From 770267b4172b92d4494999662ab33cae18d44b44 Mon Sep 17 00:00:00 2001
From: Christoph Wagner <wagner@webit.de>
Date: Wed, 4 Jul 2018 21:07:31 +0200
Subject: [PATCH] set TAG in build only if not set before

---
 build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index f92d66e..1d37d54 100755
--- a/build.sh
+++ b/build.sh
@@ -10,7 +10,7 @@ if [ "$1" = "dev" ]; then
 fi
 
 REG_URL=${REGISTRY}_URL
-TAG=0.1
+: "${TAG:=0.1}"
 
 if [ "$EVENT_TYPE" = "cron" ]  || [ "$DEV" = "true" ]; then
     python3 -m venv venv