init.rb in plugins is here to stay

railties/lib/rails/engine.rb

@@ -109,13 +109,6 @@ def load_tasks
       config.generators.templates.unshift(*paths.lib.templates.to_a)
     end
 
-    initializer :load_lib_initializers do |app|
-      paths.lib.rails.initializers.to_a.sort.each do |initializer|
-        config = app.config
-        eval(File.read(initializer), binding, initializer)
-      end
-    end
-
     initializer :load_application_initializers do
       paths.config.initializers.to_a.sort.each do |initializer|
         load(initializer)

railties/lib/rails/engine/configuration.rb

@@ -14,25 +14,23 @@ def initialize(root=nil)
       def paths
         @paths ||= begin
           paths = Rails::Paths::Root.new(@root)
-          paths.app                    "app",                    :eager_load => true, :glob => "*"
-          paths.app.controllers        "app/controllers",        :eager_load => true
-          paths.app.helpers            "app/helpers",            :eager_load => true
-          paths.app.models             "app/models",             :eager_load => true
-          paths.app.mailers            "app/mailers",            :eager_load => true
-          paths.app.metals             "app/metal",              :eager_load => true
-          paths.app.views              "app/views",              :eager_load => true
-          paths.lib                    "lib",                    :load_path => true
-          paths.lib.rails              "lib/rails",              :glob => "**/*.rake"
-          paths.lib.rails.initializers "lib/rails/initializers", :glob => "**/*.rb"
-          paths.lib.tasks              "lib/tasks",              :glob => "**/*.rake"
-          paths.lib.templates          "lib/templates"
-          paths.config                 "config"
-          paths.config.initializers    "config/initializers",    :glob => "**/*.rb"
-          paths.config.locales         "config/locales",         :glob => "*.{rb,yml}"
-          paths.config.routes          "config/routes.rb"
-          paths.public                 "public"
-          paths.public.javascripts     "public/javascripts"
-          paths.public.stylesheets     "public/stylesheets"
+          paths.app                 "app",                 :eager_load => true, :glob => "*"
+          paths.app.controllers     "app/controllers",     :eager_load => true
+          paths.app.helpers         "app/helpers",         :eager_load => true
+          paths.app.models          "app/models",          :eager_load => true
+          paths.app.mailers         "app/mailers",         :eager_load => true
+          paths.app.metals          "app/metal",           :eager_load => true
+          paths.app.views           "app/views",           :eager_load => true
+          paths.lib                 "lib",                 :load_path => true
+          paths.lib.tasks           "lib/tasks",           :glob => "**/*.rake"
+          paths.lib.templates       "lib/templates"
+          paths.config              "config"
+          paths.config.initializers "config/initializers", :glob => "**/*.rb"
+          paths.config.locales      "config/locales",      :glob => "*.{rb,yml}"
+          paths.config.routes       "config/routes.rb"
+          paths.public              "public"
+          paths.public.javascripts  "public/javascripts"
+          paths.public.stylesheets  "public/stylesheets"
           paths
         end
       end

railties/lib/rails/plugin.rb

@@ -47,11 +47,11 @@ def config
     end
 
     initializer :load_init_rb, :before => :load_application_initializers do |app|
-      lib_initializers = paths.lib.rails.initializers.to_a
-      files = %w(rails/init.rb init.rb).map { |path| File.expand_path(path, root) }
-
-      if lib_initializers.empty? && initrb = files.find { |path| File.file?(path) }
-        ActiveSupport::Deprecation.warn "init.rb is deprecated: #{initrb}. Use lib/rails/initializers/#{name}.rb"
+      files = %w(rails/init.rb init.rb).map { |path| File.expand_path path, root }
+      if initrb = files.find { |path| File.file? path }
+        if initrb == files.first
+          ActiveSupport::Deprecation.warn "Use toplevel init.rb; rails/init.rb is deprecated: #{initrb}"
+        end
         config = app.config
         eval(File.read(initrb), binding, initrb)
       end

railties/test/railties/plugin_test.rb

@@ -94,19 +94,6 @@ class Engine < Rails::Engine
       assert rescued, "Expected boot rails to fail"
     end
 
-    test "skips init.rb if initializer is present" do
-      @plugin.write "lib/rails/initializers/foo.rb", <<-RUBY
-        $loaded = true
-      RUBY
-
-      @plugin.write "init.rb", <<-RUBY
-        raise "b00m"
-      RUBY
-
-      boot_rails
-      assert $loaded
-    end
-
     test "loads deprecated rails/init.rb" do
       @plugin.write "rails/init.rb", <<-RUBY
         $loaded = true

railties/test/railties/shared_tests.rb

@@ -297,16 +297,6 @@ def test_plugin_initializers
       assert $plugin_initializer
     end
 
-    def test_rails_plugin_initializers
-      $plugin_initializer = false
-      @plugin.write "lib/rails/initializers/foo.rb", <<-RUBY
-        $plugin_initializer = true
-      RUBY
-
-      boot_rails
-      assert $plugin_initializer
-    end
-
     def test_plugin_midleware_referenced_in_configuration
       @plugin.write "lib/bukkits.rb", <<-RUBY
         class Bukkits