anchor.diff:  with stdenv.lib;
   stdenv.mkDerivation rec {
     name = "mariadb-${version}";
  -  version = "10.1.17";
  +  version = "10.1.18";
   
     src = fetchurl {
       urls = map (n: "${n}/${name}/source/${name}.tar.gz") [
  
positive.code:       "http://mirror.jmu.edu/pub/mariadb"
      ];
      hashOutput = false;
      sha256 = "4ca45ac5e34418761868115ebc8c068d511fed08e283b2cac52559d63ba4aab5";
    };
  
    nativeBuildInputs = [
  
negative.code:     description = "An enhanced, drop-in replacement for MySQL";
      homepage    = https://mariadb.org/;
      license     = stdenv.lib.licenses.gpl2;
      maintainers = with stdenv.lib.maintainers; [ wkennington ];
      platforms   = stdenv.lib.platforms.all;
    };
  }
  