Linus Torvalds <torvalds@linux-foundation.org> writes:

quoted text
> On Mon, 16 Jul 2007, Thomas Glanzmann wrote:
>>
>> Calling unlink on a directory on a Solaris UFS filesystem as root makes it
>> inconsistent. Thanks to Johannes Sixt for the obvious fix.
>
> Ack, I think this is the right thing to do.
>
> As pointed out, it doesn't _guarantee_ that git won't call
> "unlink()" on a directory (race conditions etc), but that's
> fundamentally true (there is no "funlink()" like there is
> "fstat()"), and besides, that is in no way git-specific (ie it's
> true of *any* application that gets run as root).

Please note that doing "remove" before "mkdir" without checking for
directoriness still offers a race window where one can slip in a new
non-directory file.

-- 
David Kastrup

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