def archive_kit
      from_directory do
        id = @git.latest_id("tetra: dry-run-finished")
        destination_path = File.join(full_path, packages_dir, "#{name}-kit", "#{name}-kit.tar.xz")
        @git.archive("kit", id, destination_path)
      end
    end
def archive_kit
      from_directory do
        id = @git.latest_id("tetra: dry-run-finished")
        destination_path = File.join(full_path, packages_dir, "#{name}-kit", "#{name}-kit.tar.xz")
        @git.archive("kit", id, destination_path)
      end
    end
archives a tarball of kit/ in packages/
 the latest commit marked as dry-run-finished is taken as the version