} UPGRADE UTILITY"
# Check storage
check_space size flash boot 2048000 2>/dev/null
if [ "$(mountpoint -q /storage/roms)" ]
then
check_space available .update GAMES 4096000 2>/dev/null
fi
if [ -z "${LATEST_RELEASE_TAG}" ]
then
# Download
LATEST_RELEASE_TAG=$(curl -H 'Cache-Control: no-cache' -Ls "${GIT_API}/releases" | python -c "import sys, json; print(json.load(sys.stdin)[0]['tag_name'])")
if [ "${OS_VERSION}" -ge "${LATEST_RELEASE_TAG}" ] && [ ! "${FORCE}" = "1" ]
then
echo "No new updates are available..."
echo "Exiting in 5 seconds..." && sleep 5
exit 0
fi
fi
echo -e "\nFetching: ${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION}"
curl -Lo "${UPDATE_PATH}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION}" "${GIT_REPO}/releases/download/${LATEST_RELEASE_TAG}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.tar"
echo -e "Fetching: ${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION}.sha256"
curl -Lo "${UPDATE_PATH}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION}.sha256" "${GIT_REPO}/releases/download/${LATEST_RELEASE_TAG}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.tar.sha256"
echo -e "\nVerifying download, please wait..."
# Verify
MYSUM=$(sha256sum ${UPDATE_PATH}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION} | awk '{print $1}')
DLSUM=$(cat ${UPDATE_PATH}/${OS_NAME}-${HW_DEVICE}.${HW_ARCH}-${LATEST_RELEASE_TAG}.${EXTENSION}.sha256 | awk '{print $1}')
if [ ! "${MYSUM}" == "${DLSUM}" ]
then
echo "Verification failed, cleaning up and exiting..."
rm -f ${UPDATE_PATH}/*
sleep 5
clear
exit 1
else
echo "Verification successful..."
fi
get_changelog
if [ "${FORCE}" == "1" ]
then
set_setting updates.force 0
fi
echo -e "\nRebooting to complete OS upgrade..."
sync
sleep 3
reboot