Nested with_options

rake output

GET    /:locale/services/foo/:name                          {:action=>"config", :controller=>"services/foo"}
GET    /:locale/services/bar/:name                          {:action=>"config", :controller=>"services/bar"}

routes.rb

ActionController::Routing::Routes.draw do |map|
  map.with_options(:path_prefix => ':locale/services') do |services|
    services.with_options(:controller => "services/foo") do |service|
      service.connect '/foo/:name', :action => :config, :conditions => { :method => :get }
    end
    services.with_options(:controller => "services/bar") do |service|
      service.connect '/bar/:name', :action => :config, :conditions => { :method => :get }
    end
  end
end