/usr/ is in ruby-diaspora-prosody-config 0.0.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/prosody/
/usr/lib/prosody/modules/
/usr/lib/prosody/modules/mod_auth_diaspora.lua
/usr/lib/prosody/modules/mod_diaspora_contacts.lua
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/diaspora-prosody-config.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-diaspora-prosody-config/
/usr/share/doc/ruby-diaspora-prosody-config/README.md
/usr/share/doc/ruby-diaspora-prosody-config/changelog.Debian.gz
/usr/share/doc/ruby-diaspora-prosody-config/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/diaspora-prosody-config-0.0.7.gemspec