Add the ability for plugins to set default configuration settings.

1 files changed, 21 insertions, 0 deletions

diff --git a/railties/lib/rails/plugin.rb b/railties/lib/rails/plugin.rb
index 8025135a64..90dc1ad8dd 100644
--- a/railties/lib/rails/plugin.rb
+++ b/railties/lib/rails/plugin.rb
@@ -2,6 +2,27 @@ module Rails
   class Plugin
     include Initializable
 
+    def self.plugin_name
+      @plugin_name || name.demodulize.underscore
+    end
+
+    def self.inherited(klass)
+      @plugins ||= []
+      @plugins << klass unless klass == Vendored
+    end
+
+    def self.plugins
+      @plugins
+    end
+
+    def self.plugin_names
+      plugins.map { |p| p.plugin_name }
+    end
+
+    def self.config
+      @config ||= Configuration.new
+    end
+
     class Vendored < Plugin
       def self.all(list, paths)
         plugins = []