case "$MODE" in
    commandline)
        add_option "kernel-sources" "`eval_gettext "Set kernel sources package, defaults to latest gentoo-sources"`" "advanced" "true"
        add_option "kernel-config-uri" "`eval_gettext "Set URI of custom kernel config"`" "advanced" "true"
        ;;
    configure)
        if [ -n "$option_kernel_sources_value" ] || [ -n "$KERNEL_SOURCES" ]; then
            KERNEL_SOURCES="${option_kernel_sources_value:-$KERNEL_SOURCES}"
        else
            KERNEL_SOURCES="gentoo-sources"
        fi
        if [ -n "$option_kernel_config_uri_value" ] || [ -n "$KERNEL_CONFIG_URI" ]; then
            KERNEL_CONFIG_URI="${option_kernel_config_uri_value:-$KERNEL_CONFIG_URI}"
        fi
        ;;
esac
