From 87abf1f38e3d8991b8c9658d8a78023c912d5db0 Mon Sep 17 00:00:00 2001
From: "Mikhail f. Shiryaev" <mr.felixoid@gmail.com>
Date: Wed, 10 Apr 2019 14:29:04 +0200
Subject: [PATCH] Issue #4947, add check for empty variable

---
 docker/server/entrypoint.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docker/server/entrypoint.sh b/docker/server/entrypoint.sh
index 78d591cfd50..b1a8802d95f 100644
--- a/docker/server/entrypoint.sh
+++ b/docker/server/entrypoint.sh
@@ -32,6 +32,8 @@ for dir in "$DATA_DIR" \
   "$USER_PATH" \
   "$FORMAT_SCHEMA_PATH"
 do
+    # check if variable not empty
+    [ -z "$dir" ] && continue
     # ensure directories exist
     if ! mkdir -p "$dir"; then
         echo "Couldn't create necessary directory: $dir"