| #!/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="$KERNEL_INSTALL_BOOT_ROOT" |
| |
| [ -n "$BOOT_MNT" ] || 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 |
| |
| KERNEL_DEST="$ENTRY_DIR_ABS/linux" |
| KERNEL_ENTRY="$ENTRY_DIR/linux" |
| LOADER_ENTRY="$BOOT_ROOT/loader/entries/$ENTRY_TOKEN-$KERNEL_VERSION.conf" |
| |
| case "$COMMAND" in |
| remove) |
| [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \ |
| echo "Removing ${LOADER_ENTRY%.conf}*.conf" |
| exec rm -f \ |
| "$LOADER_ENTRY" \ |
| "${LOADER_ENTRY%.conf}"*".conf" |
| ;; |
| add) |
| ;; |
| *) |
| exit 0 |
| ;; |
| esac |
| |
| if [ -f /etc/os-release ]; then |
| # shellcheck source=/dev/null |
| . /etc/os-release |
| elif [ -f /usr/lib/os-release ]; then |
| # shellcheck source=/dev/null |
| . /usr/lib/os-release |
| fi |
| |
| [ -n "$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 "$TRIES_FILE does not contain an integer." >&2 |
| exit 1 |
| fi |
| LOADER_ENTRY="${LOADER_ENTRY%.conf}+$TRIES.conf" |
| fi |
| |
| if ! [ -d "$ENTRY_DIR_ABS" ]; then |
| echo "Error: entry directory '$ENTRY_DIR_ABS' does not exist" >&2 |
| exit 1 |
| fi |
| |
| install -m 0644 "$KERNEL_IMAGE" "$KERNEL_DEST" || { |
| echo "Error: could not copy '$KERNEL_IMAGE' to '$KERNEL_DEST'." >&2 |
| exit 1 |
| } |
| chown root:root "$KERNEL_DEST" || : |
| |
| 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 "# Boot Loader Specification type#1 entry" |
| echo "# File created by $0 (systemd {{GIT_VERSION}})" |
| 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 $KERNEL_ENTRY" |
| |
| have_initrd= |
| for initrd in "${@}" "${KERNEL_INSTALL_STAGING_AREA}"/initrd*; do |
| [ -f "$initrd" ] || continue |
| echo "initrd $ENTRY_DIR/${initrd##*/}" |
| have_initrd=yes |
| done |
| |
| # Try "initrd", generated by dracut in its kernel-install hook, if no initrds were supplied |
| [ -z "$have_initrd" ] && [ -f "$ENTRY_DIR_ABS/initrd" ] && echo "initrd $ENTRY_DIR/initrd" |
| : |
| } >"$LOADER_ENTRY" || { |
| echo "Error: could not create loader entry '$LOADER_ENTRY'." >&2 |
| exit 1 |
| } |
| exit 0 |