enabling this option may have no effect or throw an error depending on libdar version.
CreateOptions.setDeltaSignature
void setDeltaSignature(bool val) @safeEnables or disables storing delta signatures for future incremental backups.
When enabled, rsync-like signatures are computed and stored alongside saved files. These signatures can be used by subsequent incremental backups to compute binary deltas, transferring only changed blocks rather than entire files.
Parameters
val | true to enable delta signatures, false to disable (default) |
Note
Requires librsync support at compile time. If librsync is not available,