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Date:      Fri, 7 Jan 2011 16:51:43 -0800
From:      Garrett Cooper <gcooper@FreeBSD.org>
To:        freebsd-hackers@freebsd.org
Subject:   [PATCH] document automatic user group removal via pw userdel
Message-ID:  <AANLkTikCdRtSmGvW6ht7bTvujHCaqiwnX2Nu__gVMM7B@mail.gmail.com>

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[-- Attachment #1 --]
Hi Hackers,
    The following is a really short patch commit request for updating
the manpage documentation for pw(8) to note that if I do the
following:

    pw user add foo
    pw user del foo

    It will remove the group foo, but if I do the following:

    pw user add foo
    pw user add bar -G foo
    pw user del foo

    It will retain the foo user group as the membership is non-zero.
This behavior is intuitive, but undocumented in the manpage as it
stands.
    Credits go to Karl Schumaker @ IronPort for the find.
Thanks,
-Garrett

[-- Attachment #2 --]
Index: usr.sbin/pw/pw.8
===================================================================
--- usr.sbin/pw/pw.8	(revision 216495)
+++ usr.sbin/pw/pw.8	(working copy)
@@ -713,6 +713,10 @@
 are also removed if the user's uid is unique and not also used by another account on the
 system.
 .Pp
+If the user specified has a user group associated with it, and the group
+membership when removed is just the user, the user group will be automatically
+removed from the group file as well.
+.Pp
 The
 .Ar usershow
 command allows viewing of an account in one of two formats.

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