From 823b3c1c0fcc74b4260c7ab09bdf13468f8984e1 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 24 Jun 2022 19:04:29 +0900
Subject: [PATCH] Ensure `WorkingBeatmap` is always using a detached instance

---
 osu.Game/Beatmaps/BeatmapManager.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index 73c879226b..670dba14ec 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -422,7 +422,7 @@ namespace osu.Game.Beatmaps
         {
             // Detached sets don't come with files.
             // If we seem to be missing files, now is a good time to re-fetch.
-            if (beatmapInfo?.BeatmapSet?.Files.Count == 0)
+            if (beatmapInfo?.IsManaged == true || beatmapInfo?.BeatmapSet?.Files.Count == 0)
             {
                 Realm.Run(r =>
                 {
@@ -433,6 +433,8 @@ namespace osu.Game.Beatmaps
                 });
             }
 
+            Debug.Assert(beatmapInfo?.IsManaged != true);
+
             return workingBeatmapCache.GetWorkingBeatmap(beatmapInfo);
         }