anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "swell-foop";
  -  version = "41.0.1";
  +  version = "41.1";
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    sha256 = "YEL/MTxsh9VkgnxwNpazsgkTbD/Dn+Jkpu+k4wWTg9g=";
  +    sha256 = "JD96VeXnU6UQhu7CVoMg12ktWxWmanI6tZFwXg2O9t0=";
     };
   
     nativeBuildInputs = [
  
positive.code:     homepage = "https://wiki.gnome.org/Apps/Swell%20Foop";
      description = "Puzzle game, previously known as Same GNOME";
      maintainers = teams.gnome.members;
      license = licenses.gpl2;
      platforms = platforms.linux;
    };
  }
  
negative.code:     glib
      gtk3
      libgnome-games-support
      clutter
      clutter-gtk
    ];
  