From fa3087f7a1705a115bc65201ef9f86b93aae812e Mon Sep 17 00:00:00 2001
From: Michael Lange <dingoeatingfuzz@gmail.com>
Date: Sat, 12 Oct 2019 21:24:23 -0700
Subject: [PATCH] Exit pipeline early if the tiles are already generated

---
 pipeline.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pipeline.sh b/pipeline.sh
index a7a4e5d..eff34f5 100755
--- a/pipeline.sh
+++ b/pipeline.sh
@@ -1,3 +1,8 @@
+if [ -f "tiles/tiles.mbtiles" ]; then
+  echo "Tiles already generated."
+  exit 0;
+fi
+
 mkdir -p tiles
 time tl copy -z 10 -Z 15 \
   -b "-123.2762 45.1926 -122.1817 45.8201" \