From 8f314cbb0e781b9ee883985ab25dd5953097f951 Mon Sep 17 00:00:00 2001
From: Darragh Bailey <dbailey@hpe.com>
Date: Wed, 6 Mar 2019 11:27:25 +0000
Subject: [PATCH] Fail on port collisions

Partial Fix #321 by enabling option ExitOnForwardFailure=yes to detect
and fail on forward port mappings failing to bind.
---
 lib/vagrant-libvirt/action/forward_ports.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/vagrant-libvirt/action/forward_ports.rb b/lib/vagrant-libvirt/action/forward_ports.rb
index e48a6f4..c7c747e 100644
--- a/lib/vagrant-libvirt/action/forward_ports.rb
+++ b/lib/vagrant-libvirt/action/forward_ports.rb
@@ -97,6 +97,7 @@ module VagrantPlugins
             User=#{ssh_info[:username]}
             Port=#{ssh_info[:port]}
             UserKnownHostsFile=/dev/null
+            ExitOnForwardFailure=yes
             StrictHostKeyChecking=no
             PasswordAuthentication=no
             ForwardX11=#{ssh_info[:forward_x11] ? 'yes' : 'no'}