From 4fe6614ae11ec7d0131c78b93360dba642ebea8d Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Mon, 9 Jul 2018 17:00:05 +0100
Subject: [PATCH] s3: fix index out of range error with --fast-list fixes #2388

---
 backend/s3/s3.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index b2cd37ccf..da094bfad 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -864,7 +864,7 @@ func (f *Fs) list(dir string, recurse bool, fn listFn) error {
 			remote := key[rootLength:]
 			// is this a directory marker?
 			if (strings.HasSuffix(remote, "/") || remote == "") && *object.Size == 0 {
-				if recurse {
+				if recurse && remote != "" {
 					// add a directory in if --fast-list since will have no prefixes
 					remote = remote[:len(remote)-1]
 					err = fn(remote, &s3.Object{Key: &remote}, true)