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Subject: Re: Question about tar v1.28
To: cygwin AT cygwin DOT com
References: <1104577559 DOT 5773489 DOT 1457451810513 DOT JavaMail DOT yahoo DOT ref AT mail DOT yahoo DOT com> <1104577559 DOT 5773489 DOT 1457451810513 DOT JavaMail DOT yahoo AT mail DOT yahoo DOT com> <56DF65A1 DOT 6060305 AT redhat DOT com>
From: Eric Blake <eblake AT redhat DOT com>
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Date: Thu, 8 Dec 2016 21:04:21 -0600
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From: Eric Blake <eblake AT redhat DOT com>
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Subject: Re: Question about tar v1.28
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[reviving an old thread]

On 03/08/2016 05:52 PM, Eric Blake wrote:
> On 03/08/2016 08:43 AM, Douglas Coup wrote:
>> Hello Cygwin community.=20
>>
>> I'm observing some unusual behavior with tar v1.28, running as part of=
=20
>> 32-bit Cygwin on a Windows 10 machine.=20
>=20
> I noticed this in your cygcheck output:
>=20
>> cygdrive prefix /cygdrive system text,noacl,posix=3D0,auto
>=20
> Why are you text-mounting it?  Is your current working directory
> somewhere under that text mount?  It may be a bug in tar's handling of
> text-mounted files (ideally, tar should be reopening everything binary
> in spite of text mounts, but I may have missed a spot).

In fact, I missed LOTS of spots.  My cygwin-specific patches to 1.27
were accidentally not copied to 1.28.  I'm fixing it as part of
packaging 1.29, which should hit mirrors soon.

I'm actually a bit surprised that there were so few reports of this
problem in the meantime (I built 1.28 in May 2015, this report was in
March 2016, and I didn't find much else about it in the meantime).
Maybe that means that text mounts are used much less than they used to
be when I took over building tar in 2005, back when setup.exe used to
have a now-removed option to create text mounts at install time.

--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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