/usr/lib/ruby/ is in ruby-specinfra 0.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/specinfra/
/usr/lib/ruby/vendor_ruby/specinfra/command.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/
/usr/lib/ruby/vendor_ruby/specinfra/command/darwin.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/solaris.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/windows.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/redhat.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/gentoo.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/freebsd.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/debian.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/smartos.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/aix.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/solaris11.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/plamo.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/ubuntu.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/linux.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/base.rb
/usr/lib/ruby/vendor_ruby/specinfra/command/solaris10.rb
/usr/lib/ruby/vendor_ruby/specinfra/version.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/command.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/check_file_access_rules.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/crop_text.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_usergroup.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_installed_application.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/is_port_listening.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_service.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_group.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_user.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/script_helper.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/exec.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/shellscript.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/ssh.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/dockerfile.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/base.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/cmd.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/winrm.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper/
/usr/lib/ruby/vendor_ruby/specinfra/helper/properties.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper/configuration.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper/backend.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper/detect_os.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper/os.rb
/usr/lib/ruby/vendor_ruby/specinfra/properties.rb
/usr/lib/ruby/vendor_ruby/specinfra/configuration.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend.rb
/usr/lib/ruby/vendor_ruby/specinfra/helper.rb
/usr/lib/ruby/vendor_ruby/specinfra.rb