    # File lib/chef/provider/link.rb, line 108
          def set_group
            unless compare_group
              @set_group_id = negative_complement(@set_group_id)
              ::File.lchown(nil, @set_group_id, @new_resource.target_file)
              Chef::Log.info("#{@new_resource} group changed to #{@set_group_id}")
              @new_resource.updated_by_last_action(true)
            end
          end