Merge branch 'master' of github.com:rails/rails

4 files changed, 50 insertions, 10 deletions

diff --git a/railties/lib/rails.rb b/railties/lib/rails.rb
index ecd8c22dd8..e7172e491f 100644
--- a/railties/lib/rails.rb
+++ b/railties/lib/rails.rb
@@ -29,7 +29,13 @@ module Rails
   autoload :WelcomeController
 
   class << self
-    attr_accessor :application, :cache, :logger
+    @application = @app_class = nil
+
+    attr_writer :application
+    attr_accessor :app_class, :cache, :logger
+    def application
+      @application ||= (app_class.instance if app_class)
+    end
 
     delegate :initialize!, :initialized?, to: :application
 
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index c5fd08e743..61639be7c6 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -87,7 +87,15 @@ module Rails
     class << self
       def inherited(base)
         super
-        base.instance
+        Rails.app_class = base
+      end
+
+      def instance
+        super.run_load_hooks!
+      end
+
+      def create(initial_variable_values = {}, &block)
+        new(initial_variable_values, &block).run_load_hooks!
       end
 
       # Makes the +new+ method public.
@@ -116,24 +124,33 @@ module Rails
       @ordered_railties  = nil
       @railties          = nil
       @message_verifiers = {}
+      @ran_load_hooks    = false
 
-      Rails.application ||= self
+      # are these actually used?
+      @initial_variable_values = initial_variable_values
+      @block = block
 
       add_lib_to_load_path!
+    end
+
+    # Returns true if the application is initialized.
+    def initialized?
+      @initialized
+    end
+
+    def run_load_hooks! # :nodoc:
+      return self if @ran_load_hooks
+      @ran_load_hooks = true
       ActiveSupport.run_load_hooks(:before_configuration, self)
 
-      initial_variable_values.each do |variable_name, value|
+      @initial_variable_values.each do |variable_name, value|
         if INITIAL_VARIABLES.include?(variable_name)
           instance_variable_set("@#{variable_name}", value)
         end
       end
 
-      instance_eval(&block) if block_given?
-    end
-
-    # Returns true if the application is initialized.
-    def initialized?
-      @initialized
+      instance_eval(&@block) if @block
+      self
     end
 
     # Implements call according to the Rack API. It simply
diff --git a/railties/lib/rails/generators/actions.rb b/railties/lib/rails/generators/actions.rb
index a239874df0..4709914947 100644
--- a/railties/lib/rails/generators/actions.rb
+++ b/railties/lib/rails/generators/actions.rb
@@ -7,6 +7,7 @@ module Rails
       def initialize(*) # :nodoc:
         super
         @in_group = nil
+        @after_bundle_callbacks = []
       end
 
       # Adds an entry into +Gemfile+ for the supplied gem.
@@ -232,6 +233,16 @@ module Rails
         log File.read(find_in_source_paths(path))
       end
 
+      # Registers a callback to be executed after bundle and spring binstubs
+      # have run.
+      #
+      #   after_bundle do
+      #     git add: '.'
+      #   end
+      def after_bundle(&block)
+        @after_bundle_callbacks << block
+      end
+
       protected
 
         # Define log for backwards compatibility. If just one argument is sent,
diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb
index 188e62b6c8..9110c129d1 100644
--- a/railties/lib/rails/generators/rails/app/app_generator.rb
+++ b/railties/lib/rails/generators/rails/app/app_generator.rb
@@ -259,6 +259,12 @@ module Rails
       public_task :apply_rails_template, :run_bundle
       public_task :generate_spring_binstubs
 
+      def run_after_bundle_callbacks
+        @after_bundle_callbacks.each do |callback|
+          callback.call
+        end
+      end
+
     protected
 
       def self.banner