require 'facter'

# This is derived from the file /var/lib/apt/periodic/update-success-stamp
# This is generated upon a successful apt-get update run natively in ubuntu.
# the Puppetlabs-apt module deploys this same functionality for other debian-ish OSes
Facter.add('apt_update_last_success') do
  confine osfamily: 'Debian'
  setcode do
    if File.exist?('/var/lib/apt/periodic/update-success-stamp')
      # get epoch time
      File.mtime('/var/lib/apt/periodic/update-success-stamp').to_i
    else
      -1
    end
  end
end