lib/chef/knife/topo_create.rb in knife-topo-0.0.6 vs lib/chef/knife/topo_create.rb in knife-topo-0.0.7

@@ -95,18 +95,18 @@
         # update any existing nodes
         topo_hash = topo.raw_data
         nodes = merge_topo_properties(topo_hash['nodes'], topo_hash)
         config[:disable_editing] = true
         
-        if nodes.length > 0
+        if nodes && nodes.length > 0
           nodes.each do |updates|
             node_name = updates['name']
             node = update_node(updates)
           end
           # if bootstrap is specified, run the bootstrap command
           run_cmd(Chef::Knife::TopoBootstrap, @topo_bootstrap_args) if config[:bootstrap]
         else
-          ui.info "No nodes found for topology #{topo_hash.name}"
+          ui.info "No nodes found for topology #{topo_hash['name']}"
         end
            
         ui.info("Topology created")
               
       end