Fix repackage command to actually work properly

plugins/commands/box/command/repackage.rb

@@ -1,15 +1,14 @@
 require "fileutils"
 require 'optparse'
+require "pathname"
 
 module VagrantPlugins
   module CommandBox
     module Command
       class Repackage < Vagrant.plugin("2", :command)
         def execute
-          options = {}
-
-          opts = OptionParser.new do |opts|
-            opts.banner = "Usage: vagrant box repackage <name> <provider>"
+          opts = OptionParser.new do |o|
+            o.banner = "Usage: vagrant box repackage <name> <provider>"
           end
 
           # Parse the options
@@ -32,7 +31,7 @@ module VagrantPlugins
           raise Vagrant::Errors::BoxNotFound, :name => box_name if !box
 
           # Repackage the box
-          output_path = File.expand_path(@env.config.global.package.name, FileUtils.pwd)
+          output_path = Pathname.new(File.expand_path(@env.config_global.package.name, FileUtils.pwd))
           box.repackage(output_path)
 
           # Success, exit status 0