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Filename : 85-initrd.install

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#!/bin/sh
set -eu
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

COMMAND="$1"
KERNEL_VERSION="$2"
BOOT_DIR_ABS="$3"

INITRD_SRC="/boot/initrd.img-$KERNEL_VERSION"
INITRD_DEST="$BOOT_DIR_ABS/initrd"

if [ "$COMMAND" = remove ]; then
    rm -f "$INITRD_DEST"
    exit 0
fi

if [ "$COMMAND" != add ]; then
    echo "Invalid command $COMMAND" >&2
    exit 1
fi

if [ -e "$INITRD_SRC" ];then
    cp "$INITRD_SRC" "$INITRD_DEST"
else
    echo "$INITRD_SRC does not exist, not installing an initrd"
fi

exit 0