use global namespace when checking rails version to avoid conflicts i…

…n gettext

git-svn-id: svn+ssh://rubyforge.org/var/svn/spawn/spawn@31 2aabfe31-cc40-457c-aec7-21ad9ce7fb7d

README

@@ -112,6 +112,7 @@ blog post on threading in rails.
 
 Also thanks to all who have helped debug problems and suggest improvements including:
   Ahmed Adam, Tristan Schneiter, Scott Haug, Andrew Garfield, Eugene Otto, Dan Sharp,
+  Olivier Ruffin
   Garry Tan, Matt Jankowski (2.2.x fixes)
   Tim Kadom, Mauricio Marcon Zaffari (passenger fixes)
   <your name here>

lib/patches.rb

@@ -1,7 +1,7 @@
 # see activerecord/lib/active_record/connection_adaptors/abstract/connection_specification.rb
 class ActiveRecord::Base
   # reconnect without disconnecting
-  if Rails::VERSION::MAJOR == 2 && Rails::VERSION::MINOR >= 2
+  if Spawn::RAILS_2_2
     def self.spawn_reconnect(klass=self)
       @@connection_handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
       establish_connection
@@ -19,7 +19,7 @@ def self.spawn_reconnect(klass=self)
   end
 
   # this patch not needed on Rails 2.x and later
-  if ::Rails::VERSION::MAJOR == 1
+  if Spawn::RAILS_1_x
     # monkey patch to fix threading problems,
     # see: http://dev.rubyonrails.org/ticket/7579
     def self.clear_reloadable_connections!

lib/spawn.rb

@@ -1,4 +1,6 @@
 module Spawn
+  RAILS_1_x = (::Rails::VERSION::MAJOR == 1)
+  RAILS_2_2 = (::Rails::VERSION::MAJOR > 2 || (::Rails::VERSION::MAJOR == 2 && ::Rails::VERSION::MINOR >= 2))
 
   # default to forking (unless windows or jruby)
   @@method = (RUBY_PLATFORM =~ /(win32|java)/) ? :thread : :fork
@@ -42,7 +44,7 @@ def spawn(options = {})
       yield
     elsif options[:method] == :thread || (options[:method] == nil && @@method == :thread)
       # for versions before 2.2, check for allow_concurrency
-      if Rails::VERSION::MAJOR > 2 || (Rails::VERSION::MAJOR == 2 && Rails::VERSION::MINOR >= 2) || ActiveRecord::Base.allow_concurrency
+      if RAILS_2_2 || ActiveRecord::Base.allow_concurrency
         thread_it(options) { yield }
       else
         @@logger.error("spawn(:method=>:thread) only allowed when allow_concurrency=true")
@@ -105,7 +107,7 @@ def fork_it(options)
       ensure
         begin
           # to be safe, catch errors on closing the connnections too
-          if Rails::VERSION::MAJOR >= 2 && Rails::VERSION::MINOR >= 2
+          if RAILS_2_2
             ActiveRecord::Base.connection_handler.clear_all_connections!
           else
             ActiveRecord::Base.connection.disconnect!