Revert LibHac update

Users are facing save destruction on failing extra data update apparently

1 files changed, 45 insertions, 0 deletions

diff --git a/Ryujinx.HLE/FileSystem/SaveHelper.cs b/Ryujinx.HLE/FileSystem/SaveHelper.cs
new file mode 100644
index 00000000..51a25515
--- /dev/null
+++ b/Ryujinx.HLE/FileSystem/SaveHelper.cs
@@ -0,0 +1,45 @@
+using LibHac.Fs.Fsa;
+using LibHac.FsSystem;
+using Ryujinx.HLE.HOS;
+using System.IO;
+
+namespace Ryujinx.HLE.FileSystem
+{
+    static class SaveHelper
+    {
+        public static IFileSystem OpenSystemSaveData(ServiceCtx context, ulong saveId)
+        {
+            SaveInfo saveInfo = new SaveInfo(0, (long)saveId, SaveDataType.SystemSaveData, SaveSpaceId.NandSystem);
+            string   savePath = context.Device.FileSystem.GetSavePath(context, saveInfo, false);
+
+            if (File.Exists(savePath))
+            {
+                string tempDirectoryPath = $"{savePath}_temp";
+
+                Directory.CreateDirectory(tempDirectoryPath);
+
+                IFileSystem outputFolder = new LocalFileSystem(tempDirectoryPath);
+
+                using (LocalStorage systemSaveData = new LocalStorage(savePath, FileAccess.Read, FileMode.Open))
+                {
+                    IFileSystem saveFs = new LibHac.FsSystem.Save.SaveDataFileSystem(context.Device.System.KeySet, systemSaveData, IntegrityCheckLevel.None, false);
+
+                    saveFs.CopyDirectory(outputFolder, "/", "/");
+                }
+
+                File.Delete(savePath);
+
+                Directory.Move(tempDirectoryPath, savePath);
+            }
+            else
+            {
+                if (!Directory.Exists(savePath))
+                {
+                    Directory.CreateDirectory(savePath);
+                }
+            }
+
+            return new LocalFileSystem(savePath);
+        }
+    }
+}
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