Re: svn commit: r368713 - head/usr.sbin/freebsd-update

On Wed, Dec 16, 2020 at 9:43 PM Kyle Evans <[email protected]> wrote:
>
> Author: kevans
> Date: Thu Dec 17 03:42:54 2020
> New Revision: 368713
> URL: https://svnweb.freebsd.org/changeset/base/368713
>
> Log:
>   freebsd-update: unconditionally regenerate passwd/login.conf files
>
>   The existing logic is nice in theory, but in practice freebsd-update will
>   not preserve the timestamps on these files. When doing a major upgrade, e.g.
>   from 12.1-RELEASE -> 12.2-RELEASE, pwd.mkdb et al. appear in the INDEX and
>   we clobber the timestamp several times in the process of packaging up the
>   existing system into /var/db/freebsd-update/files and extracting for
>   comparisons. This leads to these files not getting regenerated when they're
>   most likely to be needed.
>
>   Measures could be taken to preserve timestamps, but it's unclear whether
>   the complexity and overhead of doing so is really outweighed by the marginal
>   benefit.
>
>   I observed this issue when pkg subsequently failed to install a package that
>   wanted to add a user, claiming that the user was removed in the process.
>   bapt@ pointed to this pre-existing bug with freebsd-update as the cause.
>
>   PR:           234014, 232921
>   Reviewed by:  bapt, emaste
>   MFC after:    1 week
>   Differential Revision:        https://reviews.freebsd.org/D27635
>

Bah, I found this one immediately after:

PR: 235766
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