/usr/lib/ruby/vendor_ruby/ is in samizdat 0.7.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/samizdat/
/usr/lib/ruby/vendor_ruby/samizdat/engine/
/usr/lib/ruby/vendor_ruby/samizdat/engine/globals.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/plugins.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/gettext.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/helpers.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/dataset.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/view.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/site.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/password.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/exceptions.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/request.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/model.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/dispatcher.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/session.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine/time.rb
/usr/lib/ruby/vendor_ruby/samizdat/helpers/
/usr/lib/ruby/vendor_ruby/samizdat/helpers/message_helper.rb
/usr/lib/ruby/vendor_ruby/samizdat/helpers/resource_helper.rb
/usr/lib/ruby/vendor_ruby/samizdat/helpers/application_helper.rb
/usr/lib/ruby/vendor_ruby/samizdat/helpers/syndication_helper.rb
/usr/lib/ruby/vendor_ruby/samizdat/helpers/diff_helper.rb
/usr/lib/ruby/vendor_ruby/samizdat/engine.rb
/usr/lib/ruby/vendor_ruby/samizdat/models/
/usr/lib/ruby/vendor_ruby/samizdat/models/message.rb
/usr/lib/ruby/vendor_ruby/samizdat/models/member.rb
/usr/lib/ruby/vendor_ruby/samizdat/models/moderation.rb
/usr/lib/ruby/vendor_ruby/samizdat/models/content.rb
/usr/lib/ruby/vendor_ruby/samizdat/models/tag.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/
/usr/lib/ruby/vendor_ruby/samizdat/plugins/content_inline.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/plain_text.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/textile.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/profile.rb
/usr/lib/ruby/vendor_ruby/samizdat/components/
/usr/lib/ruby/vendor_ruby/samizdat/plugins/route.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/blog.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/content_file.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/flowplayer.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/role.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/squish.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/email_blacklist.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/virtual_tag.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/tag_default.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/poison_field.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/flash.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/spam_merge.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/file_default.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/access.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/language_prefix.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/spam.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/occupation.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/tag.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/inline_default.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/image.rb
/usr/lib/ruby/vendor_ruby/samizdat/plugins/html.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/
/usr/lib/ruby/vendor_ruby/samizdat/controllers/message_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/history_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/resource_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/moderation_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/query_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/tags_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/frontpage_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/member_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/controllers/diff_controller.rb
/usr/lib/ruby/vendor_ruby/samizdat/components/resource.rb
/usr/lib/ruby/vendor_ruby/samizdat/components/list.rb
/usr/lib/ruby/vendor_ruby/samizdat.rb