trac-admin /var/lib/trac hotcopy $T/trac-$D > /dev/null
-export GZIP="--rsyncable -9"
export RSYNC_RSH="ssh -ax"
-nice tar --create --gzip --directory=$T --file=$T/$B trac-$D
-nice rsync $T/$B backup::backup
+nice tar --create --directory=$T trac-$D | nice gzip --rsyncable -9 > $T/$B
+nice rsync --preallocate --fuzzy $T/$B backup::backup
rm -rf $T