From b95bda1e921f3af8a4f195ece82aecddf77f0059 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Fri, 25 Aug 2023 17:39:16 +0100
Subject: [PATCH] s3: fix purging of root directory with --s3-directory-markers
 - fixes #7247

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

diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 18171904e..a925a8d21 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -4833,6 +4833,10 @@ func (f *Fs) purge(ctx context.Context, dir string, oldOnly bool) error {
 		if isDirectory {
 			return nil
 		}
+		// If the root is a dirmarker it will have lost its trailing /
+		if remote == "" {
+			remote = "/"
+		}
 		oi, err := f.newObjectWithInfo(ctx, remote, object, versionID)
 		if err != nil {
 			fs.Errorf(object, "Can't create object %+v", err)