Allow passing options from devise_for to route definitions, useful on subdomain scenarios.

lib/devise/mapping.rb

@@ -22,7 +22,7 @@ module Devise
   #   # is the modules included in the class
   #
   class Mapping #:nodoc:
-    attr_reader :name, :as, :path_names, :path_prefix
+    attr_reader :name, :as, :path_names, :path_prefix, :route_options
 
     # Loop through all mappings looking for a map that matches with the requested
     # path (ie /users/sign_in). If a path prefix is given, it's taken into account.
@@ -40,12 +40,13 @@ module Devise
     end
 
     def initialize(name, options) #:nodoc:
-      @as    = (options[:as] || name).to_sym
-      @klass = (options[:class_name] || name.to_s.classify).to_s
-      @name  = (options[:singular] || name.to_s.singularize).to_sym
-      @path_names  = options[:path_names] || {}
-      @path_prefix = options[:path_prefix] || ""
+      @as    = (options.delete(:as) || name).to_sym
+      @klass = (options.delete(:class_name) || name.to_s.classify).to_s
+      @name  = (options.delete(:singular) || name.to_s.singularize).to_sym
+      @path_names  = options.delete(:path_names) || {}
+      @path_prefix = options.delete(:path_prefix) || ""
       @path_prefix << "/" unless @path_prefix[-1] == ?/
+      @route_options = options || {}
 
       setup_path_names
     end

lib/devise/rails/routes.rb

@@ -64,6 +64,10 @@ module ActionController::Routing
       #
       #    map.devise_for :users, :path_prefix => "/:locale"
       #
+      #  Any other options will be passed to route definition. If you need conditions for your routes, just map:
+      #
+      #    map.devise_for :users, :conditions => { :subdomain => /.+/ }
+      #
       #  If you are using a dynamic prefix, like :locale above, you need to configure default_url_options through Devise. You can do that in config/initializers/devise.rb or setting a Devise.default_url_options:
       #
       #    Devise.default_url_options do
@@ -78,7 +82,7 @@ module ActionController::Routing
           mapping = Devise::Mapping.new(resource, options)
           Devise.mappings[mapping.name] = mapping
 
-          with_options(:path_prefix => mapping.raw_path, :name_prefix => "#{mapping.name}_") do |routes|
+          with_options(mapping.route_options.dup.update(:path_prefix => mapping.raw_path, :name_prefix => "#{mapping.name}_")) do |routes|
             mapping.for.each do |strategy|
               send(strategy, routes, mapping) if self.respond_to?(strategy, true)
             end

test/mapping_test.rb

@@ -85,6 +85,14 @@ class MappingTest < ActiveSupport::TestCase
     end
   end
 
+  test 'should have default route options' do
+    assert_equal({}, Devise.mappings[:user].route_options)
+  end
+
+  test 'should allow passing route options to devise routes' do
+    assert_equal({ :requirements => { :extra => 'value' } }, Devise.mappings[:manager].route_options)
+  end
+
   test 'magic predicates' do
     mapping = Devise.mappings[:user]
     assert mapping.authenticatable?

test/rails_app/config/routes.rb

@@ -4,7 +4,9 @@ ActionController::Routing::Routes.draw do |map|
   map.devise_for :account, :path_names => {
     :sign_in => 'login', :sign_out => 'logout', :password => 'secret', :confirmation => 'verification'
   }
-  map.devise_for :organizers, :singular => 'manager', :path_prefix => '/:locale'
+  map.devise_for :organizers, :singular => 'manager',
+                              :path_prefix => '/:locale',
+                              :requirements => { :extra => 'value' }
 
   map.resources :users, :only => :index
   map.resources :admins, :only => :index

test/routes_test.rb

@@ -69,11 +69,14 @@ class MapRoutingTest < ActionController::TestCase
   end
 
   test 'map organizer with custom singular name' do
-    assert_recognizes({:controller => 'passwords', :action => 'new', :locale => "en"}, '/en/organizers/password/new')
+    assert_recognizes({:controller => 'passwords', :action => 'new', :locale => "en", :extra => 'value'}, '/en/organizers/password/new')
   end
 
   test 'map organizer with path prefix' do
-    assert_recognizes({:controller => 'sessions', :action => 'new', :locale => "en"}, '/en/organizers/sign_in')
+    assert_recognizes({:controller => 'sessions', :action => 'new', :locale => "en", :extra => 'value'}, '/en/organizers/sign_in')
   end
 
+  test 'map organizer with additional route options' do
+    assert_recognizes({:controller => 'passwords', :action => 'new', :locale => "en", :extra => 'value'}, '/en/organizers/password/new')
+  end
 end