From 1602a3a05552bffff6e22a39a26cee36a29cbb23 Mon Sep 17 00:00:00 2001
From: John Leach <john@johnleach.co.uk>
Date: Wed, 25 Oct 2017 00:17:13 +0100
Subject: [PATCH] Check if swift segments container exists before create

Avoids blindly trying to create the segments container, which can fail if the
authentication credentials don't allow container creates or updates.

Fixes #1769
---
 swift/swift.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/swift/swift.go b/swift/swift.go
index c97e5e959..c4312ffb2 100644
--- a/swift/swift.go
+++ b/swift/swift.go
@@ -788,7 +788,11 @@ func urlEncode(str string) string {
 // container.  It returns a string which prefixes current segments.
 func (o *Object) updateChunks(in0 io.Reader, headers swift.Headers, size int64, contentType string) (string, error) {
 	// Create the segmentsContainer if it doesn't exist
-	err := o.fs.c.ContainerCreate(o.fs.segmentsContainer, nil)
+	var err error = swift.ContainerNotFound
+	_, _, err = o.fs.c.Container(o.fs.segmentsContainer)
+	if err == swift.ContainerNotFound {
+		err = o.fs.c.ContainerCreate(o.fs.segmentsContainer, nil)
+	}
 	if err != nil {
 		return "", err
 	}