From 9ff7575c85d05714a497502f95ee38f6f3b87752 Mon Sep 17 00:00:00 2001
From: Tim Eisele <Shadowghost@users.noreply.github.com>
Date: Fri, 20 Sep 2024 15:46:44 +0200
Subject: Fix metadata merge for BoxSets (#12583)

---
 MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs')

diff --git a/MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs b/MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs
index df9d15ec2..32ab7716f 100644
--- a/MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs
+++ b/MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs
@@ -54,7 +54,14 @@ namespace MediaBrowser.Providers.BoxSets
 
             if (mergeMetadataSettings)
             {
-                targetItem.LinkedChildren = sourceItem.LinkedChildren;
+                if (replaceData || targetItem.LinkedChildren.Length == 0)
+                {
+                    targetItem.LinkedChildren = sourceItem.LinkedChildren;
+                }
+                else
+                {
+                    targetItem.LinkedChildren = sourceItem.LinkedChildren.Concat(targetItem.LinkedChildren).Distinct().ToArray();
+                }
             }
         }
 
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