From bbb7e71e34b2be8b3ca6c55870fb445dedeb1afc Mon Sep 17 00:00:00 2001
From: Emerassi <78173681+Emerassi@users.noreply.github.com>
Date: Tue, 29 Jul 2025 21:28:54 -0700
Subject: [PATCH] Update the last modified time on any data package file that
 is loaded from the cache to indicate that the file should not be deleted
 during data package cleanup.

---
 .../DataPackage/FileSystemCheckSumDataPackageProvider.cs     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Archipelago.MultiClient.Net/DataPackage/FileSystemCheckSumDataPackageProvider.cs b/Archipelago.MultiClient.Net/DataPackage/FileSystemCheckSumDataPackageProvider.cs
index d5a4111..32ba2a4 100644
--- a/Archipelago.MultiClient.Net/DataPackage/FileSystemCheckSumDataPackageProvider.cs
+++ b/Archipelago.MultiClient.Net/DataPackage/FileSystemCheckSumDataPackageProvider.cs
@@ -31,6 +31,11 @@ public bool TryGetDataPackage(string game, string checksum, out GameData gameDat
 			{
 				var fileText = File.ReadAllText(filePath);
 				gameData = JsonConvert.DeserializeObject<GameData>(fileText);
+
+				// Updating the file's last modified time to let the automatic data package cleanup routine in CommonClient
+				// know this file was recently used
+				File.SetLastWriteTime(filePath, DateTime.Now);
+
 				return true;
 			}
 			catch