#!/bin/bash

if [[ ! -x /sbin/new-kernel-pkg ]]; then

    return 0

fi

COMMAND="$1"

KERNEL_VERSION="$2"

BOOT_DIR_ABS="$3"

KERNEL_IMAGE="$4"

KERNEL_DIR="${KERNEL_IMAGE%/*}"

[[ "$KERNEL_VERSION" == *\+* ]] && flavor=-"${KERNEL_VERSION##*+}"

case "$COMMAND" in

    add)

        if [[ "${KERNEL_DIR}" != "/boot" ]]; then

            for i in \

                "$KERNEL_IMAGE" \

                    "$KERNEL_DIR"/System.map \

                    "$KERNEL_DIR"/config \

                    "$KERNEL_DIR"/zImage.stub \

                    "$KERNEL_DIR"/dtb \

                ; do

                [[ -e "$i" ]] || continue

                cp -aT "$i" "/boot/${i##*/}-${KERNEL_VERSION}"

                command -v restorecon &>/dev/null && \

                    restorecon -R "/boot/${i##*/}-${KERNEL_VERSION}"

            done

            # hmac is .vmlinuz-<version>.hmac so needs a special treatment

            i="$KERNEL_DIR/.${KERNEL_IMAGE##*/}.hmac"

            if [[ -e "$i" ]]; then

                cp -a "$i" "/boot/.${KERNEL_IMAGE##*/}-${KERNEL_VERSION}.hmac"

                command -v restorecon &>/dev/null && \

                    restorecon "/boot/.${KERNEL_IMAGE##*/}-${KERNEL_VERSION}.hmac"

            fi

        fi

        /sbin/new-kernel-pkg --package "kernel${flavor}" --install "$KERNEL_VERSION" || exit $?

        /sbin/new-kernel-pkg --package "kernel${flavor}" --mkinitrd --dracut --depmod --update "$KERNEL_VERSION" || exit $?

        /sbin/new-kernel-pkg --package "kernel${flavor}" --rpmposttrans "$KERNEL_VERSION" || exit $?

        ;;

    remove)

        /sbin/new-kernel-pkg --package "kernel${flavor+-$flavor}" --rminitrd --rmmoddep --remove "$KERNEL_VERSION" || exit $?

        ;;

    *)

        ;;

esac

# skip other installation plugins, if we can't find a boot loader spec conforming setup

if ! [[ -d /boot/loader/entries || -L /boot/loader/entries ]]; then

    exit 77 

fi