Pass block

Author: npezza93

lib/kamal/cli/build.rb

@@ -148,7 +148,7 @@ def pull_on_hosts(hosts)
       end
     end
 
-    def forward_local_registry_port
+    def forward_local_registry_port(&block)
       if KAMAL.config.registry.local?
         Kamal::Cli::PortForwarding.
           new(KAMAL.hosts, KAMAL.config.registry.local_port).