On Mon, Jul 28, 2014 at 06:35:04AM -0400, Jeff King wrote: > I haven't reproduced here yet, but this is almost certainly the bug > where lookup_unknown_object causes a bogus commit->index field (and > prior to the commit you found, diff-tree did not use commit->index). > > The series that Junio has in jk/alloc-commit-id should fix the problem > (it's in master already, and slated for v2.1.0). Yep, that's definitely it. Here's the minimum reproduction: git init git commit --allow-empty -m one git commit --allow-empty -m two git rev-list HEAD | git diff-tree --stdin --always --format=%s That yields: one one on v2.0.3, but merging in jk/alloc-commit-id yields: two one -Peff -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html