on success, record "backup_initialize" event; on failure, record "backup_transport_failure" event (and add tags to "backup_transport_failure" events that aren't associated with a particular package -- namely "(initialize)" and "(finish)").
on success, record "backup_initialize" event; on failure, record "backup_transport_failure" event (and add tags to "backup_transport_failure" events that aren't associated with a particular package -- namely "(initialize)" and "(finish)").