/usr/ is in ruby-redis 3.3.3-1.
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/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/share/doc/ruby-redis/
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/usr/lib/ruby/vendor_ruby/redis/client.rb
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/usr/lib/ruby/vendor_ruby/redis/connection/registry.rb
/usr/lib/ruby/vendor_ruby/redis/connection/ruby.rb
/usr/lib/ruby/vendor_ruby/redis/connection/synchrony.rb
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/usr/lib/ruby/vendor_ruby/redis/distributed.rb
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/usr/lib/ruby/vendor_ruby/redis/subscribe.rb
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/usr/share/doc/ruby-redis/examples/
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/usr/share/rubygems-integration/all/specifications/redis-3.3.3.gemspec