{ lib, pkgs }:
self: super: {
  yarn-lock =
    super.mkDerivation rec {
      pname = "yarn-lock";
      version = "0.4.0";
      # src = ../../haskell/yarn-lock;
      src = pkgs.fetchFromGitHub {
        owner = "Profpatsch";
        repo = "yarn-lock";
        rev = version;
        sha256 = "0r5ipyfpdmg9n9zv7q1knrlypv9q2l1x24j1sgibxy411b7r62wv";
      };
      license = lib.licenses.mit;
      buildDepends = with self; [ megaparsec protolude tasty-hunit tasty-th either neat-interpolation tasty-quickcheck ];
      buildTools = [ self.hpack ];
      preConfigure = ''hpack'';
    };
}