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nerves_bootstrap

1.4.0
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Nerves mix integration bootstrap and new project generator

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nerves_bootstrap mix.exs
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mix.exs 

defmodule Nerves.Bootstrap.Mixfile do

  use Mix.Project



  def project do

    [

      app: :nerves_bootstrap,

      version: "1.4.0",

      elixir: "~> 1.8",

      aliases: aliases(),

      xref: [exclude: [Nerves.Env, Nerves.Artifact]],

      docs: [extras: ["README.md"], main: "readme"],

      description: description(),

      package: package(),

      deps: deps()

    ]

  end



  def application do

    [

      extra_applications: [],

      mod: {Nerves.Bootstrap, []}

    ]

  end



  def aliases do

    [

      "compile.elixir": [&unload_bootstrap/1, "compile.elixir"],

      run: [&unload_bootstrap/1, "run"],

      install: [

        "archive.build -o nerves_bootstrap.ez",

        "archive.install nerves_bootstrap.ez --force"

      ]

    ]

  end



  defp deps do

    [

      {:ex_doc, "~> 0.19", only: [:dev, :test], runtime: false}

    ]

  end



  defp description do

    "Nerves mix integration bootstrap and new project generator"

  end



  defp package do

    [

      maintainers: ["Justin Schneck", "Frank Hunleth", "Greg Mefford"],

      files: ["lib", "LICENSE", "mix.exs", "README.md", "test", "templates"],

      licenses: ["Apache 2.0"],

      links: %{"Github" => "https://github.com/nerves-project/nerves_bootstrap"}

    ]

  end



  defp unload_bootstrap(_) do

    Application.stop(:nerves_bootstrap)

    paths = Path.wildcard(Path.join(archives_path(), "nerves_bootstrap*"))



    Enum.each(paths, fn archive ->

      ebin = archive_ebin(archive)

      Code.delete_path(ebin)



      {:ok, files} = ebin |> :unicode.characters_to_list() |> :erl_prim_loader.list_dir()



      Enum.each(files, fn file ->

        file = List.to_string(file)

        size = byte_size(file) - byte_size(".beam")



        case file do

          <<name::binary-size(size), ".beam">> ->

            module = String.to_atom(name)

            :code.delete(module)

            :code.purge(module)



          _ ->

            :ok

        end

      end)

    end)

  end



  defp archives_path do

    if function_exported?(Mix.Local, :path_for, 1),

      do: Mix.Local.path_for(:archive),

      else: Mix.Local.archives_path()

  end



  defp archive_ebin(archive) do

    if function_exported?(Mix.Local, :archive_ebin, 1),

      do: Mix.Local.archive_ebin(archive),

      else: Mix.Archive.ebin(archive)

  end

end