anchor.diff:    enableParallelBuilding = true;
   
     installFlags = [
  -    "sysconfdir=\${out}/etc"
  +    "sysconfdir=${placeholder "out"}/etc"
       "localstatedir=\${TMPDIR}"
     ];
   
  
positive.code:     owner = "hughsie";
      repo = "PackageKit";
      rev = "PACKAGEKIT_${lib.replaceStrings ["."] ["_"] version}";
      sha256 = "02wq3jw3mkdld90irh5vdfd5bri2g1p89mhrmj56kvif1fqak46x";
    };
  
    buildInputs = [ glib polkit python3 gobject-introspection ]
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "packagekit";
    version = "1.1.13";
  
    outputs = [ "out" "dev" ];
  
  