There you go Alan, the answer to your question.  Use SVN.  :-)

On 1/16/06, Gerhard Fiedler <lists@connectionbrazil.com> wrote:
>
> Alan B. Pearce wrote:
>
> > One other question, do any of the CVS systems allow incremental backups,
> > where only items changed since a last full backup would be backed up?
> This,
> > to me anyway, would seem to be a sensible way of doing it without
> needing to
> > spend money on a tape drive or whatever, to do a full backup each time.
>
> Yes and no, depending on what you mean by "item".
>
> CVS is based on RCS files. Every file in your sandbox corresponds to a
> file
> in the repository, which contains the complete history of that file. The
> file changes whenever you commit to it.
>
> So yes, if you do incremental backups (with a backup app that supports
> that, like xcopy :) you would back up only the files that changed since
> last time.
>
> But no, you would not only back up what changed, you would back up all
> files that changed -- including the history parts that didn't change. (Say
> you change a character in a 100k file, you'd still back up the 100k file.)
>
> Sector-oriented incremental backups may work differently, but that's a
> different story.
>
> Gerhard
>
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--


Shawn Wilton (b9 Systems)
http://black9.com
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