Add support for Redis#client's location method. Fixes a compatibility…

… issue with redis_failover and Sidekiq.

Changes.md

@@ -1,3 +1,7 @@
+HEAD
+-----------
+- Add support for Redis#client's location method. Fixes a compatibility issue with redis_failover and Sidekiq.
+
 0.9.7.1
 -----------
 - Stop repeated attempts to acquire exclusive lock in Node Manager (#36)

lib/redis_failover/client.rb

@@ -79,6 +79,14 @@ def client(*args)
       self
     end
 
+    # Delegates to the underlying Redis client to fetch the location.
+    # This method always returns the location of the master.
+    #
+    # @return [String] the redis location
+    def location
+      dispatch(:client).location
+    end
+
     # Specifies a callback to invoke when the current redis node list changes.
     #
     # @param [Proc] a callback with current master and slaves as arguments