Box verification works with VBoxManage

lib/vagrant/action/box/verify.rb

@@ -8,10 +8,10 @@ module Vagrant
         end
 
         def call(env)
-          begin
+          @env[:ui].info I18n.t("vagrant.actions.box.verify.verifying")
-            @env[:ui].info I18n.t("vagrant.actions.box.verify.verifying")
+
-            VirtualBox::Appliance.new(env["box_directory"].join("box.ovf").to_s)
+          driver = Driver::VirtualBox.new(nil)
-          rescue Exception
+          if !driver.verify_image(env["box_directory"].join("box.ovf").to_s)
             raise Errors::BoxVerificationFailed
           end
 

lib/vagrant/driver/virtualbox.rb

@@ -242,6 +242,14 @@ module Vagrant
         execute("controlvm", @uuid, "savestate")
       end
 
+      # Verifies that an image can be imported properly.
+      #
+      # @return [Boolean]
+      def verify_image(path)
+        r = raw("import", path.to_s, "--dry-run")
+        return r.exit_code == 0
+      end
+
       protected
 
       # This returns the version of VirtualBox that is running.
@@ -253,13 +261,24 @@ module Vagrant
 
       # Execute the given subcommand for VBoxManage and return the output.
       def execute(*command)
-        # TODO: Detect failures and handle them
+        # Execute the command
-        r = Subprocess.execute("VBoxManage", *command)
+        r = raw(*command)
+
+        # If the command was a failure, then raise an exception that is
+        # nicely handled by Vagrant.
         if r.exit_code != 0
+          # TODO: Inherit from VagrantError
           raise Exception, "FAILURE: #{r.stderr}"
         end
+
+        # Return the output
         r.stdout
       end
+
+      # Executes a command and returns the raw result object.
+      def raw(*command)
+        Subprocess.execute("VBoxManage", *command)
+      end
     end
   end
 end