-if [ -e scripts/docker/"${IMAGE}"/env ]; then
- local_conf="$local_conf --env-file scripts/docker/${IMAGE}/env"
+if [ -e "${image_path}/env" ]; then
+ local_conf="$local_conf --env-file ${image_path}/env"
+fi
+
+# copy XDG_RUNTIME_DIR if set
+if [ "$XDG_RUNTIME_DIR" != "" ]; then
+ local_conf="$local_conf -e XDG_RUNTIME_DIR='$XDG_RUNTIME_DIR'"