1 files changed, 3 insertions, 0 deletions
diff --git a/lib/dir.sh b/lib/dir.sh
index b72d786..0b866c0 100644
--- a/lib/dir.sh
+++ b/lib/dir.sh
@@ -17,6 +17,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+[ "x${_DIR_SM+set}" = 'xset' ] && return 0
+_DIR_SM=1
+
 hash_name()
 {
 	local name="${1}"