From 6cc9c096107e14774cee8b5edf4507e57b658eef Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Mon, 4 Apr 2016 16:58:28 +0100
Subject: [PATCH] drive: preserve mime type on file update - fixes #417

---
 drive/drive.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drive/drive.go b/drive/drive.go
index b4e159d8d..f1bca4059 100644
--- a/drive/drive.go
+++ b/drive/drive.go
@@ -1049,6 +1049,7 @@ func (o *Object) Update(in io.Reader, src fs.ObjectInfo) error {
 	}
 	updateInfo := &drive.File{
 		Id:           o.id,
+		MimeType:     fs.MimeType(o),
 		ModifiedDate: modTime.Format(timeFormatOut),
 	}