/usr/lib/ruby/ is in tmuxinator 0.7.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/tmuxinator/
/usr/lib/ruby/vendor_ruby/tmuxinator.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/assets/
/usr/lib/ruby/vendor_ruby/tmuxinator/assets/sample.yml
/usr/lib/ruby/vendor_ruby/tmuxinator/assets/template.erb
/usr/lib/ruby/vendor_ruby/tmuxinator/assets/wemux_template.erb
/usr/lib/ruby/vendor_ruby/tmuxinator/cli.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/config.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/deprecations.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/pane.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/project.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/util.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/version.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/wemux_support.rb
/usr/lib/ruby/vendor_ruby/tmuxinator/window.rb