JezK
Edit File: 90-loaderentry.install
#!/bin/sh # -*- 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-or-later # # This file is part of systemd. # # 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 <https://www.gnu.org/licenses/>. set -e COMMAND="${1:?}" KERNEL_VERSION="${2:?}" ENTRY_DIR_ABS="${3:?}" KERNEL_IMAGE="$4" INITRD_OPTIONS_SHIFT=4 [ "$KERNEL_INSTALL_LAYOUT" = "bls" ] || exit 0 MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID" ENTRY_TOKEN="$KERNEL_INSTALL_ENTRY_TOKEN" BOOT_ROOT="$KERNEL_INSTALL_BOOT_ROOT" BOOT_MNT="$(stat -c %m "$BOOT_ROOT")" if [ "$BOOT_MNT" = '/' ]; then ENTRY_DIR="$ENTRY_DIR_ABS" else ENTRY_DIR="${ENTRY_DIR_ABS#"$BOOT_MNT"}" fi case "$COMMAND" in remove) [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \ echo "Removing $BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION*.conf" exec rm -f \ "$BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION.conf" \ "$BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION+"*".conf" ;; add) ;; *) exit 0 ;; esac if [ -f /etc/os-release ]; then # shellcheck source=/dev/null . /etc/os-release elif [ -f /usr/lib/os-release ]; then # shellcheck source=/dev/null . /usr/lib/os-release fi [ -n "$PRETTY_NAME" ] || PRETTY_NAME="Linux $KERNEL_VERSION" SORT_KEY="$IMAGE_ID" [ -z "$SORT_KEY" ] && SORT_KEY="$ID" if [ -n "$KERNEL_INSTALL_CONF_ROOT" ]; then if [ -f "$KERNEL_INSTALL_CONF_ROOT/cmdline" ]; then BOOT_OPTIONS="$(tr -s "$IFS" ' ' <"$KERNEL_INSTALL_CONF_ROOT/cmdline")" fi elif [ -f /etc/kernel/cmdline ]; then BOOT_OPTIONS="$(tr -s "$IFS" ' ' </etc/kernel/cmdline)" elif [ -f /usr/lib/kernel/cmdline ]; then BOOT_OPTIONS="$(tr -s "$IFS" ' ' </usr/lib/kernel/cmdline)" else BOOT_OPTIONS="$(tr -s "$IFS" '\n' </proc/cmdline | grep -ve '^BOOT_IMAGE=' -e '^initrd=' | tr '\n' ' ')" fi BOOT_OPTIONS="${BOOT_OPTIONS% }" # If the boot entries are named after the machine ID, then suffix the kernel # command line with the machine ID we use, so that the machine ID remains # stable, even during factory reset, in the initrd (where the system's machine # ID is not directly accessible yet), and if the root file system is volatile. if [ "$ENTRY_TOKEN" = "$MACHINE_ID" ] && ! echo "$BOOT_OPTIONS" | grep -q "systemd.machine_id="; then BOOT_OPTIONS="$BOOT_OPTIONS systemd.machine_id=$MACHINE_ID" fi TRIES_FILE="${KERNEL_INSTALL_CONF_ROOT:-/etc/kernel}/tries" if [ -f "$TRIES_FILE" ]; then read -r TRIES <"$TRIES_FILE" if ! echo "$TRIES" | grep -q '^[0-9][0-9]*$'; then echo "$TRIES_FILE does not contain an integer." >&2 exit 1 fi LOADER_ENTRY="$BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION+$TRIES.conf" else LOADER_ENTRY="$BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION.conf" fi if ! [ -d "$ENTRY_DIR_ABS" ]; then echo "Error: entry directory '$ENTRY_DIR_ABS' does not exist" >&2 exit 1 fi install -m 0644 "$KERNEL_IMAGE" "$ENTRY_DIR_ABS/linux" || { echo "Error: could not copy '$KERNEL_IMAGE' to '$ENTRY_DIR_ABS/linux'." >&2 exit 1 } chown root:root "$ENTRY_DIR_ABS/linux" || : shift "$INITRD_OPTIONS_SHIFT" # All files listed as arguments, and staged files starting with "initrd" are installed as initrds. for initrd in "$@" "${KERNEL_INSTALL_STAGING_AREA}"/initrd*; do [ -f "$initrd" ] || { [ "$initrd" = "${KERNEL_INSTALL_STAGING_AREA}/initrd*" ] && continue echo "Error: initrd '$initrd' not a file." >&2 exit 1 } initrd_basename="${initrd##*/}" [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $ENTRY_DIR_ABS/$initrd_basename" install -m 0644 "$initrd" "$ENTRY_DIR_ABS/$initrd_basename" || { echo "Error: could not copy '$initrd' to '$ENTRY_DIR_ABS/$initrd_basename'." >&2 exit 1 } chown root:root "$ENTRY_DIR_ABS/$initrd_basename" || : done mkdir -p "${LOADER_ENTRY%/*}" || { echo "Error: could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2 exit 1 } [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Creating $LOADER_ENTRY" { echo "title $PRETTY_NAME" echo "version $KERNEL_VERSION" if [ "$ENTRY_TOKEN" = "$MACHINE_ID" ]; then # See similar logic above for the systemd.machine_id= kernel command line option echo "machine-id $MACHINE_ID" fi [ -n "$SORT_KEY" ] && echo "sort-key $SORT_KEY" echo "options $BOOT_OPTIONS" echo "linux $ENTRY_DIR/linux" have_initrd= for initrd in "${@}" "${KERNEL_INSTALL_STAGING_AREA}"/initrd*; do [ -f "$initrd" ] || continue echo "initrd $ENTRY_DIR/${initrd##*/}" have_initrd=yes done # Try a few variations that are generated by various initrd generators in their kernel-install hooks if # no initrds were supplied. if [ -z "$have_initrd" ] && [ -f "$ENTRY_DIR_ABS/initrd" ]; then echo "initrd $ENTRY_DIR/initrd" have_initrd=yes fi if [ -z "$have_initrd" ] && [ -f "$BOOT_ROOT/initramfs-$KERNEL_VERSION.img" ]; then echo "initrd /initramfs-$KERNEL_VERSION.img" have_initrd=yes fi : } >"$LOADER_ENTRY" || { echo "Error: could not create loader entry '$LOADER_ENTRY'." >&2 exit 1 } exit 0