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pi_bridge

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BEAM runtime bridge for pi development agents

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pi_bridge lib pi supervisor install.ex
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lib/pi/supervisor/install.ex 

defmodule Pi.Supervisor.Install do

  @moduledoc false



  def start_link(module, opts) do

    DynamicSupervisor.start_link(module, opts, name: module)

  end



  def ensure(module) do

    case dynamic(module) do

      :ok -> :ok

      {:ok, _pid} -> :ok

      {:error, {:already_started, _pid}} -> :ok

      error -> error

    end

  end



  def dynamic(module) do

    case Process.whereis(module) do

      nil ->

        case module.start_link([]) do

          {:ok, pid} ->

            Process.unlink(pid)

            {:ok, pid}



          other ->

            other

        end



      _pid ->

        :ok

    end

  end

end