/usr/share/ruby-entypo-rails/app/ is in ruby-entypo-rails 3.0.0~pre~rc2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ruby-entypo-rails/app/assets/
/usr/share/ruby-entypo-rails/app/assets/fonts/
/usr/share/ruby-entypo-rails/app/assets/fonts/entypo.eot
/usr/share/ruby-entypo-rails/app/assets/fonts/entypo.svg
/usr/share/ruby-entypo-rails/app/assets/fonts/entypo.ttf
/usr/share/ruby-entypo-rails/app/assets/fonts/entypo.woff
/usr/share/ruby-entypo-rails/app/assets/stylesheets/
/usr/share/ruby-entypo-rails/app/assets/stylesheets/entypo-fonts.scss
/usr/share/ruby-entypo-rails/app/assets/stylesheets/entypo.scss.erb
/usr/share/ruby-entypo-rails/app/controllers/
/usr/share/ruby-entypo-rails/app/controllers/entypo/
/usr/share/ruby-entypo-rails/app/controllers/entypo/charmap_controller.rb
/usr/share/ruby-entypo-rails/app/views/
/usr/share/ruby-entypo-rails/app/views/entypo/
/usr/share/ruby-entypo-rails/app/views/entypo/charmap/
/usr/share/ruby-entypo-rails/app/views/entypo/charmap/index.html.erb