class RakeCompilerDock::DockerCheck

def b2d_start
  @b2d_start_text = `boot2docker start` rescue SystemCallError
  @b2d_start_status = $?.exitstatus
  @b2d_start_envset = false
  if @b2d_start_status == 0
    io.puts @b2d_start_text
    if set_env(@b2d_start_text)
      @b2d_start_envset = true
      io.puts yellow("Using above environment variables for starting #{machine_name}.")
    end
  end
end