After a few months of not too much development, I've come up with some new Dulwich functionality I want to get started on.
First, I think we need a good abstraction for walking between sets of commits, providing the functionality of 'git log'. In addition to providing 'dulwich log', other git implementations use this abstraction internally for doing all the commit walking for other algorithms (e.g. on the server side). If you look at the git-log(1) manpage, there is a *lot* of functionality in there, so I would only expect a subset of it to get implemented in the near future. Part of log walking is rename detection (though I'll probably end up implementing it first). Jelmer, I don't know if you've implemented some of this already for bzr-git, but if you have, I'd be happy to take a look at that. The other big thing I'd like to do is get delta generation for packfiles working. I've seen the commented-out code in pack.py, so hopefully that just needs some cleanup and testing. Of course, C git's packing heuristics are pretty sophisticated, so there's likely lots of room for improvement on top of that. Now, Shawn Pearce has told me from his experience with JGit that implementing all the features of log walking and delta generation can easily take many person-months to do correctly and efficiently. As you may expect, I'm looking to get some subset of the functionality working in a non-optimized way in a shorter timeframe. So, as usual, expect feature improvements to be small and incremental at first.
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