From 2370e87ae0babf0fb4b21254c8120f7a93189d40 Mon Sep 17 00:00:00 2001
From: Carl Lerche <carllerche@mac.com>
Date: Wed, 30 Sep 2009 12:05:34 -0700
Subject: Remove all calls to Rails::Initializer from boot.rb

This is starting a refactor of the rails initialization process. The boot.rb file will not remain the same.
---
 .../generators/rails/app/templates/config/boot.rb  | 47 +++++++++++++++++++---
 .../rails/app/templates/config/environment.rb      |  4 +-
 railties/lib/rails/initializer.rb                  | 23 ++---------
 3 files changed, 45 insertions(+), 29 deletions(-)

(limited to 'railties/lib')

diff --git a/railties/lib/rails/generators/rails/app/templates/config/boot.rb b/railties/lib/rails/generators/rails/app/templates/config/boot.rb
index d2652af9b0..52086fbc7d 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/boot.rb
+++ b/railties/lib/rails/generators/rails/app/templates/config/boot.rb
@@ -4,6 +4,11 @@
 RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)
 
 module Rails
+  # Mark the version of Rails that generated the boot.rb file. This is
+  # a temporary solution and will most likely be removed as Rails 3.0
+  # comes closer.
+  BOOTSTRAP_VERSION = "3.0"
+
   class << self
     def boot!
       unless booted?
@@ -36,20 +41,50 @@ module Rails
   class Boot
     def run
       load_initializer
-      Rails::Initializer.run(:set_load_path)
+      set_load_paths
+    end
+
+    def set_load_paths
+      %w(
+        railties
+        railties/lib
+        activesupport/lib
+        actionpack/lib
+        activerecord/lib
+        actionmailer/lib
+        activeresource/lib
+        actionwebservice/lib
+      ).reverse_each do |path|
+        path = "#{framework_root_path}/#{path}"
+        $LOAD_PATH.unshift(path) if File.directory?(path)
+        $LOAD_PATH.uniq!
+      end
+    end
+
+    def framework_root_path
+      defined?(::RAILS_FRAMEWORK_ROOT) ? ::RAILS_FRAMEWORK_ROOT : "#{RAILS_ROOT}/vendor/rails"
     end
   end
 
   class VendorBoot < Boot
     def load_initializer
-      # activesupport/lib
-      %w(railties/lib).each do |path|
-        $:.unshift("#{RAILS_ROOT}/vendor/rails/#{path}")
-      end
+      $:.unshift("#{framework_root_path}/railties/lib")
       require "rails"
-      Rails::Initializer.run(:install_gem_spec_stubs)
+      install_gem_spec_stubs
       Rails::GemDependency.add_frozen_gem_path
     end
+
+    def install_gem_spec_stubs
+      begin; require "rubygems"; rescue LoadError; return; end
+
+      %w(rails activesupport activerecord actionpack actionmailer activeresource).each do |stub|
+        Gem.loaded_specs[stub] ||= Gem::Specification.new do |s|
+          s.name = stub
+          s.version = Rails::VERSION::STRING
+          s.loaded_from = ""
+        end
+      end
+    end
   end
 
   class GemBoot < Boot
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environment.rb b/railties/lib/rails/generators/rails/app/templates/config/environment.rb
index 2f2d1162c0..adb3a3060a 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environment.rb
+++ b/railties/lib/rails/generators/rails/app/templates/config/environment.rb
@@ -6,9 +6,7 @@
 # Bootstrap the Rails environment, frameworks, and default configuration
 require File.join(File.dirname(__FILE__), 'boot')
 
-module <%= app_name.camelize %>; end
-
-<%= app_name.camelize %>::Application = Rails::Initializer.run do |config|
+Rails::Initializer.run do |config|
   # Settings in config/environments/* take precedence over those specified here.
   # Application configuration should go into files in config/initializers
   # -- all .rb files in that directory are automatically loaded.
diff --git a/railties/lib/rails/initializer.rb b/railties/lib/rails/initializer.rb
index f75bd917bf..2d63ac4d39 100644
--- a/railties/lib/rails/initializer.rb
+++ b/railties/lib/rails/initializer.rb
@@ -123,33 +123,16 @@ module Rails
     require 'rails/ruby_version_check'
   end
 
-  # If Rails is vendored and RubyGems is available, install stub GemSpecs
-  # for Rails, Active Support, Active Record, Action Pack, Action Mailer, and
-  # Active Resource. This allows Gem plugins to depend on Rails even when
-  # the Gem version of Rails shouldn't be loaded.
-  Initializer.default.add :install_gem_spec_stubs do
-    unless Rails.respond_to?(:vendor_rails?)
+  # Bail if boot.rb is outdated
+  Initializer.default.add :freak_out_if_boot_rb_is_outdated do
+    unless defined?(Rails::BOOTSTRAP_VERSION)
       abort %{Your config/boot.rb is outdated: Run "rake rails:update".}
     end
-
-    if Rails.vendor_rails?
-      begin; require "rubygems"; rescue LoadError; return; end
-
-      %w(rails activesupport activerecord actionpack actionmailer activeresource).each do |stub|
-        Gem.loaded_specs[stub] ||= Gem::Specification.new do |s|
-          s.name = stub
-          s.version = Rails::VERSION::STRING
-          s.loaded_from = ""
-        end
-      end
-    end
   end
 
   # Set the <tt>$LOAD_PATH</tt> based on the value of
   # Configuration#load_paths. Duplicates are removed.
   Initializer.default.add :set_load_path do
-    # TODO: Think about unifying this with the general Rails paths
-    configuration.framework_paths.reverse_each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) }
     configuration.paths.add_to_load_path
     $LOAD_PATH.uniq!
   end
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