>
> But with link-dest you are not creating a new backup; you are only creating
> new LINKS to the same backup.
>
> If the new backup has no changes from the last backup, it takes up no
> space, so why does it matter? You simply expire your old backup off
> automatically with a rotate script.
>
>
>
>
> I don't believe there is any better way than the two you have suggested:
> run and delete if there were no changes, or check first with -n. Note
> that with the first approach, you don't need a separate diff command;
> you can just use -i and check whether the itemize output is nonempty.
>
>
I'm currently using rsync and --link-dest to give me something like a
poor-man's incremental snapshot to disk. But I really only want to generate
a new backup if rsync detects differences, otherwise I don't need a new
backup.
Currently I do something like this:
rsync -a --delete --link-dest=../b
