Make it an umbrella project

README.md

@@ -6,14 +6,14 @@
 
 If [available in Hex](https://hex.pm/docs/publish), the package can be installed as:
 
-  1. Add tetris to your list of dependencies in `mix.exs`:
+  1. Add  to your list of dependencies in `mix.exs`:
 
         def deps do
-          [{:tetris, "~> 0.0.1"}]
+          [{:, "~> 0.0.1"}]
         end
 
-  2. Ensure tetris is started before your application:
+  2. Ensure  is started before your application:
 
         def application do
-          [applications: [:tetris]]
+          [applications: [:]]
         end

apps/core/.gitignore

@@ -0,0 +1,5 @@
+/_build
+/cover
+/deps
+erl_crash.dump
+*.ez

apps/core/README.md

@@ -0,0 +1,19 @@
+# Core
+
+**TODO: Add description**
+
+## Installation
+
+If [available in Hex](https://hex.pm/docs/publish), the package can be installed as:
+
+  1. Add core to your list of dependencies in `mix.exs`:
+
+        def deps do
+          [{:core, "~> 0.0.1"}]
+        end
+
+  2. Ensure core is started before your application:
+
+        def application do
+          [applications: [:core]]
+        end

apps/core/config/config.exs

@@ -0,0 +1,30 @@
+# This file is responsible for configuring your application
+# and its dependencies with the aid of the Mix.Config module.
+use Mix.Config
+
+# This configuration is loaded before any dependency and is restricted
+# to this project. If another project depends on this project, this
+# file won't be loaded nor affect the parent project. For this reason,
+# if you want to provide default values for your application for
+# 3rd-party users, it should be done in your "mix.exs" file.
+
+# You can configure for your application as:
+#
+#     config :core, key: :value
+#
+# And access this configuration in your application as:
+#
+#     Application.get_env(:core, :key)
+#
+# Or configure a 3rd-party app:
+#
+#     config :logger, level: :info
+#
+
+# It is also possible to import configuration files, relative to this
+# directory. For example, you can emulate configuration per environment
+# by uncommenting the line below and defining dev.exs, test.exs and such.
+# Configuration from the imported file will override the ones defined
+# here (which is why it is important to import them last).
+#
+#     import_config "#{Mix.env}.exs"

apps/core/lib/core.ex

@@ -0,0 +1,19 @@
+defmodule Core do
+  use Application
+
+  # See http://elixir-lang.org/docs/stable/elixir/Application.html
+  # for more information on OTP Applications
+  def start(_type, _args) do
+    import Supervisor.Spec, warn: false
+
+    children = [
+      # Define workers and child supervisors to be supervised
+      # worker(Core.Worker, [arg1, arg2, arg3]),
+    ]
+
+    # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
+    # for other strategies and supported options
+    opts = [strategy: :one_for_one, name: Core.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+end

apps/core/mix.exs

@@ -0,0 +1,39 @@
+defmodule Core.Mixfile do
+  use Mix.Project
+
+  def project do
+    [app: :core,
+     version: "0.0.1",
+     deps_path: "../../deps",
+     lockfile: "../../mix.lock",
+     elixir: "~> 1.1-rc",
+     build_embedded: Mix.env == :prod,
+     start_permanent: Mix.env == :prod,
+     deps: deps]
+  end
+
+  # Configuration for the OTP application
+  #
+  # Type "mix help compile.app" for more information
+  def application do
+    [applications: [:logger],
+     mod: {Core, []}]
+  end
+
+  # Dependencies can be Hex packages:
+  #
+  #   {:mydep, "~> 0.3.0"}
+  #
+  # Or git/path repositories:
+  #
+  #   {:mydep, git: "https://github.com/elixir-lang/mydep.git", tag: "0.1.0"}
+  #
+  # To depend on another app inside the umbrella:
+  #
+  #   {:myapp, in_umbrella: true}
+  #
+  # Type "mix help deps" for more examples and options
+  defp deps do
+    []
+  end
+end

test/tetris_test.exs → apps/core/test/core_test.exs

@@ -1,6 +1,6 @@
-defmodule TetrisTest do
+defmodule CoreTest do
   use ExUnit.Case
-  doctest Tetris
+  doctest Core
 
   test "the truth" do
     assert 1 + 1 == 2

config/config.exs

@@ -2,29 +2,15 @@
 # and its dependencies with the aid of the Mix.Config module.
 use Mix.Config
 
-# This configuration is loaded before any dependency and is restricted
-# to this project. If another project depends on this project, this
-# file won't be loaded nor affect the parent project. For this reason,
-# if you want to provide default values for your application for
-# 3rd-party users, it should be done in your "mix.exs" file.
+# The configuration defined here will only affect the dependencies
+# in the apps directory when commands are executed from the umbrella
+# project. For this reason, it is preferred to configure each child
+# application directly and import its configuration, as done below.
+import_config "../apps/*/config/config.exs"
 
-# You can configure for your application as:
+# Sample configuration (overrides the imported configuration above):
 #
-#     config :tetris, key: :value
-#
-# And access this configuration in your application as:
-#
-#     Application.get_env(:tetris, :key)
-#
-# Or configure a 3rd-party app:
-#
-#     config :logger, level: :info
-#
-
-# It is also possible to import configuration files, relative to this
-# directory. For example, you can emulate configuration per environment
-# by uncommenting the line below and defining dev.exs, test.exs and such.
-# Configuration from the imported file will override the ones defined
-# here (which is why it is important to import them last).
-#
-#     import_config "#{Mix.env}.exs"
+#     config :logger, :console,
+#       level: :info,
+#       format: "$date $time [$level] $metadata$message\n",
+#       metadata: [:user_id]

mix.exs

@@ -2,21 +2,12 @@ defmodule Tetris.Mixfile do
   use Mix.Project
 
   def project do
-    [app: :tetris,
-     version: "0.0.1",
-     elixir: "~> 1.1-rc",
+    [apps_path: "apps",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
      deps: deps]
   end
 
-  # Configuration for the OTP application
-  #
-  # Type "mix help compile.app" for more information
-  def application do
-    [applications: [:logger]]
-  end
-
   # Dependencies can be Hex packages:
   #
   #   {:mydep, "~> 0.3.0"}
@@ -25,7 +16,10 @@ defmodule Tetris.Mixfile do
   #
   #   {:mydep, git: "https://github.com/elixir-lang/mydep.git", tag: "0.1.0"}
   #
-  # Type "mix help deps" for more examples and options
+  # Type "mix help deps" for more examples and options.
+  #
+  # Dependencies listed here are available only for this project
+  # and cannot be accessed from applications inside the apps folder
   defp deps do
     []
   end