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Date:	Wed, 8 Oct 2014 14:54:57 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygport dropping *.exe links
Message-ID:	<20141008125457.GE29235@calimero.vinschen.de>
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On Sep 23 21:24, Eric Blake wrote:
> On 08/15/2014 09:16 AM, Corinna Vinschen wrote:
>=20
> Sorry for taking more than a month to get to the bottom of this one.
> But I have good news:
>=20
> >> $ touch a.exe
> >> $ ln -s a.exe b.exe
> >>  $ ls -l
> >> total 1
> >> -rw-r--r-- 1 marco Administrators 0 Aug 15 16:41 a.exe
> >> lrwxrwxrwx 1 marco Administrators 5 Aug 15 16:41 b.exe -> a.exe
> >>
> >> $ mv b.exe b
> >> $ ls -l
> >> total 0
> >> -rw-r--r-- 1 marco Administrators 0 Aug 15 16:41 a.exe
> >=20
> > Looks like a bug in coreutils 8.23.  This works fine in coreutils-8.15.
>=20
> Actually, this was an intentional upstream change made by coreutils
> 8.16, but which has a negative effect on cygwin .exe magic.  The real
> reason for the change is this upstream testcase:
>=20
> $ ln -s nowhere a
> $ ln a b
> $ mv a b
> $ ls [ab]
> b
>=20
> In coreutils 8.15, this mistakenly errored out instead of deleting 'a'.
>  But the upstream fix for this needs additional cygwin magic to realize
> that when 'b' and 'b.exe' are both symlinks and have the same inode,
> then it is the same as a case change, and NOT a case of hard link
> renames.  I'm cooking up the patch now.

Seems to work fine in 8.23-3.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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