mirror of
https://gitlab.archlinux.org/tpowa/archboot.git
synced 2024-09-20 03:50:37 +02:00
152 lines
7.2 KiB
Bash
Executable file
152 lines
7.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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# created by Tobias Powalowski <tpowa@archlinux.org>
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_D_SCRIPTS=""
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_L_COMPLETE=""
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_L_INSTALL_COMPLETE=""
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_G_RELEASE=""
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_RUNNING_ARCH="$(uname -m)"
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_CONFIG="/etc/archboot/${_RUNNING_ARCH}-update_installer.conf"
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_W_DIR="/archboot"
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_INSTALLER_SOURCE="https://gitlab.archlinux.org/tpowa/archboot/-/raw/master/usr/bin"
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kver() {
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# get kernel version from installed kernel
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[[ "$(uname -m)" == "x86_64" ]] && VMLINUZ="${_W_DIR}/boot/vmlinuz-linux"
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[[ "$(uname -m)" == "aarch64" ]] && VMLINUZ="${_W_DIR}/boot/Image"
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if [[ -f "${VMLINUZ}" ]]; then
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offset=$(hexdump -s 526 -n 2 -e '"%0d"' "${VMLINUZ}")
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read -r _HWKVER _ < <(dd if="${VMLINUZ}" bs=1 count=127 skip=$(( offset + 0x200 )) 2>/dev/null)
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fi
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# fallback if no detectable kernel is installed
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[[ "${_HWKVER}" == "" ]] && _HWKVER="$(uname -r)"
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}
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usage () {
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echo "Update installer, launch latest environment or create latest image files:"
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echo "-------------------------------------------------------------------------"
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echo "PARAMETERS:"
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echo " -u Update scripts: setup, quickinst, tz, km and helpers."
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echo ""
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echo "On fast internet connection (100Mbit) (approx. 5 minutes):"
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echo " -latest Launch latest archboot environment (using kexec)."
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echo " This operation needs at least 2.4 GB RAM."
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echo ""
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echo " -latest-install Launch latest archboot environment with downloaded"
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echo " package cache (using kexec)."
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echo " This operation needs at least 2.9 GB RAM."
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echo ""
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echo " -latest-image Generate latest image files in /archboot-release directory"
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echo " This operation needs at least 3.3 GB RAM."
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echo ""
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echo " -h This message."
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exit 0
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}
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[[ -z "${1}" ]] && usage
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while [ $# -gt 0 ]; do
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case ${1} in
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-u|--u) _D_SCRIPTS="1" ;;
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-latest|--latest) _L_COMPLETE="1" ;;
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-latest-install|--latest-install) _L_INSTALL_COMPLETE="1";;
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-latest-image|--latest-image) _G_RELEASE="1" ;;
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-h|--h|?) usage ;;
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*) usage ;;
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esac
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shift
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done
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if [[ ! "$(cat /etc/hostname)" == "archboot" ]]; then
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echo "This script should only be run in booted archboot environment. Aborting..."
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exit 1
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fi
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# Download latest setup and quickinst script from git repository
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if [[ "${_D_SCRIPTS}" == "1" ]]; then
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echo "Downloading latest km, tz, quickinst, setup and helpers..."
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[[ -e /usr/bin/quickinst ]] && wget -q "$_INSTALLER_SOURCE/archboot-quickinst.sh?inline=false" -O /usr/bin/quickinst >/dev/null 2>&1
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[[ -e /usr/bin/setup ]] && wget -q "$_INSTALLER_SOURCE/archboot-setup.sh?inline=false" -O /usr/bin/setup >/dev/null 2>&1
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[[ -e /usr/bin/km ]] && wget -q "$_INSTALLER_SOURCE/archboot-km.sh?inline=false" -O /usr/bin/km >/dev/null 2>&1
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[[ -e /usr/bin/tz ]] && wget -q "$_INSTALLER_SOURCE/archboot-tz.sh?inline=false" -O /usr/bin/tz >/dev/null 2>&1
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[[ -e /usr/bin/archboot-${_RUNNING_ARCH}-create-container.sh ]] && wget -q "$_INSTALLER_SOURCE/archboot-${_RUNNING_ARCH}-create-container.sh?inline=false" -O "/usr/bin/archboot-${_RUNNING_ARCH}-create-container.sh" >/dev/null 2>&1
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[[ -e /usr/bin/archboot-${_RUNNING_ARCH}-release.sh ]] && wget -q "$_INSTALLER_SOURCE/archboot-${_RUNNING_ARCH}-release.sh?inline=false" -O "/usr/bin/archboot-${_RUNNING_ARCH}-release.sh" >/dev/null 2>&1
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[[ -e /usr/bin/archboot-binary-check.sh ]] && wget -q "$_INSTALLER_SOURCE/archboot-binary-check.sh?inline=false" -O /usr/bin/archboot-binary-check.sh >/dev/null 2>&1
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[[ -e /usr/bin/update-installer.sh ]] && wget -q "$_INSTALLER_SOURCE/archboot-update-installer.sh?inline=false" -O /usr/bin/update-installer.sh >/dev/null 2>&1
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echo "Finished: Downloading scripts done."
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exit 0
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fi
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echo "Information: Logging is done on /dev/tty7 ..."
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# Generate new environment and launch it with kexec
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if [[ "${_L_COMPLETE}" == "1" || "${_L_INSTALL_COMPLETE}" == "1" ]]; then
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# remove everything not necessary
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echo "Step 1/8: Removing not necessary files from / ..."
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[[ -d "/usr/lib/firmware" ]] && rm -r "/usr/lib/firmware"
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[[ -d "/usr/lib/modules" ]] && rm -r "/usr/lib/modules"
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_SHARE_DIRS="efitools file grub hwdata kbd licenses makepkg nmap openvpn pacman refind tc usb_modeswitch vim zoneinfo zsh"
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for i in "${_SHARE_DIRS}"; do
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[[ -d "/usr/share/${i}" ]] && rm -r "/usr/share/${i}"
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done
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echo "Step 2/8: Generating archboot container in ${_W_DIR} ..."
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echo " This will need some time ..."
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# create container without package cache
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[[ "${_L_COMPLETE}" == "1" ]] && ("archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc -cp >/dev/tty7 2>&1 || exit 1)
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# create container with package cache
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[[ "${_L_INSTALL_COMPLETE}" == "1" ]] && ("archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc >/dev/tty7 2>&1 || exit 1)
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# generate initrd in container, remove archboot packages from cache, not needed in normal install, umount tmp before generating initrd
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echo "Step 3/8: Moving kernel from ${_W_DIR} to / ..."
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if [[ "${_RUNNING_ARCH}" == "x86_64" ]]; then
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mv "${_W_DIR}"/boot/vmlinuz-linux / || exit 1
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### not supported
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#mv "${_W_DIR}"/boot/intel-ucode.img / || exit 1
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fi
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if [[ "${_RUNNING_ARCH}" == "aarch64" ]]; then
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mv "${_W_DIR}"/boot/Image / || exit 1
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fi
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echo "Step 4/8: Collect initramfs files in ${_W_DIR} ..."
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echo " This will need some time ..."
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# add fix for mkinitcpio 31, remove when 32 is released
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cp "${_W_DIR}"/usr/share/archboot/patches/31-initcpio.functions.fixed "${_W_DIR}"/usr/lib/initcpio/functions
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kver
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# write initramfs to /tmp
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systemd-nspawn -D "${_W_DIR}" /bin/bash -c "umount /tmp; mkinitcpio -k "${_HWKVER}" -c ${_CONFIG} -d /tmp/" >/dev/tty7 2>&1 || exit 1
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# move initramfs to /
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mv "${_W_DIR}/tmp" /initrd || exit 1
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echo "Step 5/8: Remove ${_W_DIR} ..."
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rm -r "${_W_DIR}" || exit 1
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echo "Step 6/8: Create initramfs /initrd.img ..."
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echo " This will need some time ..."
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cd initrd || exit 1
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#from /usr/bin/mkinitpcio.conf
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# compress image with zstd
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find . -mindepth 1 -printf '%P\0' | sort -z | LANG=C bsdtar --uid 0 --gid 0 --null -cnf - -T - |\
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LANG=C bsdtar --null -cf - --format=newc @- | zstd -T0 > /initrd.img || exit 1
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cd ..
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echo "Step 7/8: Remove /initrd ..."
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rm -r "/initrd" || exit 1
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### not supported
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#mv "${_W_DIR}"/boot/amd-ucode.img / || exit 1
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# remove "${_W_DIR}"
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echo "Step 8/8: Loading files to kexec now, reboot in a few seconds ..."
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# load kernel and initrds into running kernel
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if [[ "${_RUNNING_ARCH}" == "x86_64" ]]; then
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kexec -l /vmlinuz-linux --initrd=/initrd.img --reuse-cmdline
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fi
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if [[ "${_RUNNING_ARCH}" == "aarch64" ]]; then
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kexec -l /Image --initrd=/initrd.img --reuse-cmdline
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fi
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echo "Finished: Rebooting ..."
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# restart environment
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systemctl kexec
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fi
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# Generate new images
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if [[ "${_G_RELEASE}" == "1" ]]; then
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echo "Step 1/1: Generating new iso files now in ${_W_DIR} ..."
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echo " This will need some time ..."
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"archboot-${_RUNNING_ARCH}-release.sh" "${_W_DIR}" >/dev/tty7 2>&1 || exit 1
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echo "Finished: New isofiles are located in ${_W_DIR}"
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fi
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