# File lib/chef/provider/package/yum.rb, line 188
        def upgrade_package(name, version)
          # If we're not given a version, running update is the correct
          # option. If we are, then running install_package is right.
          unless version
            run_command_with_systems_locale(
              :command => "yum -d0 -e0 -y #{@new_resource.options} update #{name}#{yum_arch}"
            )   
            @yum.flush
          else
            install_package(name, version)
          end
        end