From f564bf74109b95f1c6c5510b26ce3c210607de5d Mon Sep 17 00:00:00 2001
From: Gilles Cornu <git@gilles.cornu.name>
Date: Sun, 2 Feb 2014 23:14:07 +0100
Subject: [PATCH] Ansible Groups: Accept single item as String

Syntax errors in `ansible.groups` definition are not well handled:
Error returned: undefined method `each' for "machine1":String (NoMethodError)

Being tolerant here doesn't hurt and may avoid people get
confused/annoyed.
---
 plugins/provisioners/ansible/provisioner.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/provisioners/ansible/provisioner.rb b/plugins/provisioners/ansible/provisioner.rb
index d5c28f454..33ccf3db3 100644
--- a/plugins/provisioners/ansible/provisioner.rb
+++ b/plugins/provisioners/ansible/provisioner.rb
@@ -104,6 +104,10 @@ module VagrantPlugins
           included_groups = []
 
           config.groups.each_pair do |gname, gmembers|
+            # Require that gmembers be an array
+            # (easier to be tolerant and avoid error management of few value)
+            gmembers = [gmembers] if !gmembers.is_a?(Array)
+
             if gname.end_with?(":children")
               groups_of_groups[gname] = gmembers
             else