On Wed, Mar 10, 2010 at 23:58, Jacob Godserv <
address@hidden> wrote:
> I had an interesting idea that just occurred to me. I'm probably as
> unhelpful as ever, but it's worth a shot. :)
>
> A checksum for each block within a file (the parts that duplicity can
> diff against; I'm pretty sure they're bigger than a byte) could be
> generated and placed into an array or temporary folder of some sort,
> ccache-style. When another block has the same checksum, duplicity
> could simply reference the location of the original checksum.
Something along those lines has been developed in bup, which might interest you: