From 19d1cae92cd17f70044082505d7b0f9ed5aab2af Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Thu, 25 Jan 2018 08:35:08 -0800
Subject: [PATCH] Add log warning when native ssh executable is not found

---
 lib/vagrant/util/ssh.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/vagrant/util/ssh.rb b/lib/vagrant/util/ssh.rb
index 8d120aab0..31ce31da5 100644
--- a/lib/vagrant/util/ssh.rb
+++ b/lib/vagrant/util/ssh.rb
@@ -72,6 +72,10 @@ module Vagrant
         # If we didn't find an ssh executable, see if we shipped one
         if !ssh_path
           ssh_path = Which.which("ssh")
+          if ssh_path && Platform.windows? && (Platform.cygwin? || Platform.msys?)
+            LOGGER.warn("Failed to locate native SSH executable. Using vendored version.")
+            LOGGER.warn("If display issues are encountered, install the ssh package for your environment.")
+          end
         end
 
         if !ssh_path