From 1a4c1b6db50f4a26336345b06712e5b9432853cf Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Thu, 2 Oct 2025 22:44:10 +0300
Subject: [PATCH] New: Migrate appdata folder for .NET 8 on OSX

(cherry picked from commit d62547236a5e506ca9b11bf369683691ed8d253b)
---
 .../EnvironmentInfo/AppFolderFactory.cs       | 25 +++++++++++++++++++
 .../EnvironmentInfo/AppFolderInfo.cs          |  4 +--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs b/src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs
index cfaa1ddff..df49284a0 100644
--- a/src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs
+++ b/src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs
@@ -18,6 +18,7 @@ public class AppFolderFactory : IAppFolderFactory
     {
         private readonly IAppFolderInfo _appFolderInfo;
         private readonly IDiskProvider _diskProvider;
+        private readonly IDiskTransferService _diskTransferService;
         private readonly Logger _logger;
 
         public AppFolderFactory(IAppFolderInfo appFolderInfo,
@@ -27,6 +28,7 @@ public AppFolderFactory(IAppFolderInfo appFolderInfo,
         {
             _appFolderInfo = appFolderInfo;
             _diskProvider = diskProvider;
+            _diskTransferService = diskTransferService;
             _logger = NzbDroneLogger.GetLogger(this);
         }
 
@@ -34,6 +36,7 @@ public void Register()
         {
             try
             {
+                MigrateAppDataFolder();
                 _diskProvider.EnsureFolder(_appFolderInfo.AppDataFolder);
             }
             catch (UnauthorizedAccessException)
@@ -66,6 +69,28 @@ public void SetPermissions()
             }
         }
 
+        private void MigrateAppDataFolder()
+        {
+            try
+            {
+                if (OsInfo.IsOsx)
+                {
+                    var userAppDataFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile, Environment.SpecialFolderOption.DoNotVerify), ".config", "Lidarr");
+
+                    if (_diskProvider.FolderExists(userAppDataFolder) && !_diskProvider.FileExists(_appFolderInfo.GetConfigPath()))
+                    {
+                        _diskTransferService.MirrorFolder(userAppDataFolder, _appFolderInfo.AppDataFolder);
+                        _diskProvider.DeleteFolder(userAppDataFolder, true);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.Debug(ex, ex.Message);
+                throw new LidarrStartupException(ex, "Unable to migrate configuration folder to {0}. Migrate manually", _appFolderInfo.AppDataFolder);
+            }
+        }
+
         private void InitializeMonoApplicationData()
         {
             if (OsInfo.IsWindows)
diff --git a/src/NzbDrone.Common/EnvironmentInfo/AppFolderInfo.cs b/src/NzbDrone.Common/EnvironmentInfo/AppFolderInfo.cs
index 0f54f2ae8..964162bb1 100644
--- a/src/NzbDrone.Common/EnvironmentInfo/AppFolderInfo.cs
+++ b/src/NzbDrone.Common/EnvironmentInfo/AppFolderInfo.cs
@@ -26,9 +26,9 @@ public AppFolderInfo(IStartupContext startupContext)
                 _dataSpecialFolder = Environment.SpecialFolder.ApplicationData;
             }
 
-            if (startupContext.Args.ContainsKey(StartupContext.APPDATA))
+            if (startupContext.Args.TryGetValue(StartupContext.APPDATA, out var argsAppDataFolder))
             {
-                AppDataFolder = startupContext.Args[StartupContext.APPDATA];
+                AppDataFolder = argsAppDataFolder;
                 Logger.Info("Data directory is being overridden to [{0}]", AppDataFolder);
             }
             else