/usr/share/weechat/ruby/ is in weechat-scripts 20140928-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/weechat/ruby/amqp_notify.rb
/usr/share/weechat/ruby/auth.rb
/usr/share/weechat/ruby/challengeauth.rb
/usr/share/weechat/ruby/countdown.rb
/usr/share/weechat/ruby/dcc_send_relay.rb
/usr/share/weechat/ruby/gntp_notify.rb
/usr/share/weechat/ruby/hilites.rb
/usr/share/weechat/ruby/input_lock.rb
/usr/share/weechat/ruby/minbif_typing_notice.rb
/usr/share/weechat/ruby/mpdspam.rb
/usr/share/weechat/ruby/myuptime.rb
/usr/share/weechat/ruby/samechannel.rb
/usr/share/weechat/ruby/substitution.rb
/usr/share/weechat/ruby/undernet_challenge.rb
/usr/share/weechat/ruby/url_shorten.rb
/usr/share/weechat/ruby/weefish.rb
/usr/share/weechat/ruby/xmms2.rb
/usr/share/weechat/ruby/zmq_notify.rb