anchor.diff:      homepage = "https://wiki.gnome.org/Apps/Iagno";
       description = "Computer version of the game Reversi, more popularly called Othello";
       maintainers = teams.gnome.members;
  -    license = licenses.gpl2;
  +    license = licenses.gpl3Plus;
       platforms = platforms.linux;
     };
   }
  
positive.code:     sha256 = "1fh2cvyqbz8saf2wij0bz2r9bja2k4gy6fqvbvig4gv0lx66gl29";
    };
  
    nativeBuildInputs = [
      meson ninja python3 vala desktop-file-utils
      pkgconfig wrapGAppsHook itstool libxml2
    ];
    buildInputs = [ gtk3 gnome3.adwaita-icon-theme gdk-pixbuf librsvg gsound ];
  
    enableParallelBuilding = true;
  
    passthru = {
      updateScript = gnome3.updateScript {
  
negative.code: { stdenv
  , fetchurl
  , fetchpatch
  , pkg-config
  , gtk3
  , gnome3
  , gdk-pixbuf
  , librsvg
  , wrapGAppsHook
  , itstool
  , gsound
  , libxml2
  , meson
  , ninja
  , python3
  , vala
  , desktop-file-utils
  }:
  
  stdenv.mkDerivation rec {
  