Re: [PATCH] fsck: warn about '.' and '..' in trees

> A tree with meta-paths like '.' or '..' does not work well
> with git; the index will refuse to load it or check it out
> to the filesystem (and even if we did not have that safety,
> it would look like we were overwriting an untracked
> directory). For the same reason, it is difficult to create
> such a tree with regular git.
>
> Let's warn about these dubious entries during fsck, just in
> case somebody has created a bogus tree (and this also lets
> us prevent them from propagating when transfer.fsckObjects
> is set).
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> I don't think this is happening in the wild, but I did see somebody
> playing around with libgit2 make such a tree (and it is easy to do with
> git-mktree, of course).
>
> Technically one could use git with such a tree as long as you never ever
> checked out the result, but I think it is sufficiently crazy that we
> should probably detect it, just in case.