<h2>Editing File: /usr/lib/kernel/install.d/90-loaderentry.install</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

COMMAND=&quot;$1&quot;
KERNEL_VERSION=&quot;$2&quot;
BOOT_DIR_ABS=&quot;$3&quot;
KERNEL_IMAGE=&quot;$4&quot;

if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
    exit 0
fi

if ! [[ -d &quot;$BOOT_DIR_ABS&quot; ]]; then
    exit 0
fi

MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID

BOOT_DIR=&quot;/$MACHINE_ID/$KERNEL_VERSION&quot;
BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
LOADER_ENTRY=&quot;$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf&quot;

if [[ $COMMAND == remove ]]; then
    exec rm -f &quot;$LOADER_ENTRY&quot;
fi

if ! [[ $COMMAND == add ]]; then
    exit 1
fi

if ! [[ $KERNEL_IMAGE ]]; then
    exit 1
fi

if [[ -f /etc/os-release ]]; then
    . /etc/os-release
elif [[ -f /usr/lib/os-release ]]; then
    . /usr/lib/os-release
fi

if ! [[ $PRETTY_NAME ]]; then
    PRETTY_NAME=&quot;Linux $KERNEL_VERSION&quot;
fi

if [[ -f /etc/kernel/cmdline ]]; then
    read -r -d '' -a BOOT_OPTIONS &lt; /etc/kernel/cmdline
elif [[ -f /usr/lib/kernel/cmdline ]]; then
    read -r -d '' -a BOOT_OPTIONS &lt; /usr/lib/kernel/cmdline
else
    declare -a BOOT_OPTIONS

    read -r -d '' -a line &lt; /proc/cmdline
    for i in &quot;${line[@]}&quot;; do
        [[ &quot;${i#initrd=*}&quot; != &quot;$i&quot; ]] &amp;&amp; continue
        BOOT_OPTIONS+=(&quot;$i&quot;)
    done
fi

cp &quot;$KERNEL_IMAGE&quot; &quot;$BOOT_DIR_ABS/linux&quot; &amp;&amp;
   chown root:root &quot;$BOOT_DIR_ABS/linux&quot; &amp;&amp;
   chmod 0644 &quot;$BOOT_DIR_ABS/linux&quot; || {
    echo &quot;Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'.&quot; &gt;&amp;2
    exit 1
}

mkdir -p &quot;${LOADER_ENTRY%/*}&quot; || {
    echo &quot;Could not create loader entry directory '${LOADER_ENTRY%/*}'.&quot; &gt;&amp;2
    exit 1
}

{
    echo &quot;title      $PRETTY_NAME&quot;
    echo &quot;version    $KERNEL_VERSION&quot;
    echo &quot;machine-id $MACHINE_ID&quot;
    echo &quot;options    ${BOOT_OPTIONS[*]}&quot;
    echo &quot;linux      $BOOT_DIR/linux&quot;
    [[ -f $BOOT_DIR_ABS/initrd ]] &amp;&amp; \
        echo &quot;initrd     $BOOT_DIR/initrd&quot;
    :
} &gt; &quot;$LOADER_ENTRY&quot; || {
    echo &quot;Could not create loader entry '$LOADER_ENTRY'.&quot; &gt;&amp;2
    exit 1
}
exit 0
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