require "vagrant" module VagrantPlugins module Kernel_V1 class VagrantConfig < Vagrant.plugin("1", :config) attr_accessor :dotfile_name attr_accessor :host def initialize @dotfile_name = UNSET_VALUE @host = UNSET_VALUE end def upgrade(new) new.vagrant.dotfile_name = @dotfile_name if @dotfile_name != UNSET_VALUE new.vagrant.host = @host if @host != UNSET_VALUE end end end end