anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "waybar";
  -  version = "0.9.7";
  +  version = "0.9.8";
   
     src = fetchFromGitHub {
       owner = "Alexays";
       repo = "Waybar";
       rev = version;
  -    sha256 = "17cn4d3dx92v40jd9vl41smp8hh3gf5chd1j2f7l1lrpfpnllg5x";
  +    sha256 = "sha256-XOguhbvlO3iUyk5gWOvimipXV8yqnia0LKoSA1wiKoE=";
     };
   
     nativeBuildInputs = [
  
positive.code: , stdenv
  , fetchFromGitHub
  , meson
  , pkg-config
  , ninja
  , wrapGAppsHook
  
negative.code:   strictDeps = false;
  
    buildInputs = with lib;
      [ wayland wlroots gtkmm3 libsigcxx jsoncpp fmt spdlog gtk-layer-shell howard-hinnant-date libxkbcommon ]
      ++ optional  traySupport  libdbusmenu-gtk3
      ++ optional  pulseSupport libpulseaudio
      ++ optional  sndioSupport sndio
      ++ optional  nlSupport    libnl
      ++ optional  udevSupport  udev
      ++ optional  evdevSupport libevdev
      ++ optional  swaySupport  sway
      ++ optional  mpdSupport   libmpdclient;
  
  