From ea66ae0811e4248a4beab801cd6afbb047519450 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Fri, 16 Jun 2017 10:54:46 +0200
Subject: [PATCH] s3: Fix IsNotExist()

---
 src/restic/backend/s3/s3.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/restic/backend/s3/s3.go b/src/restic/backend/s3/s3.go
index 2fb88d2a6..6271910f5 100644
--- a/src/restic/backend/s3/s3.go
+++ b/src/restic/backend/s3/s3.go
@@ -84,7 +84,15 @@ func Open(cfg Config) (restic.Backend, error) {
 // IsNotExist returns true if the error is caused by a not existing file.
 func (be *Backend) IsNotExist(err error) bool {
 	debug.Log("IsNotExist(%T, %#v)", err, err)
-	return os.IsNotExist(err)
+	if os.IsNotExist(errors.Cause(err)) {
+		return true
+	}
+
+	if e, ok := errors.Cause(err).(minio.ErrorResponse); ok && e.Code == "NoSuchKey" {
+		return true
+	}
+
+	return false
 }
 
 // Join combines path components with slashes.