anchor.diff:  , libxml2
   , dbus
   , gdk-pixbuf
  +, harfbuzz
   , makeWrapper
   , which
   , xvfb_run
  
positive.code:     url = "mirror://gnome/sources/gjs/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "1vqsmzy2wmyhmq37y2c6jl0wq4xnicf0z7k6jaxn3aw11sh783ph";
    };
  
    outputs = [ "out" "dev" "installedTests" ];
  
  
negative.code:   mesonFlags = [
      "-Dprofiler=disabled"
      "-Dinstalled_test_prefix=${placeholder "installedTests"}"
    ];
  
    doCheck = true;
  