upgrade-memcache-client.rb

# modified from http://www.mikeperham.com/2009/03/03/using-memcache-client-16x-in-rails-23
# Brain surgery to use our own version of memcache-client without having to modify activesupport directly.

# Unload any previous instance of the class
if Object.const_defined? :MemCache
  Object.instance_eval { remove_const :MemCache }
end

# Ensure that the memcache-client gem path is at the front of the loadpath
$LOAD_PATH.unshift(RAILS_ROOT + '/vendor/gems/memcache-client-1.7.4/lib')

# If Ruby thinks it's already loaded memcache.rb, force a reload otherwise just require.

if $".find { |file| file =~ /\Amemcache.rb\Z/ }
  load 'memcache.rb'
else
  require 'memcache'
end