public async void upgrade_system_async (Bitfield transaction_flags, string distro_id, UpgradeKind upgrade_kind, Cancellable? cancellable, ProgressCallback progress_callback)
This transaction will update the distro to the next version, which may involve just downloading the installer and setting up the boot device, or may involve doing an on-line upgrade.
The backend will decide what is best to do.
a valid Client instance
a transaction type bitfield
a distro ID such as "fedora-14"
a Cancellable or
the function to run when the progress changes
the function to run on completion
data to pass to
the data to pass to