[Bug 237538] [patch] cron: add log suppression and mail suppression for successful runs
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Wed Sep 25 02:38:39 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237538
--- Comment #7 from commit-hook at freebsd.org ---
A commit references this bug:
Author: kevans
Date: Wed Sep 25 02:37:42 UTC 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
Changes:
head/usr.sbin/cron/cron/cron.h
head/usr.sbin/cron/cron/do_command.c
head/usr.sbin/cron/cron/popen.c
head/usr.sbin/cron/crontab/crontab.5
head/usr.sbin/cron/lib/entry.c
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