distribution/tools/burnimage

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)
. config/options ''
if [ -z "$1" ]
then
export BURN_VERSION=$(date +%Y%m%d)
else
BURN_VERSION=$1
fi
if [ -z "${DISTRO}" ] || [ -z "${DEVICE}" ] || [ -z "${ARCH}" ]
then
echo "Environment variables DISTRO, DEVICE, and ARCH must be set. Aborting."
exit 1
fi
# Exclude the boot device.
MYBOOTDEVICE=$(readlink -f /dev/disk/by-partuuid/$(efibootmgr -v | awk 'BEGIN {FS=","} /Boot0000/ {print $3}'))
SDDEVICES=($(awk '/sd*[a-z]$|mmcblk[0-9]$|nvme[0-9]n[0-9]$/ {print $4}' /proc/partitions | sort -r))
for SDDEVICE in ${SDDEVICES[@]}
do
# Make sure we're not using a device that's mounted.
ISMOUNTED=$(grep ${SDDEVICE} /proc/mounts >/dev/null 2>&1 && echo true || echo false)
if [[ ! "${MYBOOTDEVICE}" =~ ${SDDEVICE} ]] && \
[ "${ISMOUNTED}" = false ]
then
break
fi
unset SDDEVICE
done
if [ ! -z "${SDDEVICE}" ]
then
echo -e "\nWARNING: The burnimage tool will flash ${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img to unused device /dev/${SDDEVICE}.\n"
read -n 1 -s -r -p "PRESS CONTROL-C NOW TO ABORT, OR ANY OTHER KEY TO CONTINUE!"
if [ -e "release/${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img" ] || [ -e "release/${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img.gz" ]
then
cd release
echo -e "\n\nExtracting ${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img"
gunzip ${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img.gz 2>/dev/null ||:
echo "Wiping ${SDDEVICE} partition data"
sudo wipefs -a ${SDDEVICE} 2>/dev/null ||:
echo "Writing ${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img to ${SDDEVICE}"
sudo dd if=${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img of=/dev/${SDDEVICE} bs=1M
sync
else
echo "Release not found (${DISTRO}-${DEVICE}.${ARCH}-${BURN_VERSION}.img), aborting."
exit 1
fi
else
echo "SD Card could not be found, aborting."
exit 1
fi