From 3edc923b2286247b55b972cc2f2ba8a8f03fac53 Mon Sep 17 00:00:00 2001
From: Paulo Bittencourt <pbittencourt@glendon.yorku.ca>
Date: Mon, 18 Nov 2013 12:34:16 -0500
Subject: [PATCH] use rbconfig for detecting Windows

---
 lib/vagrant-hostmanager/hosts_file.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/vagrant-hostmanager/hosts_file.rb b/lib/vagrant-hostmanager/hosts_file.rb
index d7a2e58..71b4e05 100644
--- a/lib/vagrant-hostmanager/hosts_file.rb
+++ b/lib/vagrant-hostmanager/hosts_file.rb
@@ -129,8 +129,10 @@ module VagrantPlugins
 
       ## Windows support for copying files, requesting elevated privileges if necessary
       module WindowsSupport
+        require 'rbconfig'
+
         def self.windows?
-          ENV['OS'] === 'Windows_NT'
+          RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/
         end
 
         require 'win32ole' if windows?