#!/usr/bin/env bash # created by Tobias Powalowski source /usr/lib/archboot/functions _D_SCRIPTS="" _L_COMPLETE="" _L_INSTALL_COMPLETE="" _G_RELEASE="" _CONFIG="/etc/archboot/${_RUNNING_ARCH}-update_installer.conf" _W_DIR="/archboot" _INSTALLER_SOURCE="https://gitlab.archlinux.org/tpowa/archboot/-/raw/master" kver() { # get kernel version from installed kernel [[ "${_RUNNING_ARCH}" == "x86_64" ]] && VMLINUZ="${_W_DIR}/boot/vmlinuz-linux" [[ "${_RUNNING_ARCH}" == "aarch64" ]] && VMLINUZ="${_W_DIR}/boot/Image" if [[ -f "${VMLINUZ}" ]]; then offset=$(hexdump -s 526 -n 2 -e '"%0d"' "${VMLINUZ}") read -r _HWKVER _ < <(dd if="${VMLINUZ}" bs=1 count=127 skip=$(( offset + 0x200 )) 2>/dev/null) fi # fallback if no detectable kernel is installed [[ "${_HWKVER}" == "" ]] && _HWKVER="$(uname -r)" } usage () { echo "Update installer, launch latest environment or create latest image files:" echo "-------------------------------------------------------------------------" echo "PARAMETERS:" echo " -u Update scripts: setup, quickinst, tz, km and helpers." echo "" echo "On fast internet connection (100Mbit) (approx. 5 minutes):" echo " -latest Launch latest archboot environment (using kexec)." echo " This operation needs at least 2.4 GB RAM." echo "" echo " -latest-install Launch latest archboot environment with downloaded" echo " package cache (using kexec)." echo " This operation needs at least 2.9 GB RAM." echo "" echo " -latest-image Generate latest image files in /archboot-release directory" echo " This operation needs at least 3.3 GB RAM." echo "" echo " -h This message." exit 0 } [[ -z "${1}" ]] && usage while [ $# -gt 0 ]; do case ${1} in -u|--u) _D_SCRIPTS="1" ;; -latest|--latest) _L_COMPLETE="1" ;; -latest-install|--latest-install) _L_INSTALL_COMPLETE="1";; -latest-image|--latest-image) _G_RELEASE="1" ;; -h|--h|?) usage ;; *) usage ;; esac shift done if [[ ! "$(cat /etc/hostname)" == "archboot" ]]; then echo "This script should only be run in booted archboot environment. Aborting..." exit 1 fi # Download latest setup and quickinst script from git repository if [[ "${_D_SCRIPTS}" == "1" ]]; then echo "Downloading latest km, tz, quickinst, setup and helpers..." wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-quickinst.sh?inline=false" -O /usr/bin/quickinst >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-setup.sh?inline=false" -O /usr/bin/setup >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-km.sh?inline=false" -O /usr/bin/km >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-tz.sh?inline=false" -O /usr/bin/tz >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-${_RUNNING_ARCH}-create-container.sh?inline=false" -O "/usr/bin/archboot-${_RUNNING_ARCH}-create-container.sh" >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-${_RUNNING_ARCH}-release.sh?inline=false" -O "/usr/bin/archboot-${_RUNNING_ARCH}-release.sh" >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-binary-check.sh?inline=false" -O /usr/bin/archboot-binary-check.sh >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/bin/archboot-update-installer.sh?inline=false" -O /usr/bin/update-installer.sh >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/lib/archboot/functions?inline=false" -O "/usr/lib/archboot/functions" >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/lib/archboot/container_functions?inline=false" -O "/usr/lib/archboot/container_functions" >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/lib/archboot/release_functions?inline=false" -O "/usr/lib/archboot/release_functions" >/dev/null 2>&1 wget -q "$_INSTALLER_SOURCE/usr/lib/archboot/iso_functions?inline=false" -O "/usr/lib/archboot/iso_functions" >/dev/null 2>&1 echo "Finished: Downloading scripts done." exit 0 fi echo "Information: Logging is done on /dev/tty7 ..." # Generate new environment and launch it with kexec if [[ "${_L_COMPLETE}" == "1" || "${_L_INSTALL_COMPLETE}" == "1" ]]; then if [[ -f /.update-installer ]]; then echo "Aborting: update-installer.sh is already running on other tty ..." echo "If you are absolutly sure it's not running, you need to remove /.update-installer" exit 0 fi touch /.update-installer # remove everything not necessary echo "Step 1/8: Removing not necessary files from / ..." [[ -d "/usr/lib/firmware" ]] && rm -r "/usr/lib/firmware" [[ -d "/usr/lib/modules" ]] && rm -r "/usr/lib/modules" _SHARE_DIRS="efitools file grub hwdata kbd licenses makepkg nmap openvpn pacman refind tc usb_modeswitch vim zoneinfo zsh" for i in ${_SHARE_DIRS}; do #shellcheck disable=SC2115 [[ -d "/usr/share/${i}" ]] && rm -r "/usr/share/${i}" done echo "Step 2/8: Generating archboot container in ${_W_DIR} ..." echo " This will need some time ..." # create container without package cache [[ "${_L_COMPLETE}" == "1" ]] && ("archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc -cp >/dev/tty7 2>&1 || exit 1) # create container with package cache [[ "${_L_INSTALL_COMPLETE}" == "1" ]] && ("archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc >/dev/tty7 2>&1 || exit 1) # generate initrd in container, remove archboot packages from cache, not needed in normal install, umount tmp before generating initrd echo "Step 3/8: Moving kernel from ${_W_DIR} to / ..." if [[ "${_RUNNING_ARCH}" == "x86_64" ]]; then mv "${_W_DIR}"/boot/vmlinuz-linux / || exit 1 ### not supported #mv "${_W_DIR}"/boot/intel-ucode.img / || exit 1 fi if [[ "${_RUNNING_ARCH}" == "aarch64" ]]; then mv "${_W_DIR}"/boot/Image / || exit 1 fi echo "Step 4/8: Collect initramfs files in ${_W_DIR} ..." echo " This will need some time ..." # add fix for mkinitcpio 31, remove when 32 is released cp "${_W_DIR}"/usr/share/archboot/patches/31-initcpio.functions.fixed "${_W_DIR}"/usr/lib/initcpio/functions kver # write initramfs to /tmp systemd-nspawn -D "${_W_DIR}" /bin/bash -c "umount /tmp; mkinitcpio -k ${_HWKVER} -c ${_CONFIG} -d /tmp/" >/dev/tty7 2>&1 || exit 1 # move initramfs to / mv "${_W_DIR}/tmp" /initrd || exit 1 echo "Step 5/8: Remove ${_W_DIR} ..." rm -r "${_W_DIR}" || exit 1 echo "Step 6/8: Create initramfs /initrd.img ..." echo " This will need some time ..." cd initrd || exit 1 #from /usr/bin/mkinitpcio.conf # compress image with zstd find . -mindepth 1 -printf '%P\0' | sort -z | LANG=C bsdtar --uid 0 --gid 0 --null -cnf - -T - |\ LANG=C bsdtar --null -cf - --format=newc @- | zstd -T0 > /initrd.img || exit 1 cd .. echo "Step 7/8: Remove /initrd ..." rm -r "/initrd" || exit 1 ### not supported #mv "${_W_DIR}"/boot/amd-ucode.img / || exit 1 # remove "${_W_DIR}" echo "Step 8/8: Loading files to kexec now, reboot in a few seconds ..." # load kernel and initrds into running kernel if [[ "${_RUNNING_ARCH}" == "x86_64" ]]; then kexec -l /vmlinuz-linux --initrd=/initrd.img --reuse-cmdline fi if [[ "${_RUNNING_ARCH}" == "aarch64" ]]; then kexec -l /Image --initrd=/initrd.img --reuse-cmdline fi echo "Finished: Rebooting ..." # restart environment systemctl kexec fi # Generate new images if [[ "${_G_RELEASE}" == "1" ]]; then echo "Step 1/1: Generating new iso files now in ${_W_DIR} ..." echo " This will need some time ..." "archboot-${_RUNNING_ARCH}-release.sh" "${_W_DIR}" >/dev/tty7 2>&1 || exit 1 echo "Finished: New isofiles are located in ${_W_DIR}" fi