/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/ is in ruby-railties 2:4.2.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/%name%.gemspec
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/Gemfile
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/MIT-LICENSE
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/README.rdoc
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/Rakefile
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/controllers/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/controllers/%name%/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/controllers/%name%/application_controller.rb.tt
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/helpers/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/helpers/%name%/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/helpers/%name%/application_helper.rb.tt
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/views/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/views/layouts/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/views/layouts/%name%/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/app/views/layouts/%name%/application.html.erb.tt
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/bin/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/bin/rails.tt
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/config/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/config/routes.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/gitignore
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/%name%/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/%name%.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/%name%/engine.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/%name%/version.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/tasks/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/lib/tasks/%name%_tasks.rake
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/application.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/boot.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/javascripts.js
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/routes.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/rails/stylesheets.css
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/test/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/test/%name%_test.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/test/integration/
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/test/integration/navigation_test.rb
/usr/lib/ruby/vendor_ruby/rails/generators/rails/plugin/templates/test/test_helper.rb