svn commit: r352668 - in head/usr.sbin/cron: cron crontab lib

[Kyle Evans]

On Wed, Sep 25, 2019 at 1:58 AM Baptiste Daroussin <bapt at freebsd.org> wrote:
>
> On Wed, Sep 25, 2019 at 02:37:41AM +0000, Kyle Evans wrote:
> > Author: kevans
> > Date: Wed Sep 25 02:37:40 2019
> > New Revision: 352668
> > URL: https://svnweb.freebsd.org/changeset/base/352668
> >
> > Log:
> >   cron: add log suppression and mail suppression for successful runs
> >
> >   This commit adds two new extensions to crontab, ported from OpenBSD:
> >   - -n: suppress mail on succesful run
> >   - -q: suppress logging of command execution
> >
> >   The -q option appears decades old, but -n is relatively new. The
> >   original proposal by Job Snijder can be found here [1], and gives very
> >   convincing reasons for inclusion in base.
> >
> >   This patch is a nearly identical port of OpenBSD cron for -q and -n
> >   features. It is written to follow existing conventions and style of the
> >   existing codebase.
> >
> >   Example usage:
> >
> >   # should only send email, but won't show up in log
> >   * * * * * -q date
> >
> >   # should not send email
> >   * * * * * -n date
> >
> >   # should not send email or log
> >   * * * * * -n -q date
> >
> >   # should send email because of ping failure
> >   * * * * * -n -q ping -c 1 5.5.5.5
> >
> >   [1]: https://marc.info/?l=openbsd-tech&m=152874866117948&w=2
> >
> >   PR:         237538
> >   Submitted by:       Naveen Nathan <freebsd_t.lastninja.net>
> >   Reviewed by:        bcr (manpages)
> >   MFC after:  1 week
> >   Differential Revision:      https://reviews.freebsd.org/D20046
> >
> I do think this deserves an entry in the release notes
>

Ahh, I'm inclined to agree. I'll write up a RELNOTES entry here shortly.

Thanks,

Kyle Evans