anchor.diff:  
       homepage = https://wiki.gnome.org/action/show/Apps/DFeet;
       platforms = stdenv.lib.platforms.all;
  +    license = stdenv.lib.licenses.gpl2;
       maintainers = with stdenv.lib.maintainers; [ ktosiek ];
     };
   }
  
positive.code: 
    src = fetchurl {
      url = "mirror://gnome/sources/d-feet/${major}/d-feet-${version}.tar.xz";
      sha256 = "0lvrrbxkvw495jn4vj64r8vd3hng5v0lvagfzcbk5x1f3ky1gybd";
    };
  
    buildInputs = [
  
negative.code: , pygobject3, gobjectIntrospection, libwnck3 }:
  
  let
    version = "${major}.10";
    major = "0.3";
  in
  
  