From f06bad5f2396c19a820cce76621399002ef744ea Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Thu, 29 Jul 2021 13:44:18 +0200
Subject: [PATCH] Don't append(x,y) if x is not to be modified

... as append(x,y) would modify x.

refs #324
---
 cmd/icingadb/main.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmd/icingadb/main.go b/cmd/icingadb/main.go
index 6b3347e8..75b5c52f 100644
--- a/cmd/icingadb/main.go
+++ b/cmd/icingadb/main.go
@@ -211,7 +211,11 @@ func run() int {
 
 							// @TODO(el): The customvar runtime update sync may change because the customvar flat
 							// runtime update sync is not yet implemented.
-							return rt.Sync(synctx, append(v1.Factories, v1.NewCustomvar), runtimeUpdateStreams)
+							return rt.Sync(
+								synctx,
+								append([]contracts.EntityFactoryFunc{v1.NewCustomvar}, v1.Factories...),
+								runtimeUpdateStreams,
+							)
 						})
 
 						if err := g.Wait(); err != nil && !utils.IsContextCanceled(err) {