From eb84b58d3c728be0834bb3bb39282346a41e6b1c Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Thu, 16 Aug 2018 16:00:30 +0100
Subject: [PATCH] webdav: Attempt to remove failed uploads

Some webdav backends (eg rclone serve webdav) leave behind half
written files on error.  This causes the integration tests to
fail. Here we remove the file if it exists.
---
 backend/webdav/webdav.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/backend/webdav/webdav.go b/backend/webdav/webdav.go
index 9aed51139..25721a9c2 100644
--- a/backend/webdav/webdav.go
+++ b/backend/webdav/webdav.go
@@ -968,6 +968,8 @@ func (o *Object) Update(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOptio
 		return shouldRetry(resp, err)
 	})
 	if err != nil {
+		// Remove failed upload
+		_ = o.Remove()
 		return err
 	}
 	// read metadata from remote