v0.5: sbkeysync's default efivars mountpoint has been moved to /sys/firmware/efi/efivars/. This is to match the proposed Linux kernel patch for efivarfs, which provides this sysfs node for the purpose of mounting efivarfs, and leaving the older ../vars/ interface for legacy applications. This default can be overridden using the --efivars-path option to sbkeysync. v0.1: Initial version