From: Eric Blake <eblake@redhat.com>
To: cygwin@cygwin.com
Subject: Re: ash is wrong about [ -w Temp ], so rebaseall fails
Date: Wed, 30 Nov 2011 23:12:00 -0000 [thread overview]
Message-ID: <4ED6B224.6080702@redhat.com> (raw)
In-Reply-To: <Pine.NEB.4.64.1111301606080.18777@panix2.panix.com>
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On 11/30/2011 03:17 PM, Tim McDaniel wrote:
> $ /bin/ash -c ' [ -w /Users/tmcdaniel/AppData/Local/Temp ] && echo yes
> || echo no'
> no
>
> So bash and ash disagree on whether this Temp directory is writable.
Known limitation in dash - it is going off of just st_mode bits instead
of using faccessat() and honoring ACLs.
My guess is that if you do 'getfacl /Users/tmcdaniel/AppData/Local/Temp'
and 'id', you will find that your current uid and gid are not the owner
of the directory, but do have an ACL granting write access to the
directory anyway.
I've been meaning to do a new build of dash (aka ash), and to force the
use of faccessat as part of that build; I just haven't had the time to
get to it yet.
--
Eric Blake eblake@redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2011-11-30 22:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-30 22:46 Tim McDaniel
2011-11-30 23:12 ` Eric Blake [this message]
2011-12-03 21:51 ` Eric Blake
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