From 047b647af6812eefb1d20ff4565803514787b2ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Toma=C5=BE=20Jerman?= <tomaz.jerman121@gmail.com>
Date: Thu, 9 Dec 2021 16:41:16 +0100
Subject: [PATCH] Prevent envoy from panicking for automation blocks with no
 references

---
 pkg/envoy/resource/compose_page.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkg/envoy/resource/compose_page.go b/pkg/envoy/resource/compose_page.go
index e5ee2e57c..77396312f 100644
--- a/pkg/envoy/resource/compose_page.go
+++ b/pkg/envoy/resource/compose_page.go
@@ -159,6 +159,13 @@ outer:
 				button, _ := b.(map[string]interface{})
 				auxRef = r.pbAutomation(button)
 
+				// In case the block isn't connected to a workflow (placeholder, script)
+				if auxRef == nil {
+					r.removeBlock(i)
+					continue outer
+				}
+
+				// In case we are removing it
 				if auxRef.equals(ref) {
 					r.ReplaceRef(ref, nil)
 					r.WfRefs = r.WfRefs.replaceRef(ref, nil)