       version: "0.1.1",
       elixir: "~> 1.9",
       start_permanent: Mix.env() == :prod,
+      aliases: aliases(),
       deps: deps(),
       docs: docs(),
       escript: escript()

      name: "track"
    ]
  end
end

  def application do
    [
      extra_applications: [:logger]
    ]
  end

  defp aliases do
    [
      "escript.build": ["touch_version", "escript.build"],
      "escript.install": ["touch_version", "escript.install"],
      touch_version: &touch_version/1
    ]
  end

