From 35b5e8e67078a18b9bd2926ad3869ad9b1f3b8a8 Mon Sep 17 00:00:00 2001
From: rootzoll <christian@geektank.de>
Date: Thu, 4 Apr 2024 12:36:52 +0200
Subject: [PATCH] fail on wrong branch

---
 ci/packer.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ci/packer.sh b/ci/packer.sh
index 3d2be0227..525fa2f09 100644
--- a/ci/packer.sh
+++ b/ci/packer.sh
@@ -98,6 +98,13 @@ cd raspiblitz
 
 # checkout the desired branch
 git checkout $BRANCH
+if [ $? -gt 0 ]; then
+  cd ..
+  rm -rf raspiblitz 2>/dev/null
+  echo "# BRANCH: ${BRANCH}"
+  echo "error='git checkout BRANCH failed'"
+  exit 1
+fi
 
 # check commit hash if set
 if [ ${#COMMITHASH} -gt 0 ]; then