From f6a4d33ef76d6ca303d63ac4912a55d7620607cf Mon Sep 17 00:00:00 2001
From: Vincent Petry <pvince81@owncloud.com>
Date: Mon, 31 Aug 2015 15:14:10 +0200
Subject: Check for file existence before doing a DAV copy

Partial backport of f39fcbc250c3817e0c62627b127cf31a70dca36a from 8.1
---
 lib/private/connector/sabre/objecttree.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/private/connector/sabre/objecttree.php b/lib/private/connector/sabre/objecttree.php
index 11b0abf3bfc..09e0ea89318 100644
--- a/lib/private/connector/sabre/objecttree.php
+++ b/lib/private/connector/sabre/objecttree.php
@@ -203,6 +203,9 @@ class ObjectTree extends \Sabre\DAV\ObjectTree {
 			throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
 		}
 
+		// this will trigger existence check
+		$this->getNodeForPath($source);
+
 		try {
 			if ($this->fileView->is_file($source)) {
 				$this->fileView->copy($source, $destination);
-- 
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