pkg_updates.rb

# These facts don't update pkg database (apt-get update, pacman -Sy, etc)
# Make sure that executing it is handled by cron, as it can take a while

# Archlinux
Facter.add('pkg_updates') do
  confine :operatingsystem => 'Archlinux'
  setcode do
    Facter::Core::Execution.exec('/usr/bin/pacman -Qu|/usr/bin/wc -l')
  end
end

# Debian
Facter.add('pkg_updates') do
  confine :operatingsystem => 'Debian'
  setcode do
    Facter::Core::Execution.exec('/usr/bin/aptitude search \'~U\' | /usr/bin/wc -l')
  end
end