From 2d0b5f5fea8fffc9f1104c45e035d6f63cabe007 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Mail=C3=A4nder?= <matthias@mailaender.name>
Date: Sat, 20 Jul 2024 22:46:49 +0200
Subject: [PATCH] Avoid possibly incompatible ZIP extra data.

---
 OpenRA.Game/FileSystem/ZipFile.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/OpenRA.Game/FileSystem/ZipFile.cs b/OpenRA.Game/FileSystem/ZipFile.cs
index 95cdefcad9..b396dc43d4 100644
--- a/OpenRA.Game/FileSystem/ZipFile.cs
+++ b/OpenRA.Game/FileSystem/ZipFile.cs
@@ -114,6 +114,10 @@ namespace OpenRA.FileSystem
 				pkgStream.Position = 0;
 				pkg = new ZipFile(pkgStream);
 				Name = filename;
+
+				// Remove subfields that can break ZIP updating.
+				foreach (ZipEntry entry in pkg)
+					entry.ExtraData = null;
 			}
 
 			void Commit()