rescue pubsubhubbub error if your pod is offline (resolves issue when posting...

rescue pubsubhubbub error if your pod is offline (resolves issue when posting public posts in dev mode with no internet connectivity)

lib/pubsubhubbub.rb

@@ -8,15 +8,16 @@ class Pubsubhubbub
 
   def initialize(hub, options={})
     @headers = H.merge(options[:head]) if options[:head]
-    @hub = hub 
+    @hub = hub
   end
 
   def publish(feed)
     begin
-      response = RestClient.post(@hub, :headers => @headers, 'hub.url' => feed, 'hub.mode' => 'publish')
-    return response
-    rescue  RestClient::BadRequest=> e
-      Rails.logger.warn "Public URL for your users are incorrect.  this is ok if you are in development and localhost is your pod_url#{e.inspect}" 
+      return RestClient.post(@hub, :headers => @headers, 'hub.url' => feed, 'hub.mode' => 'publish')
+    rescue RestClient::BadRequest=> e
+      Rails.logger.warn "Public URL for your users are incorrect.  (This is ok if you are in development and localhost is your pod_url) #{e.inspect}"
+    rescue SocketError
+      Rails.logger.warn "Pod not connected to the internet.  Cannot post to pubsub hub!"
     end
   end
 end