mirror: Exclude ".~tmp~" directory from sync to prevent errors if upstream is running sync at same time with --delay-updates option.

mirror/files/sync-mirrors

@@ -98,7 +98,7 @@ for mirror in ${SYNC} ; do
         >> ${LOGFILE}
     rsync -aH -4 ${EXTRA_OPTS} --numeric-ids --delete --delete-after \
         --delay-updates --no-motd ${RSYNCOPTS} --log-file=${LOGFILE} \
-        ${SRC} /srv/mirrors/${mirror}/
+        --exclude=.~tmp~/ ${SRC} /srv/mirrors/${mirror}/
     if [ $? -ne 0 ]; then
         echo "WARN: Encountered errors on ${mirror} sync, see ${LOGFILE} for details" 1>&2
     fi