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bug#15945: chown: Does now allow setting user and users login group with


From: Bob Proulx
Subject: bug#15945: chown: Does now allow setting user and users login group with numerical user ID
Date: Thu, 21 Nov 2013 09:47:23 -0700
User-agent: Mutt/1.5.21 (2010-09-15)

Eric Blake wrote:
> OWNER':'
>      If a colon but no group name follows OWNER, that user is made the
>      owner of the files and the group of the files is changed to OWNER's
>      login group.

Long ago this was an existing behavior of GNU rm and discussion on the
list talked of removing it.  I defended it because I often used this
on various systems to set the default group of a user.  Because some
systems are configured with user-private-groups where the user is in a
private group while on other systems the user is in a shared "users"
group.  Using 'chown foo: file' was a nice way to set the group to
foo's default group without needing to figure out what that group was
ahead of time.  I don't know when it was introduced into GNU chown but
at the least I had been using it extensively.

> so it looks like we have a bug that if OWNER is numeric, we aren't
> looking up OWNER's login group.

Seems that way.

Bob





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