From b06423e45d5a5770116a532b6c897104a66d7afa Mon Sep 17 00:00:00 2001
From: "marcel.kocisek" <marcel.kocisek@lutraconsulting.co.uk>
Date: Mon, 22 Sep 2025 12:13:59 +0200
Subject: [PATCH] Do not validate diff files  against mime type

---
 server/mergin/sync/models.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/mergin/sync/models.py b/server/mergin/sync/models.py
index 98241d35..9574a69d 100644
--- a/server/mergin/sync/models.py
+++ b/server/mergin/sync/models.py
@@ -1099,7 +1099,10 @@ def process_chunks(
                         errors[f.path] = FileSyncErrorType.CORRUPTED.value
                         continue
 
-                if not is_supported_type(temporary_location):
+                if (
+                    not f.change == PushChangeType.UPDATE_DIFF
+                    and not is_supported_type(temporary_location)
+                ):
                     logging.info(f"Rejecting blacklisted file: {temporary_location}")
                     errors[f.path] = FileSyncErrorType.UNSUPPORTED.value
                     continue