From 73f98de5322f3fdd57a2ede294516b21f7a38685 Mon Sep 17 00:00:00 2001
From: Ilya Zverev <zverik@textual.ru>
Date: Wed, 10 Feb 2016 20:32:30 +0300
Subject: [PATCH] [generator] Fix generate script error

---
 tools/unix/generate_planet.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/unix/generate_planet.sh b/tools/unix/generate_planet.sh
index 3a1c6bd3b6..dce66a66af 100755
--- a/tools/unix/generate_planet.sh
+++ b/tools/unix/generate_planet.sh
@@ -258,7 +258,7 @@ if [ "$MODE" == "coast" ]; then
       # Preprocess coastlines to separate intermediate directory
       "$GENERATOR_TOOL" --intermediate_data_path="$INTCOASTSDIR/" --node_storage=map --osm_file_type=o5m --osm_file_name="$COASTS_O5M" \
         -preprocess 2>> "$LOG_PATH/WorldCoasts.log"
-      if [ -z "$OSRM_URL" ]; then
+      if [ -z "${OSRM_URL-}" ]; then
         log "OSRM_URL variable not set. World roads will not be calculated."
       else
         python "$ROADS_SCRIPT" "$INTCOASTSDIR" "$OSRM_URL" >>"$LOG_PATH"/road_runner.log