anchor.diff:  
       license = licenses.epl10;
       platforms = platforms.unix;
  -    maintainers = [ maintainers.the-kenny ];
  +    maintainers = [ maintainers.the-kenny maintainers.havvy ];
     };
   }
  
positive.code:     done
  
      substituteInPlace $out/bin/mix \
            --replace "/usr/bin/env elixir" "${coreutils}/bin/env $out/bin/elixir"
    '';
  
    meta = with stdenv.lib; {
  
negative.code: { stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils, curl, bash }:
  
  let
    version = "1.1.1";
  in
  stdenv.mkDerivation {
    name = "elixir-${version}";
  
    src = fetchurl {
      url = "https://github.com/elixir-lang/elixir/archive/v${version}.tar.gz";
      sha256 = "0shh5brhcrvbvhl4bw0fs2y5llw7i97khkkglygx30ncvd7nwz9v";
    };
  
    buildInputs = [ erlang rebar makeWrapper ];
  