anchor.diff:  
     meta = with stdenv.lib; {
       description = "Messaging and emailing app that combines common web applications into one";
  -    homepage = https://rambox.pro;
  +    homepage = "https://rambox.pro";
       license = licenses.unfree;
       maintainers = with maintainers; [ chrisaw ];
       platforms = [ "i686-linux" "x86_64-linux" ];
  
positive.code: 
    src = fetchurl {
      url = "https://github.com/ramboxapp/download/releases/download/v${version}/RamboxPro-${version}-linux-x64.tar.gz";
      sha256 = "1zzlfk86gzg20qapqz9s8p9vmak8vj1smkwn9yrzs2yisfqh0gpc";
    };
  
    installPhase = ''
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "rambox-pro";
    version = "1.3.1";
  
    dontBuild = true;
    dontStrip = true;
  