diff --git a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs index de722332a4..56d977bbcb 100644 --- a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs +++ b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs @@ -90,6 +90,7 @@ namespace Emby.Server.Implementations.AppBase CreateAndCheckMarker(ProgramDataPath, "data"); CreateAndCheckMarker(CachePath, "cache"); CreateAndCheckMarker(DataPath, "data"); + CreateCacheDirTag(CachePath); } /// @@ -100,6 +101,26 @@ namespace Emby.Server.Implementations.AppBase CheckOrCreateMarker(path, $".jellyfin-{markerName}", recursive); } + /// + /// Creates a CACHEDIR.TAG file in the specified directory per the Cache Directory Tagging specification. + /// This signals to backup tools (e.g. Restic, Borg) that the directory contains cached data + /// and can be excluded from backups. + /// + /// The cache directory path. + internal static void CreateCacheDirTag(string path) + { + var tagPath = Path.Combine(path, "CACHEDIR.TAG"); + if (!File.Exists(tagPath)) + { + File.WriteAllText( + tagPath, + "Signature: 8a477f597d28d172789f06886806bc55\n" + + "# This file is a cache directory tag created by Jellyfin.\n" + + "# For information about cache directory tags, see:\n" + + "#\thttps://bford.info/cachedir/\n"); + } + } + private IEnumerable GetMarkers(string path, bool recursive = false) { return Directory.EnumerateFiles(path, ".jellyfin-*", recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly); diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs index 81ef0e5f9a..ef5fa8bef9 100644 --- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs +++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs @@ -228,6 +228,7 @@ namespace Emby.Server.Implementations.AppBase Logger.LogInformation("Setting cache path: {Path}", cachePath); ((BaseApplicationPaths)CommonApplicationPaths).CachePath = cachePath; CommonApplicationPaths.CreateAndCheckMarker(((BaseApplicationPaths)CommonApplicationPaths).CachePath, "cache"); + BaseApplicationPaths.CreateCacheDirTag(cachePath); } ///