From 2baea78820874a08a6f9bb1da939c37817e32cea Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Wed, 6 Apr 2022 14:13:09 -0700
Subject: [PATCH] Properly clone mappers

---
 plugins/commands/serve/mappers.rb | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/plugins/commands/serve/mappers.rb b/plugins/commands/serve/mappers.rb
index 2268615af..10c49d3ab 100644
--- a/plugins/commands/serve/mappers.rb
+++ b/plugins/commands/serve/mappers.rb
@@ -105,14 +105,10 @@ module VagrantPlugins
         @@blind_maps ||= {}
       end
 
-      # Create a clone of this mappers instance
-      #
-      # @return [Mappers]
-      def clone
-        self.class.new(*known_arguments).tap do |m|
-          m.cacher = cacher
-          m.mappers.replace(mappers.dup)
-        end
+      def initialize_copy(orig)
+        @mappers = orig.mappers.dup
+        @cacher = orig.cacher
+        @known_arguments = orig.known_arguments
       end
 
       # Add an argument to be included with mapping calls