From 740652aef96c1a1e26d0a1fb76f1b0aa31bdfe8a Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 10 Apr 2014 10:04:03 -0700
Subject: [PATCH] providers/hyperv: usable test

---
 plugins/providers/hyperv/provider.rb | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/plugins/providers/hyperv/provider.rb b/plugins/providers/hyperv/provider.rb
index 957ad6792..58ff9dd33 100644
--- a/plugins/providers/hyperv/provider.rb
+++ b/plugins/providers/hyperv/provider.rb
@@ -11,9 +11,7 @@ module VagrantPlugins
     class Provider < Vagrant.plugin("2", :provider)
       attr_reader :driver
 
-      def initialize(machine)
-        @machine = machine
-
+      def self.usable?(raise_error=false)
         if !Vagrant::Util::Platform.windows?
           raise Errors::WindowsRequired
         end
@@ -26,6 +24,15 @@ module VagrantPlugins
           raise Errors::PowerShellRequired
         end
 
+        true
+      rescue HyperVError
+        raise if raise_error
+        return false
+      end
+
+      def initialize(machine)
+        @machine = machine
+
         # This method will load in our driver, so we call it now to
         # initialize it.
         machine_id_changed