/usr/bin/kernel-install is in systemd 237-3ubuntu10.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | #!/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
|