class GoogleAutoBackup < Cask
  url 'https://dl.google.com/dl/edgedl/picasa/gpautobackup_setup.dmg'
  homepage 'http://picasa.google.com/'
  version 'latest'
  no_checksum
  link 'Google+ Auto Backup.app'
end

Add Google+ Auto Backup.app latest version
Add Google+ Auto Backup.app latest version

This is the backup tool that comes with latest version of Picasa.
Add it as its own cask if you don't want to download Picasa.

More info:
https://support.google.com/picasa/answer/4392268?p=gpautobackup&rd=1
