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#!/bin/bash # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- # ex: ts=8 sw=4 sts=4 et filetype=sh # SPDX-License-Identifier: LGPL-2.1+ # # This file is part of systemd. # # Copyright © 2013 Harald Hoyer # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # # systemd is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with systemd; If not, see <http://www.gnu.org/licenses/>. SKIP_REMAINING=77 usage() { echo "Usage:" echo " $0 add KERNEL-VERSION KERNEL-IMAGE" echo " $0 remove KERNEL-VERSION" } dropindirs_sort() { local suffix=$1; shift local -a files local f d i readarray -t files <<<"$( for d in "$@"; do for i in "$d/"*"$suffix"; do if [[ -e "$i" ]]; then echo "${i##*/}" fi done done | sort -Vu )" for f in "${files[@]}"; do for d in "$@"; do if [[ -e "$d/$f" ]]; then echo "$d/$f" continue 2 fi done done } export LC_COLLATE=C for i in "$@"; do if [ "$i" == "--help" -o "$i" == "-h" ]; then usage exit 0 fi done if [[ "${0##*/}" == 'installkernel' ]]; then COMMAND='add' else COMMAND="$1" shift fi KERNEL_VERSION="$1" KERNEL_IMAGE="$2" if [[ -f /etc/machine-id ]]; then read MACHINE_ID < /etc/machine-id fi if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then echo "Not enough arguments" >&2 exit 1 fi if ! [[ $MACHINE_ID ]]; then BOOT_DIR_ABS=$(mktemp -d /tmp/kernel-install.XXXXX) || exit 1 trap "rm -rf '$BOOT_DIR_ABS'" EXIT INT QUIT PIPE elif [[ -d /efi/loader/entries ]] || [[ -d /efi/$MACHINE_ID ]]; then BOOT_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION" elif [[ -d /boot/loader/entries ]] || [[ -d /boot/$MACHINE_ID ]]; then BOOT_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION" elif [[ -d /boot/efi/loader/entries ]] || [[ -d /boot/efi/$MACHINE_ID ]]; then BOOT_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION" elif mountpoint -q /efi; then BOOT_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION" elif mountpoint -q /boot/efi; then BOOT_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION" else BOOT_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION" fi export KERNEL_INSTALL_MACHINE_ID=$MACHINE_ID ret=0 readarray -t PLUGINS <<<"$( dropindirs_sort ".install" \ "/etc/kernel/install.d" \ "/usr/lib/kernel/install.d" )" case $COMMAND in add) if [[ ! "$KERNEL_IMAGE" ]]; then echo "Command 'add' requires an argument" >&2 exit 1 fi mkdir -p "$BOOT_DIR_ABS" || { echo "Could not create boot directory '$BOOT_DIR_ABS'." >&2 exit 1 } for f in "${PLUGINS[@]}"; do if [[ -x $f ]]; then "$f" add "$KERNEL_VERSION" "$BOOT_DIR_ABS" "$KERNEL_IMAGE" x=$? if [[ $x == $SKIP_REMAINING ]]; then ret=0 break fi ((ret+=$x)) fi done if ! [[ $MACHINE_ID ]] && ! rmdir "$BOOT_DIR_ABS"; then echo "Warning: In kernel-install plugins, requiring BOOT_DIR_ABS to be preset is deprecated." >&2 echo " All plugins should not put anything in BOOT_DIR_ABS if the environment" >&2 echo " variable KERNEL_INSTALL_MACHINE_ID is empty." >&2 rm -rf "$BOOT_DIR_ABS" ((ret+=$?)) fi ;; remove) for f in "${PLUGINS[@]}"; do if [[ -x $f ]]; then "$f" remove "$KERNEL_VERSION" "$BOOT_DIR_ABS" x=$? if [[ $x == $SKIP_REMAINING ]]; then ret=0 break fi ((ret+=$x)) fi done rm -rf "$BOOT_DIR_ABS" ((ret+=$?)) ;; *) echo "Unknown command '$COMMAND'" >&2 exit 1 ;; esac exit $ret