More defensive merge_defaults/2 #13873 #15166

Author: michaelklishin

deps/rabbitmq_cli/lib/rabbitmq/cli/queues/commands/grow_to_count_command.ex

@@ -21,12 +21,19 @@ defmodule RabbitMQ.CLI.Queues.Commands.GrowToCountCommand do
       errors_only: :boolean
     ]
 
-  def merge_defaults([], opts) do
-    {[], Map.merge(default_opts(), opts)}
-  end
+  def merge_defaults(args, opts) do
+    args =
+      case args do
+        [n | rem] when is_binary(n) ->
+          case Integer.parse(n) do
+            {i, ""} -> [i | rem]
+            _ -> args
+          end
+
+        _ ->
+          args
+      end
 
-  def merge_defaults([node_count | rem], opts) do
-    args = [String.to_integer(node_count) | rem]
     {args, Map.merge(default_opts(), opts)}
   end