/usr/ is in ruby-jekyll-gist 1.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/jekyll-gist/
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-jekyll-gist/
/usr/share/doc/ruby-jekyll-gist/changelog.Debian.gz
/usr/share/doc/ruby-jekyll-gist/changelog.gz
/usr/share/doc/ruby-jekyll-gist/copyright
/usr/share/doc/ruby-jekyll-gist/README.Debian
/usr/share/doc/ruby-jekyll-gist/README.md
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/jekyll-gist-1.1.0.gemspec
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/jekyll-gist/gist_tag.rb
/usr/lib/ruby/vendor_ruby/jekyll-gist/version.rb
/usr/lib/ruby/vendor_ruby/jekyll-gist.rb
/usr/share/doc/ruby-jekyll-gist/History.markdown.gz