mkdir -p $queuedir/bts_version_track_archive/${timestamp}
rsync -aq $queuedir/bts_version_track/ $queuedir/bts_version_track_archive/${timestamp}
rmdir --ignore-fail-on-non-empty $queuedir/bts_version_track_archive/${timestamp} # remove if empty.
mkdir -p $queuedir/bts_version_track_archive/${timestamp}
rsync -aq $queuedir/bts_version_track/ $queuedir/bts_version_track_archive/${timestamp}
rmdir --ignore-fail-on-non-empty $queuedir/bts_version_track_archive/${timestamp} # remove if empty.