/usr/ is in ruby-dotenv 2.0.2-1.
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/usr/share/rubygems-integration/all/specifications/dotenv-2.0.2.gemspec
/usr/share/doc/
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/usr/lib/
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/usr/lib/ruby/vendor_ruby/dotenv/
/usr/lib/ruby/vendor_ruby/dotenv/rails.rb
/usr/lib/ruby/vendor_ruby/dotenv/rails-now.rb
/usr/lib/ruby/vendor_ruby/dotenv/environment.rb
/usr/lib/ruby/vendor_ruby/dotenv/parser.rb
/usr/lib/ruby/vendor_ruby/dotenv/version.rb
/usr/lib/ruby/vendor_ruby/dotenv/tasks.rb
/usr/lib/ruby/vendor_ruby/dotenv/cli.rb
/usr/lib/ruby/vendor_ruby/dotenv/substitutions/
/usr/lib/ruby/vendor_ruby/dotenv/substitutions/variable.rb
/usr/lib/ruby/vendor_ruby/dotenv/substitutions/command.rb
/usr/lib/ruby/vendor_ruby/dotenv.rb
/usr/lib/ruby/vendor_ruby/dotenv-rails.rb