anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "navidrome";
  -  version = "0.40.0";
  +  version = "0.42.1";
   
     src = fetchurl {
       url = "https://github.com/deluan/navidrome/releases/download/v${version}/navidrome_${version}_Linux_x86_64.tar.gz";
  -    sha256 = "sha256-sBITCHyji55OnopNlDCNypSf/j8LKtarSGPYz5fQZys=";
  +    sha256 = "1bndqs689rc7pf1l08rlph8h3f86kr1c7i96szs4wkycfy9w8vsv";
     };
   
     nativeBuildInputs = [ makeWrapper ];
  
positive.code:   '';
  
    installPhase = ''
       mkdir -p $out/bin
       cp navidrome $out/bin
    '';
  
    postFixup = ''
  
negative.code:   meta = {
      description = "Navidrome Music Server and Streamer compatible with Subsonic/Airsonic";
      homepage = "https://www.navidrome.org/";
      license = licenses.gpl3Only;
      platforms = [ "x86_64-linux" ];
      maintainers = with maintainers; [ aciceri ];
    };
  