svn commit: r295324 - head/etc/periodic/daily

[Alexander Motin]

Author: mav
Date: Fri Feb  5 17:28:11 2016
New Revision: 295324
URL: https://svnweb.freebsd.org/changeset/base/295324

Log:
  Add error check to not leak logs with syntax errors in case of failed
  `zpool history`.
  
  MFC after:	1 month

Modified:
  head/etc/periodic/daily/800.scrub-zfs

Modified: head/etc/periodic/daily/800.scrub-zfs
==============================================================================
--- head/etc/periodic/daily/800.scrub-zfs	Fri Feb  5 17:14:37 2016	(r295323)
+++ head/etc/periodic/daily/800.scrub-zfs	Fri Feb  5 17:28:11 2016	(r295324)
@@ -63,6 +63,11 @@ case "$daily_scrub_zfs_enable" in
 			_last_scrub=$(zpool history ${pool} | \
 			    sed -ne '2s/ .*$//p')
 		fi
+		if [ -z "${_last_scrub}" ]; then
+			echo "   skipping scrubbing of pool '${pool}':"
+			echo "      can't get last scrubbing date"
+			continue
+		fi
 
 		# Now minus last scrub (both in seconds) converted to days.
 		_scrub_diff=$(expr -e \( $(date +%s) - \