From bd11d3cb62e13b1760a45ef9261cdd954c07df3f Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Mon, 14 Jan 2019 12:07:25 +0000
Subject: [PATCH] vfs: Fix panic on rename with --dry-run set - fixes #2911

---
 vfs/file.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vfs/file.go b/vfs/file.go
index 47fdf22ab..eec001b86 100644
--- a/vfs/file.go
+++ b/vfs/file.go
@@ -123,6 +123,12 @@ func (f *File) rename(destDir *Dir, newName string) error {
 			fs.Errorf(f.Path(), "File.Rename error: %v", err)
 			return err
 		}
+		// newObject can be nil here for example if --dry-run
+		if newObject == nil {
+			err = errors.New("rename failed: nil object returned")
+			fs.Errorf(f.Path(), "File.Rename %v", err)
+			return err
+		}
 		// Update the node with the new details
 		fs.Debugf(f.o, "Updating file with %v %p", newObject, f)
 		// f.rename(destDir, newObject)