{ mkDerivation, base, bifunctors, containers, deque, either, extra
, fetchurl, free, microlens, microlens-th, mtl, multistate, pretty
, transformers, unsafe, void
}:
mkDerivation {
  pname = "butcher";
  version = "1.2.1.0";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base bifunctors containers deque either extra free microlens
    microlens-th mtl multistate pretty transformers unsafe void
  ];
  homepage = "https://github.com/lspitzner/butcher/";
  description = "Chops a command or program invocation into digestable pieces";
  license = stdenv.lib.licenses.bsd3;
}