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Re: effectiveness of rsync and apt

* Brian Eaton (eaton.lists@gmail.com) [060501 17:49]:
> On 5/1/06, Andreas Barth <aba@not.so.argh.org> wrote:
> >* Brian Eaton (eaton.lists@gmail.com) [060501 16:42]:
> >> On 5/1/06, Andreas Barth <aba@not.so.argh.org> wrote:
> >> >
> >> >If one does it right, it might be enough if the original package is
> >> >*installed*. And that happens quite often, e.g. even for security
> >> >upgrades.
> >
> >> So to do this you'd rebuild the original .debs on the fly, from the
> >> files installed on the system?  Cool!  Do you know if anyone has tried
> >> doing this?
> >
> >No, why? You could just create a diffdeb that contains only the changed
> >files.
> That sounds reasonable.  It depends on the mechanism used to cache
> checksums on the server side.  If you're going to handle individual
> files instead of .debs, you would need to run the checksum routines on
> the files individually instead of on the .debs as a whole.

Or you could create the diffdebs before upload or on ftp-master, and
include the diffdebs somehow in the Packages file (so they're signed as
well by the usual mechanismn).


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