Author: bdrewery
Date: Tue Sep  9 17:03:58 2014
New Revision: 271321
URL: http://svnweb.freebsd.org/changeset/base/271321

Log:
  Don't cross mount boundaries when cleaning tmp files.
  
  Mounting something in /tmp such as a build jail with nullfs mounts for
  some directories can result in very surprising results the next day.
  
  MFC after:    2 weeks
  Relnotes:     yes

Modified:
  head/etc/periodic/daily/110.clean-tmps

Modified: head/etc/periodic/daily/110.clean-tmps
==============================================================================
--- head/etc/periodic/daily/110.clean-tmps      Tue Sep  9 16:57:02 2014        
(r271320)
+++ head/etc/periodic/daily/110.clean-tmps      Tue Sep  9 17:03:58 2014        
(r271321)
@@ -45,8 +45,8 @@ case "$daily_clean_tmps_enable" in
            rc=$(for dir in $daily_clean_tmps_dirs
                do
                    [ ."${dir#/}" != ."$dir" -a -d $dir ] && cd $dir && {
-                       find -d . -type f $args -delete $print
-                       find -d . ! -name . -type d $dargs -delete $print
+                       find -x -d . -type f $args -delete $print
+                       find -x -d . ! -name . -type d $dargs -delete $print
                    } | sed "s,^\\.,  $dir,"
                done | tee /dev/stderr | wc -l)
            [ -z "$print" ] && rc=0
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