diff --git a/app/models/rubygem.rb b/app/models/rubygem.rb
index 1f7d41dc1fc..0f040bf63f9 100644
--- a/app/models/rubygem.rb
+++ b/app/models/rubygem.rb
@@ -1,9 +1,5 @@
 class Rubygem < ActiveRecord::Base
-  SPECIAL_CHARACTERS = ".-_"
-  ALLOWED_CHARACTERS = "[A-Za-z0-9#{Regexp.escape(SPECIAL_CHARACTERS)}]+"
-  ROUTE_PATTERN      = /#{ALLOWED_CHARACTERS}/
-  LAZY_ROUTE_PATTERN = /#{ALLOWED_CHARACTERS}?/
-  NAME_PATTERN       = /\A#{ALLOWED_CHARACTERS}\Z/
+  include Patterns
 
   has_many :owners, :through => :ownerships, :source => :user
   has_many :ownerships, :dependent => :destroy
diff --git a/config/application.rb b/config/application.rb
index 718bb42ff8e..b6b253f7366 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -26,6 +26,8 @@ class Application < Rails::Application
     config.middleware.use "Hostess"
     config.middleware.insert_after "Hostess", "Redirector" if $rubygems_config[:redirector]
 
+    config.autoload_paths += %W(#{config.root}/lib)
+
     unless Rails.env.maintenance?
       config.action_mailer.default_url_options  = { :host => HOST }
       config.action_mailer.delivery_method      = $rubygems_config[:delivery_method]
diff --git a/config/environments/maintenance.rb b/config/environments/maintenance.rb
index c8f530db5ef..796f3413e2e 100644
--- a/config/environments/maintenance.rb
+++ b/config/environments/maintenance.rb
@@ -1,4 +1,6 @@
 Gemcutter::Application.configure do
+  config.active_support.deprecation = :notify
+
   config.middleware.use ::Rack::Static,
     :urls => ["/index.html",
               "/favicon.ico",
@@ -7,6 +9,7 @@
     :root => "public/maintenance"
   config.middleware.use ::Rack::Maintenance,
     :file => File.join('public', 'maintenance', 'index.html')
+
   config.plugins = []
 end
 
diff --git a/config/routes.rb b/config/routes.rb
index 945b7d423b6..834855cbf6f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -11,7 +11,7 @@
         get :top, :on => :collection
         get :all, :on => :collection
       end
-      constraints :id => Rubygem::ROUTE_PATTERN, :format => /json|xml|yaml/ do
+      constraints :id => Patterns::ROUTE_PATTERN, :format => /json|xml|yaml/ do
         # In Rails 3.1, the following line can be replaced with:
         # resources :downloads, :only => :show, :format => true
         get 'downloads/:id.:format', :to => 'downloads#show', :as => 'download'
@@ -34,14 +34,14 @@
 
       resources :dependencies, :only => :index
 
-      resources :rubygems, :path => 'gems', :only => [:create, :show, :index], :id => Rubygem::LAZY_ROUTE_PATTERN, :format => /json|xml|yaml/ do
+      resources :rubygems, :path => 'gems', :only => [:create, :show, :index], :id => Patterns::LAZY_ROUTE_PATTERN, :format => /json|xml|yaml/ do
         collection do
           delete :yank
           put :unyank
           get :latest
           get :just_updated
         end
-        constraints :rubygem_id => Rubygem::ROUTE_PATTERN do
+        constraints :rubygem_id => Patterns::ROUTE_PATTERN do
           resource :owners, :only => [:show, :create, :destroy]
         end
       end
@@ -86,17 +86,17 @@
   resources :stats,     :only => :index
 
   resources :rubygems, :only => :index, :path => 'gems' do
-    constraints :rubygem_id => Rubygem::ROUTE_PATTERN do
+    constraints :rubygem_id => Patterns::ROUTE_PATTERN do
       resource  :subscription, :only => [:create, :destroy]
       resources :versions,     :only => :index
       resource  :stats,        :only => :show
     end
   end
 
-  constraints :id => Rubygem::ROUTE_PATTERN do
+  constraints :id => Patterns::ROUTE_PATTERN do
     resources :rubygems, :path => 'gems', :only => [:show, :edit, :update] do
 
-      constraints :rubygem_id => Rubygem::ROUTE_PATTERN do
+      constraints :rubygem_id => Patterns::ROUTE_PATTERN do
         resources :versions, :only => :show do
           resource :stats, :only => :show
         end
diff --git a/lib/patterns.rb b/lib/patterns.rb
new file mode 100644
index 00000000000..d1d228fad3e
--- /dev/null
+++ b/lib/patterns.rb
@@ -0,0 +1,9 @@
+module Patterns
+  extend ActiveSupport::Concern
+
+  SPECIAL_CHARACTERS = ".-_"
+  ALLOWED_CHARACTERS = "[A-Za-z0-9#{Regexp.escape(SPECIAL_CHARACTERS)}]+"
+  ROUTE_PATTERN      = /#{ALLOWED_CHARACTERS}/
+  LAZY_ROUTE_PATTERN = /#{ALLOWED_CHARACTERS}?/
+  NAME_PATTERN       = /\A#{ALLOWED_CHARACTERS}\Z/
+end