anchor.diff:  , libXrender
   , libglvnd
   , libpulseaudio
  +, perl
   , zlib
   , udev # for libudev
   }:
  
positive.code:     libXrender
      libglvnd
      libpulseaudio
      zlib
      udev
    ];
  
negative.code:       categories = [ "Game" ];
      })
    ];
  
    # patch shebangs so that e.g. the fake-editor script works:
    # error: /usr/bin/env 'perl': No such file or directory
    # error: There was a problem with the editor
    postPatch = ''
      patchShebangs scripts
    '';
  
    buildPhase = ''
      runHook preBuild
  