#!/usr/bin/bash

if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then

    exit 0

fi

COMMAND="$1"

KERNEL_VERSION="$2"

BOOT_DIR_ABS="$3"

# If $BOOT_DIR_ABS exists, some other boot loader is active.

[[ -d "$BOOT_DIR_ABS" ]] && exit 0

run_hooks()

{

    local f

    local files="$1"

    for f in $files ; do

        [ -x "$f" ] || continue

        "$f" "$KERNEL_VERSION" "/boot/vmlinuz-$KERNEL_VERSION"

    done

}

case "$COMMAND" in

    add)

        run_hooks "/etc/kernel/postinst.d/*[^~] /etc/kernel/postinst.d/$KERNEL_VERSION/*[^~]"

        ;;

    remove)

        run_hooks "/etc/kernel/prerm.d/*[^~] /etc/kernel/prerm.d/$KERNEL_VERSION/*[^~]"

        ;;

    *)

        exit 0

esac