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Message-ID:	<430B0B09.4080602@byu.net>
Date:	Tue, 23 Aug 2005 05:39:53 -0600
From:	Eric Blake <ebb9 AT byu DOT net>
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To:	Chris Mumford <cmumford AT Credant DOT com>
CC:	bug-coreutils AT gnu DOT org, cygwin AT cygwin DOT com
Subject:	Re: Bug in cygwin's mkdir
References:	<6EBAD6646B5F934E8E11D44DE818AF12018998AA AT troon DOT Credant DOT Com>
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According to Chris Mumford on 8/22/2005 3:02 PM:
> I came across what I believe is an interesting bug. 
> 
> Let's say I have a file in a directory named "foo.exe". If I run "mkdir
> foo" then it succeeds. If I then run "mkdir -p foo" then it fails. If I
> remove foo.exe then "mkdir -p foo" succeeds.
> 
> The error message contains says "foo exists but is not a directory".

Bugs in the cygwin packaging of coreutils should be reported to cygwin AT
cygwin.com.  Setting the reply-to: accordingly.

What you are seeing is caused by cygwin's auto-.exe extension behavior,
and is not a bug in the upstream sources.  The problem is that on cygwin,
stat(2) on "foo" returns information for "foo.exe" if "foo" did not exist
(a cygwin design decision that helps 99% of the time, since Windows does
not like executables without extensions but Unix does; but it interferes
in this case).  The code path for `mkdir -p' uses stat(2) while the code
path for regular `mkdir' does not.  Now that you've reported it, the
cygwin team will probably write a cygwin-specific patch to `mkdir -p' to
ignore stat(2) if it appended .exe.

- --
Life is short - so eat dessert first!

Eric Blake             ebb9 AT byu DOT net
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