post_install() {
    TARGET_DIR="/home/ris/Games/DOS/Perestrojka"
    CONFIG_SRC="/home/ris/.config/dosbox/dosbox-staging.conf"
    CONFIG_DST="$TARGET_DIR/dosbox-staging.conf"

    if [ -f "$CONFIG_SRC" ]; then
        cp "$CONFIG_SRC" "$CONFIG_DST"
    else
        echo "UPOZORNĚNÍ: Zdrojový soubor $CONFIG_SRC nebyl nalezen!"
    fi

    sed -i 's/^output.*/output = opengl/' "$CONFIG_DST"
    sed -i 's/^texture_renderer.*/texture_renderer = auto/' "$CONFIG_DST"
    if grep -qE "QEMU|KVM" /sys/class/dmi/id/sys_vendor 2>/dev/null; then
        sed -i 's/^output.*/output = texture/' "$CONFIG_DST"
        sed -i 's/^texture_renderer.*/texture_renderer = software/' "$CONFIG_DST"
    fi
    sed -i 's/^shader.*/shader = sharp/' "$CONFIG_DST"
    chown -R ris:ris "$TARGET_DIR"
    #/home/ris/.local/share/applications/perestrojka.desktop
}