GNU bug report logs - #43162
chgrp clears setgid even when group is not changed

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Karl Berry <karl <at> freefriends.org>
Subject: bug#43162: closed (Re: bug#43162: chgrp clears setgid even when
 group is not changed)
Date: Wed, 02 Sep 2020 02:10:02 +0000

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Your bug report

#43162: chgrp clears setgid even when group is not changed

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 43162 <at> debbugs.gnu.org.

-- 
43162: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=43162
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Karl Berry <karl <at> freefriends.org>
Cc: 43162-done <at> debbugs.gnu.org
Subject: Re: bug#43162: chgrp clears setgid even when group is not changed
Date: Tue, 1 Sep 2020 19:09:23 -0700

On 9/1/20 3:30 PM, Karl Berry wrote:
> I was on centos7.
> 
>      (I don't observe your problem on my Fedora 31 box, for example).
> 
> Maybe there is hope for a future centos, then.

Maybe. Or it could be a filesystem or mounting issue. My filesystem was ext4 
mounted rw,relatime,seclabel, for what it's worth.

Anyway, closing the bug report.

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From: Karl Berry <karl <at> freefriends.org>
To: bug-coreutils <at> gnu.org
Subject: chgrp clears setgid even when group is not changed
Date: Tue, 1 Sep 2020 15:25:45 -0600

Is it necessary for chgrp to clear setgid on directories even when the
group is not actually changed? In my life at least, it is rather
annoying. --thanks, karl.

$ mkdir foo
$ chmod g+s foo
$ ls -ld foo
drwxrwsr-x 2 karl root 6 Sep  1 10:36 foo/
$ chgrp root foo
$ ls -ld foo
drwxrwxr-x 2 karl root 6 Sep  1 10:36 foo/

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