`vagrant halt` uses new environment

lib/vagrant/commands.rb

@@ -125,9 +125,9 @@ msg
       # This command requires than an instance already be brought up with
       # `vagrant up`.
       def halt
-        Env.load!
-        Env.require_persisted_vm
-        Env.persisted_vm.execute!(Actions::VM::Halt)
+        env = Environment.load!
+        env.require_persisted_vm
+        env.vm.execute!(Actions::VM::Halt)
       end
 
       # Suspend a running vagrant instance. This suspends the instance, saving

test/vagrant/commands_test.rb

@@ -140,8 +140,13 @@ class CommandsTest < Test::Unit::TestCase
   end
 
   context "halt" do
+    should "load the current environment" do
+      Vagrant::Environment.expects(:load!).once.returns(@env)
+      Vagrant::Commands.halt
+    end
+    
     should "require a persisted VM" do
-      Vagrant::Env.expects(:require_persisted_vm).once
+      @env.expects(:require_persisted_vm).once
       Vagrant::Commands.halt
     end