From 435bb14bb266916e9c6f100c4324a94c36126e06 Mon Sep 17 00:00:00 2001
From: Huo Jiacheng <explr@qq.com>
Date: Thu, 13 Nov 2025 10:43:13 +0800
Subject: [PATCH] Fix gitignore-style not working properly on windows. (#15487)

---
 .../Library/DotIgnoreIgnoreRule.cs                        | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Emby.Server.Implementations/Library/DotIgnoreIgnoreRule.cs b/Emby.Server.Implementations/Library/DotIgnoreIgnoreRule.cs
index e53502046ac..46e60dbaa42 100644
--- a/Emby.Server.Implementations/Library/DotIgnoreIgnoreRule.cs
+++ b/Emby.Server.Implementations/Library/DotIgnoreIgnoreRule.cs
@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Runtime.InteropServices;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.IO;
 using MediaBrowser.Controller.Resolvers;
@@ -88,6 +89,13 @@ public class DotIgnoreIgnoreRule : IResolverIgnoreRule
         var ignore = new Ignore.Ignore();
         ignore.Add(ignoreRules);
 
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            // Mitigate the problem of the Ignore library not handling Windows paths correctly.
+            // See https://github.com/jellyfin/jellyfin/issues/15484
+            return ignore.IsIgnored(fileInfo.FullName.NormalizePath('/'));
+        }
+
         return ignore.IsIgnored(fileInfo.FullName);
     }