anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , fetchFromGitHub
   , gdk-pixbuf
   , gtk-engine-murrine
  
positive.code:   meta = with lib; {
      description = "Marwaita GTK theme with Peppermint Os Linux style";
      homepage = "https://www.pling.com/p/1399569/";
      license = licenses.gpl3;
      platforms = platforms.unix;
      maintainers = [ maintainers.romildo ];
    };
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "marwaita-peppermint";
    version = "10.3";
  
    src = fetchFromGitHub {
      owner = "darkomarko42";
      repo = pname;
      rev = version;
      sha256 = "09lqp82aymj3silpwmjkkf4mgv3b1xw7181ck89lz2nxb98sr9im";
    };
  
    buildInputs = [
  