accept a hash as sessions setting

CHANGES

@@ -2,6 +2,8 @@
 
  * Added support for HTTP PATCH requests. (Konstantin Haase)
 
+ * The sessions setting now may be an options hash. (Konstantin Haase)
+
  * Important: 1.8.6 support has been dropped. (Konstantin Haase)
 
 = 1.2.1 / 2011-03-17

README.rdoc

@@ -810,6 +810,11 @@ set the secret yourself, so all your application instances share it:
 
   set :session_secret, 'super secret'
 
+If you want to configure it further, you may also store a hash with options in
+the +sessions+ setting:
+
+  set :sessions, :domain => 'foo.com'
+
 === Halting
 
 To immediately stop a request within a filter or route use:

lib/sinatra/base.rb

@@ -1248,7 +1248,9 @@ module Sinatra
     private
       def setup_sessions(builder)
         return unless sessions?
-        builder.use Rack::Session::Cookie, :secret => session_secret
+        options = { :secret => session_secret }
+        options.merge! sessions.to_hash if sessions.respond_to? :to_hash
+        builder.use Rack::Session::Cookie, options
       end
 
       def detect_rack_handler

test/helpers_test.rb

@@ -284,6 +284,19 @@ class HelpersTest < Test::Unit::TestCase
       get '/'
       assert_body 'ok'
     end
+
+    it 'accepts an options hash' do
+      mock_app do
+        set :sessions, :foo => :bar
+        get '/' do
+          assert_equal env['rack.session.options'][:foo], :bar
+          'ok'
+        end
+      end
+
+      get '/'
+      assert_body 'ok'
+    end
   end
 
   describe 'mime_type' do