1 files changed, 44 insertions, 0 deletions
diff --git a/railties/lib/rails/command/actions.rb b/railties/lib/rails/command/actions.rb
new file mode 100644
index 0000000000..cbb743346b
--- /dev/null
+++ b/railties/lib/rails/command/actions.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+module Rails
+  module Command
+    module Actions
+      # Change to the application's path if there is no <tt>config.ru</tt> file in current directory.
+      # This allows us to run <tt>rails server</tt> from other directories, but still get
+      # the main <tt>config.ru</tt> and properly set the <tt>tmp</tt> directory.
+      def set_application_directory!
+        Dir.chdir(File.expand_path("../..", APP_PATH)) unless File.exist?(File.expand_path("config.ru"))
+      end
+
+      def require_application_and_environment!
+        require ENGINE_PATH if defined?(ENGINE_PATH)
+
+        if defined?(APP_PATH)
+          require APP_PATH
+          Rails.application.require_environment!
+        end
+      end
+
+      if defined?(ENGINE_PATH)
+        def load_tasks
+          Rake.application.init("rails")
+          Rake.application.load_rakefile
+        end
+
+        def load_generators
+          engine = ::Rails::Engine.find(ENGINE_ROOT)
+          Rails::Generators.namespace = engine.railtie_namespace
+          engine.load_generators
+        end
+      else
+        def load_tasks
+          Rails.application.load_tasks
+        end
+
+        def load_generators
+          Rails.application.load_generators
+        end
+      end
+    end
+  end
+end