anchor.diff: -{ stdenv, pythonPackages, fetchurl, gettext }:
  +{ stdenv
  +, pythonPackages
  +, fetchurl
  +, gettext
  +, gobject-introspection
  +, wrapGAppsHook
  +, glib
  +, gtk3
  +, libnotify
  +}:
  +
   pythonPackages.buildPythonApplication rec {
     pname = "bleachbit";
     version = "3.0";
  
positive.code: 
    dontBuild = true;
  
    installFlags = [ "prefix=${placeholder "out"}" ];
  
    propagatedBuildInputs = with pythonPackages; [ pygtk ];
  
    meta = {
      homepage = http://bleachbit.sourceforge.net;
      description = "A program to clean your computer";
      longDescription = "BleachBit helps you easily clean your computer to free space and maintain privacy.";
      license = stdenv.lib.licenses.gpl3;
      maintainers = with stdenv.lib.maintainers; [ leonardoce ];
    };
  }
  
negative.code:     sha256 = "18ns9hms671b4l0189m1m2agprkydnpvyky9q2f5hxf35i9cn67d";
    };
  
    nativeBuildInputs = [
      gettext
      gobject-introspection
      wrapGAppsHook
    ];
  
    buildInputs = [
      glib
      gtk3
      libnotify
    ];
  
    propagatedBuildInputs = with pythonPackages; [
      chardet
      pygobject3
      requests
      scandir
    ];
  
    # Patch the many hardcoded uses of /usr/share/ and /usr/bin
    postPatch = ''
  