anchor.diff:  { mkDerivation
   , cmake
   , fetchFromGitLab
  +, nix-update-script
   , gst_all_1
   , lib
   , libpulseaudio
  
positive.code:     qtWrapperArgs+=(--prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "$GST_PLUGIN_SYSTEM_PATH_1_0")
    '';
  
    meta = with lib; {
      description = "Sayonara music player";
      homepage = "https://sayonara-player.com/";
  
negative.code: , qttools
  , taglib
  , zlib
  , python3
  }:
  
  let
    py = python3.withPackages (ps: with ps; [
      pydbus
    ]);
  in
  mkDerivation rec {
    pname = "sayonara";
    version = "1.6.0-beta7";
  
    src = fetchFromGitLab {
      owner = "luciocarreras";
      repo = "sayonara-player";
      rev = version;
      sha256 = "14svszfldx32vn937rszd21rgl31vb5kzs0hnrg41ygx0br61rvd";
    };
  
    nativeBuildInputs = [ cmake ninja pkg-config qttools ];
  