From 77b55c82e2ed42b7bb1b9d459a77602d5d8de3a0 Mon Sep 17 00:00:00 2001
From: Marvin Scholz <epirat07@gmail.com>
Date: Mon, 11 Apr 2022 00:21:48 +0200
Subject: [PATCH] Further check host values after parsing

If any of the hosts is empty at this point, something has gone wrong.
---
 pkg/credhelper/credhelper.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/credhelper/credhelper.go b/pkg/credhelper/credhelper.go
index 7f851c8..800e393 100644
--- a/pkg/credhelper/credhelper.go
+++ b/pkg/credhelper/credhelper.go
@@ -63,6 +63,9 @@ func matchRegistryURL(serverURLString string) error {
 	if err != nil {
 		return fmt.Errorf("failed to parse registry URL: %w", err)
 	}
+	if serverURL.Hostname() == "" || envURL.Hostname() == "" {
+		return errors.New("failed getting hosts for matching")
+	}
 	if serverURL.Hostname() != envURL.Hostname() {
 		return fmt.Errorf("host '%s' does not match CI_REGISTRY host '%s'",
 			serverURL.Hostname(),