anchor.diff:  }:
     stdenv.mkDerivation rec {
       pname = "waybar";
  -    version = "0.9.4";
  +    version = "0.9.5";
   
       src = fetchFromGitHub {
         owner = "Alexays";
         repo = "Waybar";
         rev = version;
  -      sha256 = "038vnma7y7z81caywp45yr364bc1aq8d01j5vycyiyfv33nm76fy";
  +      sha256 = "1kzrgqaclfk6gcwhknxn28xl74gm5swipgn8kk8avacb4nsw1l9q";
       };
   
       nativeBuildInputs = [
  
positive.code:       {
          dbusmenu-gtk = traySupport;
          pulseaudio = pulseSupport;
          libnl = nlSupport;
          libudev = udevSupport;
          mpd = mpdSupport;
  
negative.code: , howard-hinnant-date, cmake
  , traySupport  ? true,  libdbusmenu-gtk3
  , pulseSupport ? true,  libpulseaudio
  , sndioSupport ? true,  sndio
  , nlSupport    ? true,  libnl
  , udevSupport  ? true,  udev
  , swaySupport  ? true,  sway
  