dockerize_elixir

defmodule DockerizeElixir.Git do
  def user_email() do
    case System.cmd("git", ["config", "user.email"]) do
      {output, 0} ->
        case String.split(output, "\n") do
          ["", ""] -> :error
          [email, ""] -> {:ok, email}
        end

      _ ->
        :error
    end
  end
end