Need to move more intelligence into bundler

Matt Mackall mpm at
Fri May 6 10:38:29 CDT 2011

On Fri, 2011-05-06 at 10:20 +0200, Sune Foldager wrote:
> Benoit, I think we're gonna have to move even more intelligence into the bundler.
> Currently, group performs the main revision loop, and calls the bundler to generate
> each revision entry in the bundle.
> I think we'll need to move the loop into the bundler as well. In that way, the
> bundler can have maximum flexibility to select deltaparents and to ask the revlog
> what deltaparents IT uses, so it might strive to use the same, so the deltas can be
> transfered directly. It can also test that it actually includes, in the bundle, the
> revisions it would base against, which is important.

My plan was that the bundler object would have some capability flags
("yes, I support delta parents") that revlog.addgroup could look at and
choose how to build the bundle deltas. It's more or less equivalent, but
this is slightly preferable to me because it keeps the somewhat more
arcane knowledge of revlogs better contained.

Mathematics is the supreme nostalgia of our time.

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