From a1d02febd642e5d106b55a7b49bc93108fea2db7 Mon Sep 17 00:00:00 2001
From: Wouter Born <github@maindrain.net>
Date: Wed, 12 Jan 2022 12:41:23 +0100
Subject: [PATCH] Prevent README.md from being messed up in case of GitHub
 issues

Signed-off-by: Wouter Born <github@maindrain.net>
---
 helper-functions | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/helper-functions b/helper-functions
index 59aaf12..0ec4e42 100644
--- a/helper-functions
+++ b/helper-functions
@@ -138,6 +138,11 @@ generate_readme_versions() {
 update_readme() {
 	local file=README.md
 
+	if [ "$(last_stable_version)" == "" ]; then
+		echo "Cannot update $file because the last stable version is unknown!"
+		exit 1
+	fi
+
 	local generate="false"
 	while IFS= read -r line
 	do