anchor.diff:      owner = "hadess";
       repo = "power-profiles-daemon";
       rev = version;
  -    sha256 = "sha256-qU9A9U2R3UioC7bo8Pc0IIsHIjghb6gsG4pTAg6tp9E=";
  +    sha256 = "sha256-2eMFPGVLwTBIlaB1zM3BzHrhydgBEm+kvx+VIZdUDPM=";
     };
   
     nativeBuildInputs = [
  
positive.code: in
  stdenv.mkDerivation rec {
    pname = "power-profiles-daemon";
    version = "0.11.1";
  
    outputs = [ "out" "devdoc" ];
  
  
negative.code:   mesonFlags = [
      "-Dsystemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
      "-Dgtk_doc=true"
      "-Dtests=true"
    ];
  
    doCheck = true;
  