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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Mon, 14 Apr 2014 22:01:50 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r264480 - head/usr.sbin/mergemaster
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Author: jilles
Date: Mon Apr 14 22:01:49 2014
New Revision: 264480
URL: http://svnweb.freebsd.org/changeset/base/264480

Log:
  mergemaster: Avoid "/var/tmp/temproot disappeared" if there is nothing to
  compare.
  
  Because of the change to find in SVN r253886, the entire temproot would be
  deleted if it became empty, leading to a confusing message "*** FATAL ERROR:
  The temproot directory ${TEMPROOT} has disappeared!"
  
  Note that mergemaster does not do anything useful in this situation anyway
  (e.g. put IGNORE_FILES="/etc/group /etc/master.passwd" in
  /etc/mergemaster.rc and run mergemaster -p).
  
  As noted in that commit, add -mindepth 1.
  
  PR:		bin/188485
  Submitted by:	David Boyd
  MFC after:	1 week

Modified:
  head/usr.sbin/mergemaster/mergemaster.sh

Modified: head/usr.sbin/mergemaster/mergemaster.sh
==============================================================================
--- head/usr.sbin/mergemaster/mergemaster.sh	Mon Apr 14 21:44:34 2014	(r264479)
+++ head/usr.sbin/mergemaster/mergemaster.sh	Mon Apr 14 22:01:49 2014	(r264480)
@@ -709,7 +709,7 @@ case "${RERUN}" in
   # and to make the actual comparison faster.
   find ${TEMPROOT}/usr -type l -delete 2>/dev/null
   find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null
-  find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null
+  find -d ${TEMPROOT} -type d -empty -mindepth 1 -delete 2>/dev/null
 
   # Build the mtree database in a temporary location.
   case "${PRE_WORLD}" in