On Thu, Jun 08, 2017 at 04:11:52PM +0900, Mike Hommey wrote: > > It probably doesn't matter that much, though, as you'd really want to > > `repack -f` afterwards if you care about getting good deltas. And one > > base object every 50 versions is probably fine for keeping the initial > > pack manageable. > > It actually is possible to have non-linear delta chains with > fast-import, because the cat-blob command resets the delta base when > storing a blob. See > https://github.com/git/git/blob/v2.13.1/fast-import.c#L2984-L2987 > > As a side effect of that, git-cinnabar[1] ends up with decent-ish delta > chains out of the box, without having to go with repack -f, when the > mercurial server gives out changegroup version 2.
Interesting. Today I learned. I agree that bumping the "10" to "50" is doubly important then. -Peff
