Install only when no database tables are there

docker-entrypoint.sh

@@ -12,9 +12,7 @@ if [ ! -f $CONFIGFILE ]; then
 
     cp "$DOCKERCONFIGFILE" "$CONFIGFILE" 
     cp "$CONF.dist" "$CONF" 
-
-    # Setup mysql database
-    echo "INSTALL DB"
+fi
 
 # wait until MySQL is really available
 maxcounter=45
@@ -29,6 +27,11 @@ if [ ! -f $CONFIGFILE ]; then
     fi;
 done
 
+# Check if the connected database has tables, otherwise install the database
+if [[ $(mysql -f -u $MYSQL_USER -h $MYSQL_HOST -p$MYSQL_PASSWORD $MYSQL_DATABASE -e "show tables;" --batch | wc -l) -eq 0 ]]; then
+
+    # Setup mysql database
+    echo "INSTALL DB"
     mysql -f -u $MYSQL_USER -h $MYSQL_HOST -p$MYSQL_PASSWORD $MYSQL_DATABASE < ${STUDIP}/db/studip.sql
     echo "INSTALL DEFAULT DATA"
     mysql -f -u $MYSQL_USER -h $MYSQL_HOST -p$MYSQL_PASSWORD $MYSQL_DATABASE < ${STUDIP}/db/studip_default_data.sql
@@ -44,6 +47,8 @@ if [ ! -f $CONFIGFILE ]; then
     fi
 
     echo "INSTALLATION FINISHED"
+else
+    echo "Found some SQL table. Skipping installation"
 fi
 
 if [ ! -z $AUTO_MIGRATE ]; then