<h2>Edit File - kernel-install</h2><form method="POST" style="padding:20px">
                <input type="hidden" name="edit_file" value="/usr/bin/kernel-install">
                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#!/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 &lt;http://www.gnu.org/licenses/&gt;.

SKIP_REMAINING=77

usage()
{
    echo &quot;Usage:&quot;
    echo &quot;        $0 add KERNEL-VERSION KERNEL-IMAGE&quot;
    echo &quot;        $0 remove KERNEL-VERSION&quot;
}

dropindirs_sort()
{
    local suffix=$1; shift
    local -a files
    local f d i

    readarray -t files &lt;&lt;&lt;&quot;$(
        for d in &quot;$@&quot;; do
            for i in &quot;$d/&quot;*&quot;$suffix&quot;; do
                if [[ -e &quot;$i&quot; ]]; then
                    echo &quot;${i##*/}&quot;
                fi
            done
        done | sort -Vu
    )&quot;

    for f in &quot;${files[@]}&quot;; do
        for d in &quot;$@&quot;; do
            if [[ -e &quot;$d/$f&quot; ]]; then
                echo &quot;$d/$f&quot;
                continue 2
            fi
        done
    done
}

export LC_COLLATE=C

for i in &quot;$@&quot;; do
    if [ &quot;$i&quot; == &quot;--help&quot; -o &quot;$i&quot; == &quot;-h&quot; ]; then
        usage
        exit 0
    fi
done

if [[ &quot;${0##*/}&quot; == &#039;installkernel&#039; ]]; then
    COMMAND=&#039;add&#039;
else
    COMMAND=&quot;$1&quot;
    shift
fi

KERNEL_VERSION=&quot;$1&quot;
KERNEL_IMAGE=&quot;$2&quot;

if [[ -f /etc/machine-id ]]; then
    read MACHINE_ID &lt; /etc/machine-id
fi

if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then
    echo &quot;Not enough arguments&quot; &gt;&amp;2
    exit 1
fi

if ! [[ $MACHINE_ID ]]; then
    BOOT_DIR_ABS=$(mktemp -d /tmp/kernel-install.XXXXX) || exit 1
    trap &quot;rm -rf &#039;$BOOT_DIR_ABS&#039;&quot; EXIT INT QUIT PIPE
elif [[ -d /efi/loader/entries ]] || [[ -d /efi/$MACHINE_ID ]]; then
    BOOT_DIR_ABS=&quot;/efi/$MACHINE_ID/$KERNEL_VERSION&quot;
elif [[ -d /boot/loader/entries ]] || [[ -d /boot/$MACHINE_ID ]]; then
    BOOT_DIR_ABS=&quot;/boot/$MACHINE_ID/$KERNEL_VERSION&quot;
elif [[ -d /boot/efi/loader/entries ]] || [[ -d /boot/efi/$MACHINE_ID ]]; then
    BOOT_DIR_ABS=&quot;/boot/efi/$MACHINE_ID/$KERNEL_VERSION&quot;
elif mountpoint -q /efi; then
    BOOT_DIR_ABS=&quot;/efi/$MACHINE_ID/$KERNEL_VERSION&quot;
elif mountpoint -q /boot/efi; then
    BOOT_DIR_ABS=&quot;/boot/efi/$MACHINE_ID/$KERNEL_VERSION&quot;
else
    BOOT_DIR_ABS=&quot;/boot/$MACHINE_ID/$KERNEL_VERSION&quot;
fi

export KERNEL_INSTALL_MACHINE_ID=$MACHINE_ID

ret=0

readarray -t PLUGINS &lt;&lt;&lt;&quot;$(
    dropindirs_sort &quot;.install&quot; \
        &quot;/etc/kernel/install.d&quot; \
        &quot;/usr/lib/kernel/install.d&quot;
)&quot;

case $COMMAND in
    add)
        if [[ ! &quot;$KERNEL_IMAGE&quot; ]]; then
            echo &quot;Command &#039;add&#039; requires an argument&quot; &gt;&amp;2
            exit 1
        fi

        mkdir -p &quot;$BOOT_DIR_ABS&quot; || {
            echo &quot;Could not create boot directory &#039;$BOOT_DIR_ABS&#039;.&quot; &gt;&amp;2
            exit 1
        }

        for f in &quot;${PLUGINS[@]}&quot;; do
            if [[ -x $f ]]; then
                &quot;$f&quot; add &quot;$KERNEL_VERSION&quot; &quot;$BOOT_DIR_ABS&quot; &quot;$KERNEL_IMAGE&quot;
                x=$?
                if [[ $x == $SKIP_REMAINING ]]; then
                    ret=0
                    break
                fi
                ((ret+=$x))
            fi
        done

        if ! [[ $MACHINE_ID ]] &amp;&amp; ! rmdir &quot;$BOOT_DIR_ABS&quot;; then
            echo &quot;Warning: In kernel-install plugins, requiring BOOT_DIR_ABS to be preset is deprecated.&quot; &gt;&amp;2
            echo &quot;         All plugins should not put anything in BOOT_DIR_ABS if the environment&quot; &gt;&amp;2
            echo &quot;         variable KERNEL_INSTALL_MACHINE_ID is empty.&quot; &gt;&amp;2
            rm -rf &quot;$BOOT_DIR_ABS&quot;
            ((ret+=$?))
        fi
        ;;

    remove)
        for f in &quot;${PLUGINS[@]}&quot;; do
            if [[ -x $f ]]; then
                &quot;$f&quot; remove &quot;$KERNEL_VERSION&quot; &quot;$BOOT_DIR_ABS&quot;
                x=$?
                if [[ $x == $SKIP_REMAINING ]]; then
                    ret=0
                    break
                fi
                ((ret+=$x))
            fi
        done

        rm -rf &quot;$BOOT_DIR_ABS&quot;
        ((ret+=$?))
        ;;

    *)
        echo &quot;Unknown command &#039;$COMMAND&#039;&quot; &gt;&amp;2
        exit 1
        ;;
esac

exit $ret
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