From 4683968925b405245902a8f2c8f03682d5fb7a29 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Tue, 17 Sep 2024 06:46:31 +0200
Subject: [PATCH] Fix regression of #4119 (#4121)

---
 cli/exec/metadata.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cli/exec/metadata.go b/cli/exec/metadata.go
index dff5f7947..db2f9d95f 100644
--- a/cli/exec/metadata.go
+++ b/cli/exec/metadata.go
@@ -45,7 +45,7 @@ func metadataFromContext(_ context.Context, c *cli.Command, axis matrix.Axis) (m
 
 	var changedFiles []string
 	changedFilesRaw := c.String("pipeline-files")
-	if changedFilesRaw[0] == '[' {
+	if len(changedFilesRaw) != 0 && changedFilesRaw[0] == '[' {
 		if err := json.Unmarshal([]byte(changedFilesRaw), &changedFiles); err != nil {
 			return metadata.Metadata{}, fmt.Errorf("pipeline-files detected json but could not parse it: %w", err)
 		}