From babd112665766d72bd3b5eb0fbe8e94517fee7a0 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Sun, 14 Sep 2025 16:17:40 +0100
Subject: [PATCH] build: use strings.CutPrefix introduced in go1.20

---
 backend/s3/s3.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 3808b48a2..9fb2c51c8 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -6247,8 +6247,8 @@ func (o *Object) downloadFromURL(ctx context.Context, bucketPath string, options
 	metaData := make(map[string]string)
 	for key, value := range resp.Header {
 		key = strings.ToLower(key)
-		if strings.HasPrefix(key, "x-amz-meta-") {
-			metaKey := strings.TrimPrefix(key, "x-amz-meta-")
+		if after, ok := strings.CutPrefix(key, "x-amz-meta-"); ok {
+			metaKey := after
 			metaData[metaKey] = value[0]
 		}
 	}