remove patch for Passenger 2.2.2 and later

lib/patches.rb

@@ -61,35 +61,45 @@ def process_client(client)
   end
 end
 
-# Patch for work with passenger < 2.1.0
-if defined? Passenger::Railz::RequestHandler
-  class Passenger::Railz::RequestHandler
-    alias_method :orig_process_request, :process_request
-    def process_request(headers, input, output)
-      Spawn.resources_to_close(input, output)
-      orig_process_request(headers, input, output)
+need_passenger_patch = true
+if defined? PhusionPassenger::VERSION_STRING
+  # The VERSION_STRING variable was defined sometime after 2.1.0.
+  # We don't need passenger patch for 2.2.2 or later.
+  pv = PhusionPassenger::VERSION_STRING.split('.').collect{|s| s.to_i}
+  need_passenger_patch = pv[0] < 2 || (pv[0] == 2 && (pv[1] < 2 || (pv[1] == 2 && pv[2] < 2)))
+end
+
+if need_passenger_patch
+  # Patch for work with passenger < 2.1.0
+  if defined? Passenger::Railz::RequestHandler
+    class Passenger::Railz::RequestHandler
+      alias_method :orig_process_request, :process_request
+      def process_request(headers, input, output)
+        Spawn.resources_to_close(input, output)
+        orig_process_request(headers, input, output)
+      end
     end
   end
-end
 
-# Patch for work with passenger >= 2.1.0
-if defined? PhusionPassenger::Railz::RequestHandler
-  class PhusionPassenger::Railz::RequestHandler
-    alias_method :orig_process_request, :process_request
-    def process_request(headers, input, output)
-      Spawn.resources_to_close(input, output)
-      orig_process_request(headers, input, output)
+  # Patch for work with passenger >= 2.1.0
+  if defined? PhusionPassenger::Railz::RequestHandler
+    class PhusionPassenger::Railz::RequestHandler
+      alias_method :orig_process_request, :process_request
+      def process_request(headers, input, output)
+        Spawn.resources_to_close(input, output)
+        orig_process_request(headers, input, output)
+      end
     end
   end
-end
 
-# Patch for passenger with Rails >= 2.3.0 (uses rack)
-if defined? PhusionPassenger::Rack::RequestHandler
-  class PhusionPassenger::Rack::RequestHandler
-    alias_method :orig_process_request, :process_request
-    def process_request(headers, input, output)
-      Spawn.resources_to_close(input, output)
-      orig_process_request(headers, input, output)
+  # Patch for passenger with Rails >= 2.3.0 (uses rack)
+  if defined? PhusionPassenger::Rack::RequestHandler
+    class PhusionPassenger::Rack::RequestHandler
+      alias_method :orig_process_request, :process_request
+      def process_request(headers, input, output)
+        Spawn.resources_to_close(input, output)
+        orig_process_request(headers, input, output)
+      end
     end
   end
 end