case "$MODE" in
    commandline)
        add_option "update-dev" "`eval_gettext "add a development mirror"`" "advanced" "true"
        ;;
    configure)
        if [ -n "$option_update_dev_value" ]; then
            UPDATE_DEV="$option_update_dev_value"
        fi
        ;;
    before-install)
    if [ "$DIST" = "smolensk" ]; then
        if [ "$UPDATE_DEV" = "" ]; then
            echo "Не указан путь к образу с обновлением <<ОС Astra Linux 1.6 smolensk-devel>>"
            exit 0
        else
            mkdir -p "$ROOT/media/update-dev"
            mount -o loop "$UPDATE_DEV" "$ROOT/media/update-dev" > /dev/null 2>&1
            UPDATE_DEV_MOUNT="deb file:///media/update-dev/ $DIST contrib main non-free"
        fi
    fi
        ;;
    after-install)
    if [ "$DIST" = "smolensk" ]; then
        echo "$UPDATE_DEV_MOUNT" >> "$ROOT/etc/apt/sources.list"
    fi    
    ;;
esac
