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Sync with Latest Instiki Trunk.
Migrate to Rails 1.2.5.
Bump version number.

vendor/rails/actionpack/lib/action_controller/cgi_ext/pstore_performance_fix.rb

@@ -0,0 +1,30 @@
+# CGI::Session::PStore.initialize requires 'digest/md5' on every call.
+# This makes sense when spawning processes per request, but is
+# unnecessarily expensive when serving requests from a long-lived
+# process.
+require 'cgi/session'
+require 'cgi/session/pstore'
+require 'digest/md5'
+
+class CGI::Session::PStore #:nodoc:
+  def initialize(session, option={})
+    dir = option['tmpdir'] || Dir::tmpdir
+    prefix = option['prefix'] || ''
+    id = session.session_id
+    md5 = Digest::MD5.hexdigest(id)[0,16]
+    path = dir+"/"+prefix+md5
+    path.untaint
+    if File::exist?(path)
+      @hash = nil
+    else
+      unless session.new_session
+        raise CGI::Session::NoSession, "uninitialized session"
+      end
+      @hash = {}
+    end
+    @p = ::PStore.new(path)
+    @p.transaction do |p|
+      File.chmod(0600, p.path)
+    end
+  end
+end

vendor/rails/actionpack/lib/action_controller/cgi_ext/raw_post_data_fix.rb

@@ -65,7 +65,7 @@ class CGI #:nodoc:
           if env_qs.blank? && !(uri = env_table['REQUEST_URI']).blank?
             uri.split('?', 2)[1] || ''
           else
-            env_qs
+            env_qs || ''
           end
         end
       end