Small tweak to allow plugins to specify gem dependencies. [rick]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9141 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,20 @@
 *SVN*
 
+* Small tweak to allow plugins to specify gem dependencies.  [rick]
+
+  # OLD open_id_authentication plugin init.rb
+  require 'yadis'
+  require 'openid'
+  ActionController::Base.send :include, OpenIdAuthentication
+
+  # NEW
+  config.gem "ruby-openid", :lib => "openid", :version => "1.1.4"
+  config.gem "ruby-yadis",  :lib => "yadis",  :version => "0.3.4"
+
+  config.after_initialize do
+    ActionController::Base.send :include, OpenIdAuthentication
+  end
+
 * Added config.gem for specifying which gems are required by the application, as well as rake tasks for installing and freezing gems. [rick]
 
   Rails::Initializer.run do |config|

railties/lib/initializer.rb

@@ -102,6 +102,11 @@ def process
 
       load_gems
       load_plugins
+
+      # pick up any gems that plugins depend on
+      add_gem_load_paths
+      load_gems
+
       load_application_initializers
 
       # the framework is now fully initialized

railties/lib/rails/gem_dependency.rb

@@ -35,7 +35,7 @@ def add_load_paths
     end
 
     def load
-      return if @load_paths_added == false
+      return if @loaded || @load_paths_added == false
       require(@lib || @name)
       @loaded = true
     rescue LoadError