<h2>Editing File: /lib/kernel/install.d/51-dracut-rescue.install</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/bash

export LANG=C

COMMAND=&quot;$1&quot;
KERNEL_VERSION=&quot;$2&quot;
BOOT_DIR_ABS=&quot;${3%/*}/0-rescue&quot;
KERNEL_IMAGE=&quot;$4&quot;


dropindirs_sort()
{
    suffix=$1; shift
    args=(&quot;$@&quot;)
    files=$(
        while (( $# &gt; 0 )); do
            for i in ${1}/*${suffix}; do
                [[ -f $i ]] &amp;&amp; echo ${i##*/}
            done
            shift
        done | sort -Vu
    )

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

[[ -f /etc/os-release ]] &amp;&amp; . /etc/os-release

if [[ ${KERNEL_INSTALL_MACHINE_ID+x} ]]; then
    MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
elif [[ -f /etc/machine-id ]] ; then
    read MACHINE_ID &lt; /etc/machine-id
fi

if ! [[ $MACHINE_ID ]]; then
    exit 0
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
    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

if [[ -d &quot;${BOOT_DIR_ABS%/*}&quot; ]]; then
    BOOT_DIR=&quot;/${MACHINE_ID}/0-rescue&quot;
    BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
    LOADER_ENTRY=&quot;$BOOT_ROOT/loader/entries/${MACHINE_ID}-0-rescue.conf&quot;
    KERNEL=&quot;linux&quot;
    INITRD=&quot;initrd&quot;
else
    BLS_DIR=&quot;/boot/loader/entries&quot;
    BOOT_DIR_ABS=&quot;/boot&quot;
    LOADER_ENTRY=&quot;$BLS_DIR/${MACHINE_ID}-0-rescue.conf&quot;
    KERNEL=&quot;vmlinuz-0-rescue-${MACHINE_ID}&quot;
    INITRD=&quot;initramfs-0-rescue-${MACHINE_ID}.img&quot;
fi

ret=0

case &quot;$COMMAND&quot; in
    add)
        [[ -f &quot;$LOADER_ENTRY&quot; ]] &amp;&amp; [[ -f &quot;$BOOT_DIR_ABS/$KERNEL&quot; ]] \
            &amp;&amp; [[ -f &quot;$BOOT_DIR_ABS/$INITRD&quot; ]] &amp;&amp; exit 0

        # source our config dir
        for f in $(dropindirs_sort &quot;.conf&quot; &quot;/etc/dracut.conf.d&quot; &quot;/usr/lib/dracut/dracut.conf.d&quot;); do
            [[ -e $f ]] &amp;&amp; . &quot;$f&quot;
        done

        [[ $dracut_rescue_image != &quot;yes&quot; ]] &amp;&amp; exit 0

        [[ -d &quot;$BOOT_DIR_ABS&quot; ]] || mkdir -p &quot;$BOOT_DIR_ABS&quot;

        if ! cp &quot;$KERNEL_IMAGE&quot; &quot;$BOOT_DIR_ABS/$KERNEL&quot;; then
            echo &quot;Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/$KERNEL'!&quot; &gt;&amp;2
        fi

        HMAC=&quot;.${KERNEL}.hmac&quot;

        KERNEL_DIR=&quot;${KERNEL_IMAGE%/*}&quot;
        KERNEL_FILE=&quot;${KERNEL_IMAGE##*/}&quot;

        HMAC_FILE=&quot;${KERNEL_DIR}/.${KERNEL_FILE}.hmac&quot;

        if ! sed -E &quot;s/([0-9a-f]+)(\s+).*$/\1\2${KERNEL}/&quot; &quot;$HMAC_FILE&quot; &gt; &quot;$BOOT_DIR_ABS/$HMAC&quot;; then
            echo &quot;Can't create '$BOOT_DIR_ABS/$HMAC' from '$HMAC_FILE'!&quot; &gt;&amp;2
        fi

        if [[ ! -f &quot;$BOOT_DIR_ABS/$INITRD&quot; ]]; then
            dracut -f --no-hostonly -a &quot;rescue&quot; &quot;$BOOT_DIR_ABS/$INITRD&quot; &quot;$KERNEL_VERSION&quot;
            ((ret+=$?))
        fi

        if [[ &quot;${BOOT_DIR_ABS}&quot; != &quot;/boot&quot; ]]; then
            {
                echo &quot;title      $PRETTY_NAME - Rescue Image&quot;
                echo &quot;version    $KERNEL_VERSION&quot;
                echo &quot;machine-id $MACHINE_ID&quot;
                echo &quot;options    ${BOOT_OPTIONS[@]} rd.auto=1&quot;
                echo &quot;linux      $BOOT_DIR/linux&quot;
                echo &quot;initrd     $BOOT_DIR/initrd&quot;
            } &gt; $LOADER_ENTRY
        else
            if [[ -e &quot;${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf&quot; ]]; then
                cp -aT &quot;${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf&quot; $LOADER_ENTRY
            else
                cp -aT &quot;${KERNEL_IMAGE%/*}/bls.conf&quot; $LOADER_ENTRY
            fi
            sed -i 's/'$KERNEL_VERSION'/0-rescue-'${MACHINE_ID}'/' $LOADER_ENTRY
        fi

        ((ret+=$?))
        ;;

    remove)
        exit 0
        ;;

    *)
        usage
        ret=1;;
esac

exit $ret
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