From 49c2cb91254fe4a3ff193826a97482b144cc1a31 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 24 Nov 2021 13:25:52 +0900
Subject: [PATCH] Initialise `BeatmapSet.Beatmaps` list to line up with realm
 expectations

---
 osu.Game/Beatmaps/BeatmapManager.cs      | 2 +-
 osu.Game/Beatmaps/BeatmapModelManager.cs | 1 -
 osu.Game/Beatmaps/BeatmapSetInfo.cs      | 2 +-
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index c2a2e93caf..4378da2dd3 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -86,7 +86,7 @@ namespace osu.Game.Beatmaps
             var set = new BeatmapSetInfo
             {
                 Metadata = metadata,
-                Beatmaps = new List<BeatmapInfo>
+                Beatmaps =
                 {
                     new BeatmapInfo
                     {
diff --git a/osu.Game/Beatmaps/BeatmapModelManager.cs b/osu.Game/Beatmaps/BeatmapModelManager.cs
index 8f55232031..132f15809a 100644
--- a/osu.Game/Beatmaps/BeatmapModelManager.cs
+++ b/osu.Game/Beatmaps/BeatmapModelManager.cs
@@ -370,7 +370,6 @@ namespace osu.Game.Beatmaps
             return new BeatmapSetInfo
             {
                 OnlineID = beatmap.BeatmapInfo.BeatmapSet?.OnlineID,
-                Beatmaps = new List<BeatmapInfo>(),
                 Metadata = beatmap.Metadata,
                 DateAdded = DateTimeOffset.UtcNow
             };
diff --git a/osu.Game/Beatmaps/BeatmapSetInfo.cs b/osu.Game/Beatmaps/BeatmapSetInfo.cs
index 35468ce831..818a6dd48f 100644
--- a/osu.Game/Beatmaps/BeatmapSetInfo.cs
+++ b/osu.Game/Beatmaps/BeatmapSetInfo.cs
@@ -30,7 +30,7 @@ namespace osu.Game.Beatmaps
 
         public BeatmapMetadata Metadata { get; set; }
 
-        public List<BeatmapInfo> Beatmaps { get; set; }
+        public List<BeatmapInfo> Beatmaps { get; } = new List<BeatmapInfo>();
 
         public BeatmapSetOnlineStatus Status { get; set; } = BeatmapSetOnlineStatus.None;