anchor.diff:  
   buildGoModule rec {
     pname = "hugo";
  -  version = "0.71.1";
  +  version = "0.72.0";
   
     buildInputs = [ libsass ];
   
  
positive.code:       '';
      });
  
    vendorSha256 = "1fz1wvw0jy3rj6pl1w6vpr0xr1v8pnpf76bwdalacqy6r85lxmkl";
  
    buildFlags = [ "-tags" "extended" ];
  
  
negative.code:     owner = "gohugoio";
      repo = pname;
      rev = "v${version}";
      sha256 = "05parzx0wm51z4qkvh4k096ykgiyr9i5xy55c0g99j4y96drcybb";
    };
  
    golibsass = fetchFromGitHub {
  