From 49559d53d76ab53c64f83a7a6e8dfdd16bf4d50a Mon Sep 17 00:00:00 2001
From: Christian Kellner <christian@kellner.me>
Date: Mon, 27 Jun 2022 21:26:38 +0200
Subject: [PATCH] pipeline/os: only infer kernel version if name is not empty

Do not try to infer the kernel verison if `kernelName` is the
empty string.
---
 internal/pipeline/os.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/internal/pipeline/os.go b/internal/pipeline/os.go
index 2068500c3..fbe1da4ff 100644
--- a/internal/pipeline/os.go
+++ b/internal/pipeline/os.go
@@ -100,7 +100,10 @@ func NewOSPipeline(buildPipeline *BuildPipeline,
 	if osTree {
 		name = "ostree-tree"
 	}
-	kernelVer := rpmmd.GetVerStrFromPackageSpecListPanic(packages, kernelName)
+	var kernelVer string
+	if kernelName != "" {
+		kernelVer = rpmmd.GetVerStrFromPackageSpecListPanic(packages, kernelName)
+	}
 	return OSPipeline{
 		Pipeline:       New(name, buildPipeline, nil),
 		osTree:         osTree,