anchor.diff:      ln -s $out/${python3.sitePackages}/etc $out/etc
   
       glib-compile-schemas --strict $out/share/glib-2.0/schemas
  +  '';
   
  +  preFixup = ''
       gappsWrapperArgs+=(
         --prefix PATH : ${lib.makeBinPath [ procps xautolock xscreensaver xfce.xfconf xset ]}
       )
  +    makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
     '';
   
     meta = with lib; {
  
positive.code:   buildInputs = [
      libappindicator-gtk3
      libnotify
      gobject-introspection
      gtk3
    ];
  
  
negative.code:   ];
  
    doCheck = false; # There are no tests.
    dontWrapGApps = true;
    strictDeps = false;
  
    postInstall = ''
      cp -r share $out/
  