From cfc3e9e3981f0d37511641cfc5f107a20734c47a Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Mon, 12 Nov 2018 15:32:14 -0800
Subject: [PATCH] Reset communicator after updating user groups

---
 .../docker/cap/linux/docker_configure_vagrant_user.rb            | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/provisioners/docker/cap/linux/docker_configure_vagrant_user.rb b/plugins/provisioners/docker/cap/linux/docker_configure_vagrant_user.rb
index 5283a9ef1..a85d8248f 100644
--- a/plugins/provisioners/docker/cap/linux/docker_configure_vagrant_user.rb
+++ b/plugins/provisioners/docker/cap/linux/docker_configure_vagrant_user.rb
@@ -9,6 +9,7 @@ module VagrantPlugins
             machine.communicate.tap do |comm|
               if comm.test("getent group docker") && !comm.test("id -Gn | grep docker")
                 comm.sudo("usermod -a -G docker #{ssh_info[:username]}")
+                comm.reset!
               end
             end
           end