{ lib, stdenv, fetchpatch, fetchFromGitHub, cmake, gmp, mpfr, python3
, jemalloc, ninja, makeWrapper }:

stdenv.mkDerivation {
  pname = "lean2";
  version = "2018-10-01";

  src = fetchFromGitHub {
    owner  = "leanprover";
    repo   = "lean2";
    rev    = "8072fdf9a0b31abb9d43ab894d7a858639e20ed7";
    sha256 = "12bscgihdgvaq5xi0hqf5r4w386zxm3nkx1n150lv5smhg8ga3gg";
  };

  patches = [
    # https://github.com/leanprover/lean2/pull/13
    (fetchpatch {
      name = "lean2-fix-compilation-error.patch";
      url = "https://github.com/collares/lean2/commit/09b316ce75fd330b3b140d138bcdae2b0e909234.patch";
      sha256 = "060mvqn9y8lsn4l20q9rhamkymzsgh0r1vzkjw78gnj8kjw67jl5";
    })
  ];
  nativeBuildInputs = [ cmake makeWrapper ninja ];
  buildInputs = [ gmp mpfr python3 jemalloc ];

  preConfigure = ''
    patchShebangs bin/leantags
    cd src
  '';

  cmakeFlags = [ "-GNinja" ];

  postInstall = ''
    wrapProgram $out/bin/linja --prefix PATH : $out/bin:${ninja}/bin
  '';

  meta = with lib; {
    description = "Automatic and interactive theorem prover (version with HoTT support)";
    homepage    = "http://leanprover.github.io";
    license     = licenses.asl20;
    platforms   = platforms.unix;
    maintainers = with maintainers; [ thoughtpolice gebner ];
    broken      = stdenv.isAarch64;
    mainProgram = "lean";
  };
}