From efe9ff60069e519200c7eaf826832d00fe797c22 Mon Sep 17 00:00:00 2001
From: Mikhail Klementev <jollheef@riseup.net>
Date: Sat, 1 Dec 2018 17:13:38 +0000
Subject: [PATCH] Merge kernels, not just append

---
 main.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 443f021..468e052 100644
--- a/main.go
+++ b/main.go
@@ -99,7 +99,11 @@ func main() {
 			log.Fatalln(err)
 		}
 
-		kcfg.Kernels = append(kcfg.Kernels, userKcfg.Kernels...)
+		for _, nk := range userKcfg.Kernels {
+			if !hasKernel(nk, kcfg) {
+				kcfg.Kernels = append(kcfg.Kernels, nk)
+			}
+		}
 	}
 
 	switch kingpin.MustParse(app.Parse(os.Args[1:])) {