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

    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

    sudo -u ris bash -c '
        touch -c /home/ris/.local/share/applications
        update-desktop-database -q /home/ris/.local/share/applications 2>/dev/null || true
        gtk-update-icon-cache -q -t /home/ris/.local/share/icons/hicolor 2>/dev/null || true
    '
}

post_upgrade() {
    post_install
}

post_remove() {
    sudo -u ris bash -c '
        update-desktop-database -q /home/ris/.local/share/applications 2>/dev/null || true
        gtk-update-icon-cache -q -t /home/ris/.local/share/icons/hicolor 2>/dev/null || true
    '
}