Install

with import <nixpkgs> {};
fetchSubmodules = true;
let
  tcrdd = callPackage (fetchFromGitHub {
    owner = "FaustXVI";
    repo = "tcrdd";
    fetchSubmodules = true;
    rev= "...";
    sha256 = "...";
  }) {};
in stdenv.mkDerivation {
    name = "...";
    buildInputs = [
        tcrdd
    ];
}

Usage

tcrdd.sh [options...] testCommand [arguments...]

Please type tcrdd.sh -h for an up-to-date list of options.