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nerves_bootstrap

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Nerves mix integration bootstrap and new project generator

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nerves_bootstrap lib attic env.ex
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lib/attic/env.ex 

defmodule Mix.Tasks.Nerves.Env do

  @moduledoc deprecated: "Tasks from :nerves should be used instead"

  use Mix.Task

  import Mix.Nerves.IO



  @switches [info: :boolean, disable: :boolean]



  @impl Mix.Task

  def run(argv) do

    debug_info("Env Start")

    {opts, _, _} = OptionParser.parse(argv, switches: @switches)



    if opts[:disable] do

      # This is the same code as Nerves.Env.disable/0, but I can't call that

      # because we're about to load it immediately below. I also can't call it

      # after it's loaded below because the act of compiling the nerves dep

      # calls deps.precompile, which causes the system to get compiled unless

      # Nerves.Env is disabled, which is what I'm trying to do here. :&

      # This could probably be solved by moving Nerves.Env into nerves_bootstrap

      System.put_env("NERVES_ENV_DISABLED", "1")

    else

      System.delete_env("NERVES_ENV_DISABLED")

    end



    # Ensure Nerves is compiled and bootstrapped in

    # If it was already run, this is a noop

    Mix.Task.run("nerves.bootstrap")



    Nerves.Env.start()

    debug_info("Env End")

    if opts[:info], do: print_env()

  end



  defp print_env() do

    System.put_env("NERVES_DEBUG", "1")

    debug_info("Environment Package List")



    case Nerves.Env.packages() do

      [] -> Mix.shell().info("  No packages found")

      packages -> Enum.each(packages, &print_pkg/1)

    end



    Mix.Tasks.Nerves.Loadpaths.run([])

  end



  defp print_pkg(pkg) do

    Mix.shell().info("""

      Pkg:         #{pkg.app}

      Vsn:         #{pkg.version}

      Type:        #{pkg.type}

      BuildRunner: #{inspect(pkg.build_runner)}

    """)

  end

end