From 8c3b22859c8e76e5cf8c8b18966ad9069a601cac Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Thu, 30 Jul 2020 16:11:45 +0200
Subject: [PATCH] dont update mimetype when moving to trash

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 lib/private/Files/Cache/Updater.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/private/Files/Cache/Updater.php b/lib/private/Files/Cache/Updater.php
index b6a0e62a88a..79501d910e5 100644
--- a/lib/private/Files/Cache/Updater.php
+++ b/lib/private/Files/Cache/Updater.php
@@ -201,7 +201,11 @@ class Updater implements IUpdater {
 				$this->cache->moveFromCache($sourceCache, $source, $target);
 			}
 
-			if (pathinfo($source, PATHINFO_EXTENSION) !== pathinfo($target, PATHINFO_EXTENSION) && $sourceInfo->getMimeType() !== FileInfo::MIMETYPE_FOLDER) {
+			$sourceExtension = pathinfo($source, PATHINFO_EXTENSION);
+			$targetExtension = pathinfo($target, PATHINFO_EXTENSION);
+			$targetIsTrash = preg_match("/d\d+/", $targetExtension);
+
+			if ($sourceExtension !== $targetExtension && $sourceInfo->getMimeType() !== FileInfo::MIMETYPE_FOLDER && !$targetIsTrash) {
 				// handle mime type change
 				$mimeType = $this->storage->getMimeType($target);
 				$fileId = $this->cache->getId($target);
-- 
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