Re: git-diff not showing changes (corrupt repo?)

[Junio C Hamano <gitster@pobox.com>]

Dan Zwell <dzwell@gmail.com> writes:

> ... It is the same after I commit the new changes--at that point,
> "git-diff-tree HEAD^ HEAD -p" spits out a nice patch, but "git-diff
> HEAD^ HEAD" gives nothing.

This part is most interesting.  They are both about comparing
two commits and do not interact with anything in the work tree
nor your index.

> I have tried git versions 1.5.1.6-1.5.3.3, and they all act the same,

Do you mean 1.5.1.5 was Ok?  Can you bisect it?

> so I think the repository is corrupt. Does sound familiar to anybody?

Not to me; and I do not think repository is corrupt from the two
"HEAD^ vs HEAD" diff.  There is something entirely different
going on.

> ... I can
> restore from a recent backup and redo some changes, but I would like
> to help troubleshoot this behavior if it is a git bug.

Thanks.