Merge branch 'release/v8.21'

.gitignore

@@ -604,3 +604,4 @@ build/*.zip
 build/*.tar.gz
 build/*.deb
 build/*.rpm
+build/*.AppImage

README.md

@@ -43,11 +43,11 @@ You can download the latest stable from [Releases](https://github.com/sourcegit-
 
 This software creates a folder `$"{System.Environment.SpecialFolder.ApplicationData}/SourceGit"`, which is platform-dependent, to store user settings, downloaded avatars and crash logs. 
 
-| OS | PATH |
+| OS      | PATH                                            |
-| --- | --- |
+|---------|-------------------------------------------------|
-| Windows | `C:\Users\USER_NAME\AppData\Roaming\SourceGit` |
+| Windows | `C:\Users\USER_NAME\AppData\Roaming\SourceGit`  |
-| Linux | `${HOME}/.config/SourceGit` |
+| Linux   | `${HOME}/.config/SourceGit`                     |
-| macOS | `${HOME}/Library/Application Support/SourceGit` |
+| macOS   | `${HOME}/Library/Application Support/SourceGit` |
 
 For **Windows** users:
 
@@ -74,13 +74,13 @@ For **Linux** users:
 
 This app supports open repository in external tools listed in the table below.
 
-| Tool | Windows | macOS | Linux | Environment Variable |
+| Tool                          | Windows | macOS | Linux | Environment Variable |
-| --- | --- | --- | --- | --- |
+|-------------------------------|---------|-------|-------|----------------------|
-| Visual Studio Code | YES | YES | YES | VSCODE_PATH |
+| Visual Studio Code            | YES     | YES   | YES   | VSCODE_PATH          |
-| Visual Studio Code - Insiders | YES | YES | YES | VSCODE_INSIDERS_PATH |
+| Visual Studio Code - Insiders | YES     | YES   | YES   | VSCODE_INSIDERS_PATH |
-| VSCodium | YES | YES | YES | VSCODIUM_PATH |
+| VSCodium                      | YES     | YES   | YES   | VSCODIUM_PATH        |
-| JetBrains Fleet | YES | YES | YES | FLEET_PATH |
+| JetBrains Fleet               | YES     | YES   | YES   | FLEET_PATH           |
-| Sublime Text | YES | YES | YES | SUBLIME_TEXT_PATH |
+| Sublime Text                  | YES     | YES   | YES   | SUBLIME_TEXT_PATH    |
 
 * You can set the given environment variable for special tool if it can NOT be found by this app automatically. 
 * Installing `JetBrains Toolbox` will help this app to find other JetBrains tools installed on your device.

VERSION

@@ -1 +1 @@
-8.20
+8.21

src/App.JsonCodeGen.cs

@@ -1,13 +1,67 @@
-using System.Collections.Generic;
+using System;
+using System.Text.Json;
 using System.Text.Json.Serialization;
 
+using Avalonia.Controls;
+using Avalonia.Media;
+
 namespace SourceGit
 {
-    [JsonSourceGenerationOptions(WriteIndented = true, IgnoreReadOnlyFields = true, IgnoreReadOnlyProperties = true)]
+    public class ColorConverter : JsonConverter<Color>
-    [JsonSerializable(typeof(List<Models.InteractiveRebaseJob>))]
+    {
+        public override Color Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            return Color.Parse(reader.GetString());
+        }
+
+        public override void Write(Utf8JsonWriter writer, Color value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(value.ToString());
+        }
+    }
+
+    public class FontFamilyConverter : JsonConverter<FontFamily>
+    {
+        public override FontFamily Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var name = reader.GetString();
+            return new FontFamily(name);
+        }
+
+        public override void Write(Utf8JsonWriter writer, FontFamily value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(value.ToString());
+        }
+    }
+
+    public class GridLengthConverter : JsonConverter<GridLength>
+    {
+        public override GridLength Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var size = reader.GetDouble();
+            return new GridLength(size, GridUnitType.Pixel);
+        }
+
+        public override void Write(Utf8JsonWriter writer, GridLength value, JsonSerializerOptions options)
+        {
+            writer.WriteNumberValue(value.Value);
+        }
+    }
+
+    [JsonSourceGenerationOptions(
+        WriteIndented = true,
+        IgnoreReadOnlyFields = true,
+        IgnoreReadOnlyProperties = true,
+        Converters = [
+            typeof(ColorConverter),
+            typeof(FontFamilyConverter),
+            typeof(GridLengthConverter),
+        ]
+    )]
+    [JsonSerializable(typeof(Models.InteractiveRebaseJobCollection))]
     [JsonSerializable(typeof(Models.JetBrainsState))]
+    [JsonSerializable(typeof(Models.ThemeOverrides))]
     [JsonSerializable(typeof(Models.Version))]
-    [JsonSerializable(typeof(Models.CustomColorSchema))]
     [JsonSerializable(typeof(ViewModels.Preference))]
     [JsonSerializable(typeof(ViewModels.RepositorySettings))]
     internal partial class JsonCodeGen : JsonSerializerContext { }

src/App.axaml

@@ -20,7 +20,6 @@
   <Application.Styles>
     <FluentTheme />
     <StyleInclude Source="avares://Avalonia.Controls.DataGrid/Themes/Fluent.xaml"/>
-    <StyleInclude Source="avares://Avalonia.Controls.TreeDataGrid/Themes/Fluent.axaml"/>
     <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml" />
     <StyleInclude Source="/Resources/Styles.axaml"/>
   </Application.Styles>

src/App.axaml.cs

@@ -44,34 +44,29 @@ namespace SourceGit
         [STAThread]
         public static void Main(string[] args)
         {
+            AppDomain.CurrentDomain.UnhandledException += (_, e) =>
+            {
+                LogException(e.ExceptionObject as Exception);
+            };
+
+            TaskScheduler.UnobservedTaskException += (_, e) =>
+            {
+                LogException(e.Exception);
+                e.SetObserved();
+            };
+
             try
             {
-                if (args.Length > 1 && args[0].Equals("--rebase-editor", StringComparison.Ordinal))
+                if (TryLaunchedAsRebaseTodoEditor(args, out int exitTodo))
-                    Environment.Exit(Models.InteractiveRebaseEditor.Process(args[1]));
+                    Environment.Exit(exitTodo);
+                else if (TryLaunchedAsRebaseMessageEditor(args, out int exitMessage))
+                    Environment.Exit(exitMessage);
                 else
                     BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
             }
             catch (Exception ex)
             {
-                var builder = new StringBuilder();
+                LogException(ex);
-                builder.Append($"Crash::: {ex.GetType().FullName}: {ex.Message}\n\n");
-                builder.Append("----------------------------\n");
-                builder.Append($"Version: {Assembly.GetExecutingAssembly().GetName().Version}\n");
-                builder.Append($"OS: {Environment.OSVersion.ToString()}\n");
-                builder.Append($"Framework: {AppDomain.CurrentDomain.SetupInformation.TargetFrameworkName}\n");
-                builder.Append($"Source: {ex.Source}\n");
-                builder.Append($"---------------------------\n\n");
-                builder.Append(ex.StackTrace);
-                while (ex.InnerException != null)
-                {
-                    ex = ex.InnerException;
-                    builder.Append($"\n\nInnerException::: {ex.GetType().FullName}: {ex.Message}\n");
-                    builder.Append(ex.StackTrace);
-                }
-
-                var time = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
-                var file = Path.Combine(Native.OS.DataDir, $"crash_{time}.log");
-                File.WriteAllText(file, builder.ToString());
             }
         }
 
@@ -94,20 +89,32 @@ namespace SourceGit
 
         public static readonly SimpleCommand OpenPreferenceCommand = new SimpleCommand(() =>
         {
+            var toplevel = GetTopLevel() as Window;
+            if (toplevel == null)
+                return;
+            
             var dialog = new Views.Preference();
-            dialog.ShowDialog(GetTopLevel() as Window);
+            dialog.ShowDialog(toplevel);
         });
 
         public static readonly SimpleCommand OpenHotkeysCommand = new SimpleCommand(() =>
         {
+            var toplevel = GetTopLevel() as Window;
+            if (toplevel == null)
+                return;
+            
             var dialog = new Views.Hotkeys();
-            dialog.ShowDialog(GetTopLevel() as Window);
+            dialog.ShowDialog(toplevel);
         });
 
         public static readonly SimpleCommand OpenAboutCommand = new SimpleCommand(() =>
         {
+            var toplevel = GetTopLevel() as Window;
+            if (toplevel == null)
+                return;
+            
             var dialog = new Views.About();
-            dialog.ShowDialog(GetTopLevel() as Window);
+            dialog.ShowDialog(toplevel);
         });
 
         public static readonly SimpleCommand CheckForUpdateCommand = new SimpleCommand(() =>
@@ -115,7 +122,7 @@ namespace SourceGit
             Check4Update(true);
         });
 
-        public static readonly SimpleCommand QuitCommand = new SimpleCommand(Quit);
+        public static readonly SimpleCommand QuitCommand = new SimpleCommand(() => Quit(0));
 
         public static void RaiseException(string context, string message)
         {
@@ -132,7 +139,7 @@ namespace SourceGit
         public static void SetLocale(string localeKey)
         {
             var app = Current as App;
-            var targetLocale = app.Resources[localeKey] as ResourceDictionary;
+            var targetLocale = app?.Resources[localeKey] as ResourceDictionary;
             if (targetLocale == null || targetLocale == app._activeLocale)
                 return;
 
@@ -143,9 +150,11 @@ namespace SourceGit
             app._activeLocale = targetLocale;
         }
 
-        public static void SetTheme(string theme, string colorsFile)
+        public static void SetTheme(string theme, string themeOverridesFile)
         {
             var app = Current as App;
+            if (app == null)
+                return;
 
             if (theme.Equals("Light", StringComparison.OrdinalIgnoreCase))
                 app.RequestedThemeVariant = ThemeVariant.Light;
@@ -154,63 +163,59 @@ namespace SourceGit
             else
                 app.RequestedThemeVariant = ThemeVariant.Default;
 
-            if (app._colorOverrides != null)
+            if (app._themeOverrides != null)
             {
-                app.Resources.MergedDictionaries.Remove(app._colorOverrides);
+                app.Resources.MergedDictionaries.Remove(app._themeOverrides);
-                app._colorOverrides = null;
+                app._themeOverrides = null;
             }
 
-            Models.CommitGraph.SetDefaultPens();
+            if (!string.IsNullOrEmpty(themeOverridesFile) && File.Exists(themeOverridesFile))
-
-            if (!string.IsNullOrEmpty(colorsFile) && File.Exists(colorsFile))
             {
                 try
                 {
                     var resDic = new ResourceDictionary();
-
+                    var overrides = JsonSerializer.Deserialize(File.ReadAllText(themeOverridesFile), JsonCodeGen.Default.ThemeOverrides);
-                    var schema = JsonSerializer.Deserialize(File.ReadAllText(colorsFile), JsonCodeGen.Default.CustomColorSchema);
+                    foreach (var kv in overrides.BasicColors)
-                    foreach (var kv in schema.Basic)
                     {
                         if (kv.Key.Equals("SystemAccentColor", StringComparison.Ordinal))
-                            resDic["SystemAccentColor"] = Color.Parse(kv.Value);
+                            resDic["SystemAccentColor"] = kv.Value;
                         else
-                            resDic[$"Color.{kv.Key}"] = Color.Parse(kv.Value);
+                            resDic[$"Color.{kv.Key}"] = kv.Value;
                     }
-                        
 
-                    if (schema.Graph.Count > 0)
+                    if (overrides.GraphColors.Count > 0)
-                    {
+                        Models.CommitGraph.SetPens(overrides.GraphColors, overrides.GraphPenThickness);
-                        var penColors = new List<Color>();
+                    else
-
+                        Models.CommitGraph.SetDefaultPens(overrides.GraphPenThickness);
-                        foreach (var c in schema.Graph)
-                            penColors.Add(Color.Parse(c));
-
-                        Models.CommitGraph.SetPenColors(penColors);
-                    }
 
                     app.Resources.MergedDictionaries.Add(resDic);
-                    app._colorOverrides = resDic;
+                    app._themeOverrides = resDic;
                 }
                 catch
                 {
+                    // ignore
                 }
             }
+            else
+            {
+                Models.CommitGraph.SetDefaultPens();
+            }
         }
 
         public static async void CopyText(string data)
         {
-            if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
-                if (desktop.MainWindow.Clipboard is { } clipbord)
+                if (desktop.MainWindow?.Clipboard is { } clipbord)
                     await clipbord.SetTextAsync(data);
             }
         }
 
         public static async Task<string> GetClipboardTextAsync()
         {
-            if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
-                if (desktop.MainWindow.Clipboard is { } clipboard)
+                if (desktop.MainWindow?.Clipboard is { } clipboard)
                 {
                     return await clipboard.GetTextAsync();
                 }
@@ -220,7 +225,7 @@ namespace SourceGit
 
         public static string Text(string key, params object[] args)
         {
-            var fmt = Current.FindResource($"Text.{key}") as string;
+            var fmt = Current?.FindResource($"Text.{key}") as string;
             if (string.IsNullOrWhiteSpace(fmt))
                 return $"Text.{key}";
 
@@ -236,16 +241,21 @@ namespace SourceGit
             icon.Width = 12;
             icon.Height = 12;
             icon.Stretch = Stretch.Uniform;
-            icon.Data = Current.FindResource(key) as StreamGeometry;
+
+            var geo = Current?.FindResource(key) as StreamGeometry;
+            if (geo != null)
+                icon.Data = geo;
+            
             return icon;
         }
 
         public static TopLevel GetTopLevel()
         {
-            if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
                 return desktop.MainWindow;
             }
+            
             return null;
         }
 
@@ -305,12 +315,16 @@ namespace SourceGit
             return null;
         }
 
-        public static void Quit()
+        public static void Quit(int exitCode)
         {
-            if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
-                desktop.MainWindow.Close();
+                desktop.MainWindow?.Close();
-                desktop.Shutdown();
+                desktop.Shutdown(exitCode);
+            }
+            else
+            {
+                Environment.Exit(exitCode);
             }
         }
 
@@ -321,7 +335,7 @@ namespace SourceGit
             var pref = ViewModels.Preference.Instance;
 
             SetLocale(pref.Locale);
-            SetTheme(pref.Theme, pref.ColorOverrides);
+            SetTheme(pref.Theme, pref.ThemeOverrides);
         }
 
         public override void OnFrameworkInitializationCompleted()
@@ -329,34 +343,52 @@ namespace SourceGit
             if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
                 BindingPlugins.DataValidators.RemoveAt(0);
-                Native.OS.SetupEnternalTools();
 
-                _launcher = new ViewModels.Launcher();
+                if (TryLaunchedAsCoreEditor(desktop))
-                desktop.MainWindow = new Views.Launcher() { DataContext = _launcher };
+                    return;
 
-                var pref = ViewModels.Preference.Instance;
+                if (TryLaunchedAsAskpass(desktop))
-                if (pref.ShouldCheck4UpdateOnStartup)
+                    return;
-                {
+
-                    pref.Save();
+                TryLaunchedAsNormal(desktop);
-                    Check4Update();
+            }
-                }
+        }
+
+        private static void LogException(Exception ex)
+        {
+            if (ex == null)
+                return;
+
+            var builder = new StringBuilder();
+            builder.Append($"Crash::: {ex.GetType().FullName}: {ex.Message}\n\n");
+            builder.Append("----------------------------\n");
+            builder.Append($"Version: {Assembly.GetExecutingAssembly().GetName().Version}\n");
+            builder.Append($"OS: {Environment.OSVersion.ToString()}\n");
+            builder.Append($"Framework: {AppDomain.CurrentDomain.SetupInformation.TargetFrameworkName}\n");
+            builder.Append($"Source: {ex.Source}\n");
+            builder.Append($"---------------------------\n\n");
+            builder.Append(ex.StackTrace);
+            while (ex.InnerException != null)
+            {
+                ex = ex.InnerException;
+                builder.Append($"\n\nInnerException::: {ex.GetType().FullName}: {ex.Message}\n");
+                builder.Append(ex.StackTrace);
             }
 
-            base.OnFrameworkInitializationCompleted();
+            var time = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
+            var file = Path.Combine(Native.OS.DataDir, $"crash_{time}.log");
+            File.WriteAllText(file, builder.ToString());
         }
 
         private static void ShowSelfUpdateResult(object data)
         {
             Dispatcher.UIThread.Post(() =>
             {
-                if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+                if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: not null } desktop)
                 {
                     var dialog = new Views.SelfUpdate()
                     {
-                        DataContext = new ViewModels.SelfUpdate
+                        DataContext = new ViewModels.SelfUpdate() { Data = data }
-                        {
-                            Data = data
-                        }
                     };
 
                     dialog.Show(desktop.MainWindow);
@@ -364,8 +396,137 @@ namespace SourceGit
             });
         }
 
+        private static bool TryLaunchedAsRebaseTodoEditor(string[] args, out int exitCode)
+        {
+            exitCode = -1;
+
+            if (args.Length <= 1 || !args[0].Equals("--rebase-todo-editor", StringComparison.Ordinal))
+                return false;
+
+            var file = args[1];
+            var filename = Path.GetFileName(file);
+            if (!filename.Equals("git-rebase-todo", StringComparison.OrdinalIgnoreCase))
+                return true;
+
+            var dirInfo = new DirectoryInfo(Path.GetDirectoryName(file)!);
+            if (!dirInfo.Exists || !dirInfo.Name.Equals("rebase-merge", StringComparison.Ordinal))
+                return true;
+
+            var jobsFile = Path.Combine(dirInfo.Parent!.FullName, "sourcegit_rebase_jobs.json");
+            if (!File.Exists(jobsFile))
+                return true;
+
+            var collection = JsonSerializer.Deserialize(File.ReadAllText(jobsFile), JsonCodeGen.Default.InteractiveRebaseJobCollection);
+            var lines = new List<string>();
+            foreach (var job in collection.Jobs)
+            {
+                switch (job.Action)
+                {
+                    case Models.InteractiveRebaseAction.Pick:
+                        lines.Add($"p {job.SHA}");
+                        break;
+                    case Models.InteractiveRebaseAction.Edit:
+                        lines.Add($"e {job.SHA}");
+                        break;
+                    case Models.InteractiveRebaseAction.Reword:
+                        lines.Add($"r {job.SHA}");
+                        break;
+                    case Models.InteractiveRebaseAction.Squash:
+                        lines.Add($"s {job.SHA}");
+                        break;
+                    case Models.InteractiveRebaseAction.Fixup:
+                        lines.Add($"f {job.SHA}");
+                        break;
+                    default:
+                        lines.Add($"d {job.SHA}");
+                        break;
+                }
+            }
+
+            File.WriteAllLines(file, lines);
+
+            exitCode = 0;
+            return true;
+        }
+
+        private static bool TryLaunchedAsRebaseMessageEditor(string[] args, out int exitCode)
+        {
+            exitCode = -1;
+
+            if (args.Length <= 1 || !args[0].Equals("--rebase-message-editor", StringComparison.Ordinal))
+                return false;
+
+            var file = args[1];
+            var filename = Path.GetFileName(file);
+            if (!filename.Equals("COMMIT_EDITMSG", StringComparison.OrdinalIgnoreCase))
+                return true;
+
+            var jobsFile = Path.Combine(Path.GetDirectoryName(file)!, "sourcegit_rebase_jobs.json");
+            if (!File.Exists(jobsFile))
+                return true;
+
+            var collection = JsonSerializer.Deserialize(File.ReadAllText(jobsFile), JsonCodeGen.Default.InteractiveRebaseJobCollection);
+            var doneFile = Path.Combine(Path.GetDirectoryName(file)!, "rebase-merge", "done");
+            if (!File.Exists(doneFile))
+                return true;
+
+            var done = File.ReadAllText(doneFile).Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+            if (done.Length > collection.Jobs.Count)
+                return true;
+
+            var job = collection.Jobs[done.Length - 1];
+            File.WriteAllText(file, job.Message);
+
+            exitCode = 0;
+            return true;
+        }
+
+        private bool TryLaunchedAsCoreEditor(IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            var args = desktop.Args;
+            if (args == null || args.Length <= 1 || !args[0].Equals("--core-editor", StringComparison.Ordinal))
+                return false;
+
+            var file = args[1];
+            if (!File.Exists(file))
+                desktop.Shutdown(-1);
+            else
+                desktop.MainWindow = new Views.StandaloneCommitMessageEditor(file);
+
+            return true;
+        }
+
+        private bool TryLaunchedAsAskpass(IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            var args = desktop.Args;
+            if (args == null || args.Length != 1 || !args[0].StartsWith("Enter passphrase", StringComparison.Ordinal))
+                return false;
+
+            desktop.MainWindow = new Views.Askpass(args[0]);
+            return true;
+        }
+
+        private void TryLaunchedAsNormal(IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            Native.OS.SetupEnternalTools();
+
+            string startupRepo = null;
+            if (desktop.Args != null && desktop.Args.Length == 1 && Directory.Exists(desktop.Args[0]))
+                startupRepo = desktop.Args[0];
+
+            _launcher = new ViewModels.Launcher(startupRepo);
+            desktop.MainWindow = new Views.Launcher() { DataContext = _launcher };
+
+            var pref = ViewModels.Preference.Instance;
+            if (pref.ShouldCheck4UpdateOnStartup)
+            {
+                pref.Save();
+                Check4Update();
+            }
+        }
+
         private ViewModels.Launcher _launcher = null;
         private ResourceDictionary _activeLocale = null;
-        private ResourceDictionary _colorOverrides = null;
+        private ResourceDictionary _themeOverrides = null;
     }
 }

src/Commands/Branch.cs

@@ -25,14 +25,12 @@
             var cmd = new Command();
             cmd.WorkingDirectory = repo;
             cmd.Context = repo;
+
             if (string.IsNullOrEmpty(upstream))
-            {
                 cmd.Args = $"branch {name} --unset-upstream";
-            }
             else
-            {
                 cmd.Args = $"branch {name} -u {upstream}";
-            }
+
             return cmd.Exec();
         }
 
@@ -50,18 +48,8 @@
             var cmd = new Command();
             cmd.WorkingDirectory = repo;
             cmd.Context = repo;
-
+            cmd.SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
+            cmd.Args = $"push {remote} --delete {name}";
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                cmd.Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                cmd.Args = "-c credential.helper=manager ";
-            }
-
-            cmd.Args += $"push {remote} --delete {name}";
             return cmd.Exec();
         }
     }

src/Commands/Clone.cs

@@ -11,21 +11,14 @@ namespace SourceGit.Commands
             Context = ctx;
             WorkingDirectory = path;
             TraitErrorAsOutput = true;
-
+            SSHKey = sshKey;
-            if (string.IsNullOrEmpty(sshKey))
+            Args = "clone --progress --verbose --recurse-submodules ";
-            {
-                Args = "-c credential.helper=manager ";
-            }
-            else
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-
-            Args += "clone --progress --verbose --recurse-submodules ";
 
             if (!string.IsNullOrEmpty(extraArgs))
                 Args += $"{extraArgs} ";
+
             Args += $"{url} ";
+
             if (!string.IsNullOrEmpty(localName))
                 Args += localName;
 

src/Commands/Command.cs

@@ -19,12 +19,20 @@ namespace SourceGit.Commands
         {
             public bool IsSuccess { get; set; }
             public string StdOut { get; set; }
-            public string StdErr { get; set; }
+        }
+
+        public enum EditorType
+        {
+            None,
+            CoreEditor,
+            RebaseEditor,
         }
 
         public string Context { get; set; } = string.Empty;
         public CancelToken Cancel { get; set; } = null;
         public string WorkingDirectory { get; set; } = null;
+        public EditorType Editor { get; set; } = EditorType.CoreEditor; // Only used in Exec() mode
+        public string SSHKey { get; set; } = string.Empty;
         public string Args { get; set; } = string.Empty;
         public bool RaiseError { get; set; } = true;
         public bool TraitErrorAsOutput { get; set; } = false;
@@ -33,7 +41,7 @@ namespace SourceGit.Commands
         {
             var start = new ProcessStartInfo();
             start.FileName = Native.OS.GitExecutable;
-            start.Arguments = "--no-pager -c core.quotepath=off " + Args;
+            start.Arguments = "--no-pager -c core.quotepath=off ";
             start.UseShellExecute = false;
             start.CreateNoWindow = true;
             start.RedirectStandardOutput = true;
@@ -41,10 +49,41 @@ namespace SourceGit.Commands
             start.StandardOutputEncoding = Encoding.UTF8;
             start.StandardErrorEncoding = Encoding.UTF8;
 
+            // Force using this app as SSH askpass program
+            var selfExecFile = Process.GetCurrentProcess().MainModule!.FileName;
+            if (!OperatingSystem.IsLinux())
+                start.Environment.Add("DISPLAY", "required");
+            start.Environment.Add("SSH_ASKPASS", selfExecFile); // Can not use parameter here, because it invoked by SSH with `exec`
+            start.Environment.Add("SSH_ASKPASS_REQUIRE", "prefer");
+
+            // If an SSH private key was provided, sets the environment.
+            if (!string.IsNullOrEmpty(SSHKey))
+                start.Environment.Add("GIT_SSH_COMMAND", $"ssh -i '{SSHKey}'");
+            else
+                start.Arguments += "-c credential.helper=manager ";
+
             // Force using en_US.UTF-8 locale to avoid GCM crash
             if (OperatingSystem.IsLinux())
                 start.Environment.Add("LANG", "en_US.UTF-8");
 
+            // Force using this app as git editor.
+            switch (Editor)
+            {
+                case EditorType.CoreEditor:
+                    start.Arguments += $"-c core.editor=\"\\\"{selfExecFile}\\\" --core-editor\" ";
+                    break;
+                case EditorType.RebaseEditor:
+                    start.Arguments += $"-c core.editor=\"\\\"{selfExecFile}\\\" --rebase-message-editor\" -c sequence.editor=\"\\\"{selfExecFile}\\\" --rebase-todo-editor\" -c rebase.abbreviateCommands=true ";
+                    break;
+                default:
+                    start.Arguments += "-c core.editor=true ";
+                    break;
+            }
+
+            // Append command args
+            start.Arguments += Args;
+
+            // Working directory
             if (!string.IsNullOrEmpty(WorkingDirectory))
                 start.WorkingDirectory = WorkingDirectory;
 
@@ -94,7 +133,7 @@ namespace SourceGit.Commands
                     return;
                 if (e.Data.StartsWith("Filtering content:", StringComparison.Ordinal))
                     return;
-                if (_progressRegex().IsMatch(e.Data))
+                if (REG_PROGRESS().IsMatch(e.Data))
                     return;
                 errs.Add(e.Data);
             };
@@ -159,20 +198,18 @@ namespace SourceGit.Commands
             {
                 proc.Start();
             }
-            catch (Exception e)
+            catch
             {
                 return new ReadToEndResult()
                 {
                     IsSuccess = false,
                     StdOut = string.Empty,
-                    StdErr = e.Message,
                 };
             }
 
             var rs = new ReadToEndResult()
             {
                 StdOut = proc.StandardOutput.ReadToEnd(),
-                StdErr = proc.StandardError.ReadToEnd(),
             };
 
             proc.WaitForExit();
@@ -185,6 +222,6 @@ namespace SourceGit.Commands
         protected virtual void OnReadline(string line) { }
 
         [GeneratedRegex(@"\d+%")]
-        private static partial Regex _progressRegex();
+        private static partial Regex REG_PROGRESS();
     }
 }

src/Commands/Commit.cs

@@ -11,6 +11,7 @@ namespace SourceGit.Commands
 
             WorkingDirectory = repo;
             Context = repo;
+            TraitErrorAsOutput = true;
             Args = $"commit --file=\"{file}\"";
             if (autoStage)
                 Args += " --all";

src/Commands/CompareRevisions.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 namespace SourceGit.Commands
@@ -18,7 +19,7 @@ namespace SourceGit.Commands
         public List<Models.Change> Result()
         {
             Exec();
-            _changes.Sort((l, r) => l.Path.CompareTo(r.Path));
+            _changes.Sort((l, r) => string.Compare(l.Path, r.Path, StringComparison.Ordinal));
             return _changes;
         }
 

src/Commands/Config.cs

@@ -23,7 +23,7 @@ namespace SourceGit.Commands
             var rs = new Dictionary<string, string>();
             if (output.IsSuccess)
             {
-                var lines = output.StdOut.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
+                var lines = output.StdOut.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
                 foreach (var line in lines)
                 {
                     var idx = line.IndexOf('=', StringComparison.Ordinal);
@@ -31,14 +31,7 @@ namespace SourceGit.Commands
                     {
                         var key = line.Substring(0, idx).Trim();
                         var val = line.Substring(idx + 1).Trim();
-                        if (rs.ContainsKey(key))
+                        rs[key] = val;
-                        {
-                            rs[key] = val;
-                        }
-                        else
-                        {
-                            rs.Add(key, val);
-                        }
                     }
                 }
             }

src/Commands/Fetch.cs

@@ -13,18 +13,9 @@ namespace SourceGit.Commands
             WorkingDirectory = repo;
             Context = repo;
             TraitErrorAsOutput = true;
+            SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
+            Args = "fetch --progress --verbose ";
 
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                Args = "-c credential.helper=manager ";
-            }
-
-            Args += "fetch --progress --verbose ";
             if (prune)
                 Args += "--prune ";
 
@@ -44,18 +35,8 @@ namespace SourceGit.Commands
             WorkingDirectory = repo;
             Context = repo;
             TraitErrorAsOutput = true;
-
+            SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
+            Args = $"fetch --progress --verbose {remote} {remoteBranch}:{localBranch}";
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                Args = "-c credential.helper=manager ";
-            }
-
-            Args += $"fetch --progress --verbose {remote} {remoteBranch}:{localBranch}";
         }
 
         protected override void OnReadline(string line)
@@ -144,14 +125,7 @@ namespace SourceGit.Commands
 
             lock (_lock)
             {
-                if (_jobs.ContainsKey(repo))
+                _jobs[repo] = job;
-                {
-                    _jobs[repo] = job;
-                }
-                else
-                {
-                    _jobs.Add(repo, job);
-                }
             }
         }
 

src/Commands/GitFlow.cs

@@ -64,7 +64,7 @@ namespace SourceGit.Commands
             return init.Exec();
         }
 
-        public static string Prefix(string repo, string type)
+        public static string GetPrefix(string repo, string type)
         {
             return new Config(repo).Get($"gitflow.prefix.{type}");
         }

src/Commands/LFS.cs

@@ -82,7 +82,7 @@ namespace SourceGit.Commands
             var rs = cmd.ReadToEnd();
             if (rs.IsSuccess)
             {
-                var lines = rs.StdOut.Split(new char[] {'\n', '\r'}, StringSplitOptions.RemoveEmptyEntries);
+                var lines = rs.StdOut.Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
                 foreach (var line in lines)
                 {
                     var match = REG_LOCK().Match(line);

src/Commands/Pull.cs

@@ -10,18 +10,9 @@ namespace SourceGit.Commands
             WorkingDirectory = repo;
             Context = repo;
             TraitErrorAsOutput = true;
+            SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
+            Args = "pull --verbose --progress --tags ";
 
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                Args = "-c credential.helper=manager ";
-            }
-
-            Args += "pull --verbose --progress --tags ";
             if (useRebase)
                 Args += "--rebase ";
             if (noTags)

src/Commands/Push.cs

@@ -6,22 +6,13 @@ namespace SourceGit.Commands
     {
         public Push(string repo, string local, string remote, string remoteBranch, bool withTags, bool force, bool track, Action<string> onProgress)
         {
+            _outputHandler = onProgress;
+
             WorkingDirectory = repo;
             Context = repo;
             TraitErrorAsOutput = true;
-            _outputHandler = onProgress;
+            SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
-
+            Args = "push --progress --verbose ";
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                Args = "-c credential.helper=manager ";
-            }
-
-            Args += "push --progress --verbose ";
 
             if (withTags)
                 Args += "--tags ";
@@ -37,20 +28,12 @@ namespace SourceGit.Commands
         {
             WorkingDirectory = repo;
             Context = repo;
+            SSHKey = new Config(repo).Get($"remote.{remote}.sshkey");
+            Args = "push ";
 
-            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
-            if (!string.IsNullOrEmpty(sshKey))
-            {
-                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
-            }
-            else
-            {
-                Args = "-c credential.helper=manager ";
-            }
-
-            Args += "push ";
             if (isDelete)
                 Args += "--delete ";
+
             Args += $"{remote} refs/tags/{tag}";
         }
 

src/Commands/QueryCommits.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text;
 
 namespace SourceGit.Commands
 {
@@ -9,10 +10,27 @@ namespace SourceGit.Commands
         {
             WorkingDirectory = repo;
             Context = repo;
-            Args = $"log --date-order --no-show-signature --decorate=full --pretty=format:%H%n%P%n%D%n%aN±%aE%n%at%n%cN±%cE%n%ct%n%s " + limits;
+            Args = "log --date-order --no-show-signature --decorate=full --pretty=format:%H%n%P%n%D%n%aN±%aE%n%at%n%cN±%cE%n%ct%n%s " + limits;
             _findFirstMerged = needFindHead;
         }
 
+        public QueryCommits(string repo, int maxCount, string messageFilter)
+        {
+            var argsBuilder = new StringBuilder();
+            var words = messageFilter.Split(new[] { ' ', '\t', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+            foreach (var word in words)
+            {
+                var escaped = word.Trim().Replace("\"", "\\\"", StringComparison.Ordinal);
+                argsBuilder.Append($"--grep=\"{escaped}\" ");
+            }
+            argsBuilder.Append("--all-match");
+
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = $"log -{maxCount} --date-order --no-show-signature --decorate=full --pretty=format:%H%n%P%n%D%n%aN±%aE%n%at%n%cN±%cE%n%ct%n%s " + argsBuilder.ToString();
+            _findFirstMerged = false;
+        }
+
         public List<Models.Commit> Result()
         {
             var rs = ReadToEnd();
@@ -53,8 +71,6 @@ namespace SourceGit.Commands
                         _current.Subject = line;
                         nextPartIdx = -1;
                         break;
-                    default:
-                        break;
                 }
 
                 nextPartIdx++;
@@ -97,6 +113,9 @@ namespace SourceGit.Commands
             foreach (var sub in subs)
             {
                 var d = sub.Trim();
+                if (d.EndsWith("/HEAD", StringComparison.Ordinal))
+                    continue;
+
                 if (d.StartsWith("tag: refs/tags/", StringComparison.Ordinal))
                 {
                     _current.Decorators.Add(new Models.Decorator()
@@ -105,10 +124,6 @@ namespace SourceGit.Commands
                         Name = d.Substring(15),
                     });
                 }
-                else if (d.EndsWith("/HEAD", StringComparison.Ordinal))
-                {
-                    continue;
-                }
                 else if (d.StartsWith("HEAD -> refs/heads/", StringComparison.Ordinal))
                 {
                     _current.IsMerged = true;
@@ -159,10 +174,10 @@ namespace SourceGit.Commands
 
         private void MarkFirstMerged()
         {
-            Args = $"log --since=\"{_commits[_commits.Count - 1].CommitterTimeStr}\" --format=\"%H\"";
+            Args = $"log --since=\"{_commits[^1].CommitterTimeStr}\" --format=\"%H\"";
 
             var rs = ReadToEnd();
-            var shas = rs.StdOut.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
+            var shas = rs.StdOut.Split('\n', StringSplitOptions.RemoveEmptyEntries);
             if (shas.Length == 0)
                 return;
 

src/Commands/QueryLocalChanges.cs

@@ -52,7 +52,7 @@ namespace SourceGit.Commands
                     change.Set(Models.ChangeState.None, Models.ChangeState.Copied);
                     break;
                 case "M":
-                    change.Set(Models.ChangeState.Modified, Models.ChangeState.None);
+                    change.Set(Models.ChangeState.Modified);
                     break;
                 case "MM":
                     change.Set(Models.ChangeState.Modified, Models.ChangeState.Modified);
@@ -61,7 +61,7 @@ namespace SourceGit.Commands
                     change.Set(Models.ChangeState.Modified, Models.ChangeState.Deleted);
                     break;
                 case "A":
-                    change.Set(Models.ChangeState.Added, Models.ChangeState.None);
+                    change.Set(Models.ChangeState.Added);
                     break;
                 case "AM":
                     change.Set(Models.ChangeState.Added, Models.ChangeState.Modified);
@@ -70,10 +70,10 @@ namespace SourceGit.Commands
                     change.Set(Models.ChangeState.Added, Models.ChangeState.Deleted);
                     break;
                 case "D":
-                    change.Set(Models.ChangeState.Deleted, Models.ChangeState.None);
+                    change.Set(Models.ChangeState.Deleted);
                     break;
                 case "R":
-                    change.Set(Models.ChangeState.Renamed, Models.ChangeState.None);
+                    change.Set(Models.ChangeState.Renamed);
                     break;
                 case "RM":
                     change.Set(Models.ChangeState.Renamed, Models.ChangeState.Modified);
@@ -82,7 +82,7 @@ namespace SourceGit.Commands
                     change.Set(Models.ChangeState.Renamed, Models.ChangeState.Deleted);
                     break;
                 case "C":
-                    change.Set(Models.ChangeState.Copied, Models.ChangeState.None);
+                    change.Set(Models.ChangeState.Copied);
                     break;
                 case "CM":
                     change.Set(Models.ChangeState.Copied, Models.ChangeState.Modified);

src/Commands/QuerySingleCommit.cs

@@ -47,6 +47,9 @@ namespace SourceGit.Commands
             foreach (var sub in subs)
             {
                 var d = sub.Trim();
+                if (d.EndsWith("/HEAD", StringComparison.Ordinal))
+                    continue;
+
                 if (d.StartsWith("tag: refs/tags/", StringComparison.Ordinal))
                 {
                     decorators.Add(new Models.Decorator()
@@ -55,10 +58,6 @@ namespace SourceGit.Commands
                         Name = d.Substring(15),
                     });
                 }
-                else if (d.EndsWith("/HEAD", StringComparison.Ordinal))
-                {
-                    continue;
-                }
                 else if (d.StartsWith("HEAD -> refs/heads/", StringComparison.Ordinal))
                 {
                     isHeadOfCurrent = true;

src/Commands/QueryTags.cs

@@ -20,7 +20,7 @@ namespace SourceGit.Commands
 
         protected override void OnReadline(string line)
         {
-            var subs = line.Split(new char[] { '$' }, StringSplitOptions.RemoveEmptyEntries);
+            var subs = line.Split('$', StringSplitOptions.RemoveEmptyEntries);
             if (subs.Length == 2)
             {
                 _loaded.Add(new Models.Tag()

src/Commands/Rebase.cs

@@ -1,6 +1,4 @@
-using System.Diagnostics;
+namespace SourceGit.Commands
-
-namespace SourceGit.Commands
 {
     public class Rebase : Command
     {
@@ -19,12 +17,10 @@ namespace SourceGit.Commands
     {
         public InteractiveRebase(string repo, string basedOn)
         {
-            var exec = Process.GetCurrentProcess().MainModule.FileName;
-            var editor = $"\\\"{exec}\\\" --rebase-editor";
-
             WorkingDirectory = repo;
             Context = repo;
-            Args = $"-c core.editor=\"{editor}\" -c sequence.editor=\"{editor}\" -c rebase.abbreviateCommands=true rebase -i --autosquash {basedOn}";
+            Editor = EditorType.RebaseEditor;
+            Args = $"rebase -i --autosquash {basedOn}";
         }
     }
 }

src/Commands/Statistics.cs

@@ -27,11 +27,8 @@ namespace SourceGit.Commands
                 return;
 
             var dateStr = line.Substring(0, dateEndIdx);
-            var date = 0.0;
+            if (double.TryParse(dateStr, out var date))
-            if (!double.TryParse(dateStr, out date))
+                _statistics.AddCommit(line.Substring(dateEndIdx + 1), date);
-                return;
-
-            _statistics.AddCommit(line.Substring(dateEndIdx + 1), date);
         }
 
         private readonly Models.Statistics _statistics = null;

src/Commands/Worktree.cs

@@ -1,14 +1,10 @@
 using System;
 using System.Collections.Generic;
-using System.Text.RegularExpressions;
 
 namespace SourceGit.Commands
 {
-    public partial class Worktree : Command
+    public class Worktree : Command
     {
-        [GeneratedRegex(@"^(\w)\s(\d+)$")]
-        private static partial Regex REG_AHEAD_BEHIND();
-
         public Worktree(string repo)
         {
             WorkingDirectory = repo;
@@ -24,7 +20,7 @@ namespace SourceGit.Commands
             var last = null as Models.Worktree;
             if (rs.IsSuccess)
             {
-                var lines = rs.StdOut.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
+                var lines = rs.StdOut.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
                 foreach (var line in lines)
                 {
                     if (line.StartsWith("worktree ", StringComparison.Ordinal))
@@ -34,27 +30,23 @@ namespace SourceGit.Commands
                     }
                     else if (line.StartsWith("bare", StringComparison.Ordinal))
                     {
-                        last.IsBare = true;
+                        last!.IsBare = true;
                     }
                     else if (line.StartsWith("HEAD ", StringComparison.Ordinal))
                     {
-                        last.Head = line.Substring(5).Trim();
+                        last!.Head = line.Substring(5).Trim();
                     }
                     else if (line.StartsWith("branch ", StringComparison.Ordinal))
                     {
-                        last.Branch = line.Substring(7).Trim();
+                        last!.Branch = line.Substring(7).Trim();
                     }
                     else if (line.StartsWith("detached", StringComparison.Ordinal))
                     {
-                        last.IsDetached = true;
+                        last!.IsDetached = true;
                     }
                     else if (line.StartsWith("locked", StringComparison.Ordinal))
                     {
-                        last.IsLocked = true;
+                        last!.IsLocked = true;
-                    }
-                    else if (line.StartsWith("prunable", StringComparison.Ordinal))
-                    {
-                        last.IsPrunable = true;
                     }
                 }
             }

src/Converters/ChangeViewModeConverters.cs

@@ -1,4 +1,5 @@
-using Avalonia.Controls;
+using Avalonia;
+using Avalonia.Controls;
 using Avalonia.Data.Converters;
 using Avalonia.Media;
 
@@ -12,11 +13,11 @@ namespace SourceGit.Converters
                 switch (v)
                 {
                     case Models.ChangeViewMode.List:
-                        return App.Current?.FindResource("Icons.List") as StreamGeometry;
+                        return Application.Current?.FindResource("Icons.List") as StreamGeometry;
                     case Models.ChangeViewMode.Grid:
-                        return App.Current?.FindResource("Icons.Grid") as StreamGeometry;
+                        return Application.Current?.FindResource("Icons.Grid") as StreamGeometry;
                     default:
-                        return App.Current?.FindResource("Icons.Tree") as StreamGeometry;
+                        return Application.Current?.FindResource("Icons.Tree") as StreamGeometry;
                 }
             });
     }

src/Converters/IntConverters.cs

@@ -22,7 +22,7 @@ namespace SourceGit.Converters
 
         public static readonly FuncValueConverter<int, bool> IsSubjectLengthBad =
             new FuncValueConverter<int, bool>(v => v > ViewModels.Preference.Instance.SubjectGuideLength);
-        
+
         public static readonly FuncValueConverter<int, bool> IsSubjectLengthGood =
             new FuncValueConverter<int, bool>(v => v <= ViewModels.Preference.Instance.SubjectGuideLength);
 

src/Converters/StringConverters.cs

@@ -18,7 +18,7 @@ namespace SourceGit.Converters
 
             public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
             {
-                return (value as Models.Locale).Key;
+                return (value as Models.Locale)?.Key;
             }
         }
 
@@ -29,18 +29,21 @@ namespace SourceGit.Converters
             public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
             {
                 var theme = (string)value;
+                if (string.IsNullOrEmpty(theme))
+                    return ThemeVariant.Default;
+
                 if (theme.Equals("Light", StringComparison.OrdinalIgnoreCase))
                     return ThemeVariant.Light;
-                else if (theme.Equals("Dark", StringComparison.OrdinalIgnoreCase))
+
+                if (theme.Equals("Dark", StringComparison.OrdinalIgnoreCase))
                     return ThemeVariant.Dark;
-                else
+
-                    return ThemeVariant.Default;
+                return ThemeVariant.Default;
             }
 
             public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
             {
-                var theme = (ThemeVariant)value;
+                return (value as ThemeVariant)?.Key;
-                return theme.Key;
             }
         }
 

src/Models/AvatarManager.cs

@@ -75,7 +75,10 @@ namespace SourceGit.Models
                             }
                         }
                     }
-                    catch { }
+                    catch
+                    {
+                        // ignored
+                    }
 
                     lock (_synclock)
                     {
@@ -84,10 +87,7 @@ namespace SourceGit.Models
 
                     Dispatcher.UIThread.InvokeAsync(() =>
                     {
-                        if (_resources.ContainsKey(md5))
+                        _resources[md5] = img;
-                            _resources[md5] = img;
-                        else
-                            _resources.Add(md5, img);
                         NotifyResourceChanged(md5);
                     });
                 }
@@ -134,7 +134,10 @@ namespace SourceGit.Models
                             return img;
                         }
                     }
-                    catch { }
+                    catch
+                    {
+                        // ignore
+                    }
                 }
             }
 
@@ -156,7 +159,7 @@ namespace SourceGit.Models
         }
 
         private static readonly object _synclock = new object();
-        private static readonly string _storePath = string.Empty;
+        private static readonly string _storePath;
         private static readonly List<IAvatarHost> _avatars = new List<IAvatarHost>();
         private static readonly Dictionary<string, Bitmap> _resources = new Dictionary<string, Bitmap>();
         private static readonly HashSet<string> _requesting = new HashSet<string>();

src/Models/Commit.cs

@@ -19,13 +19,11 @@ namespace SourceGit.Models
         public bool IsMerged { get; set; } = false;
         public Thickness Margin { get; set; } = new Thickness(0);
 
-        
         public string AuthorTimeStr => DateTime.UnixEpoch.AddSeconds(AuthorTime).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
         public string CommitterTimeStr => DateTime.UnixEpoch.AddSeconds(CommitterTime).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
         public string AuthorTimeShortStr => DateTime.UnixEpoch.AddSeconds(AuthorTime).ToLocalTime().ToString("yyyy/MM/dd");
-        public string CommitterTimeShortStr => DateTime.UnixEpoch.AddSeconds(CommitterTime).ToString("yyyy/MM/dd");
 
-        public bool IsCommitterVisible => Author != Committer || AuthorTime != CommitterTime;
+        public bool IsCommitterVisible => !Author.Equals(Committer) || AuthorTime != CommitterTime;
         public bool IsCurrentHead => Decorators.Find(x => x.Type is DecoratorType.CurrentBranchHead or DecoratorType.CurrentCommitHead) != null;
     }
 }

src/Models/CommitGraph.cs

@@ -61,8 +61,13 @@ namespace SourceGit.Models
                 }
                 else if (x < LastX)
                 {
-                    if (y > LastY + halfHeight)
+                    var testY = LastY + halfHeight;
-                        Add(new Point(LastX, LastY + halfHeight));
+                    if (y > testY)
+                        Add(new Point(LastX, testY));
+
+                    if (!isEnd)
+                        y += halfHeight;
+
                     Add(new Point(x, y));
                 }
                 else if (isEnd)
@@ -108,17 +113,17 @@ namespace SourceGit.Models
             private set;
         } = new List<Pen>();
 
-        public static void SetDefaultPens()
+        public static void SetDefaultPens(double thickness = 2)
         {
-            SetPenColors(_defaultPenColors);
+            SetPens(_defaultPenColors, thickness);
         }
 
-        public static void SetPenColors(List<Color> colors)
+        public static void SetPens(List<Color> colors, double thickness)
         {
             Pens.Clear();
 
             foreach (var c in colors)
-                Pens.Add(new Pen(c.ToUInt32(), 2));
+                Pens.Add(new Pen(c.ToUInt32(), thickness));
 
             _penCount = colors.Count;
         }
@@ -216,13 +221,17 @@ namespace SourceGit.Models
                     var parent = commit.Parents[j];
                     if (mapUnsolved.TryGetValue(parent, out var value))
                     {
+                        // Try to change the merge state of linked graph
                         var l = value;
-                        var link = new Link();
+                        if (isMerged)
+                            l.IsMerged = true;
 
+                        var link = new Link();
                         link.Start = position;
                         link.End = new Point(l.LastX, offsetY + HALF_HEIGHT);
                         link.Control = new Point(link.End.X, link.Start.Y);
                         link.Color = l.Path.Color;
+
                         temp.Links.Add(link);
                     }
                     else
@@ -259,8 +268,9 @@ namespace SourceGit.Models
                 var path = unsolved[i];
                 var endY = (commits.Count - 0.5) * UNIT_HEIGHT;
 
-                if (path.Path.Points.Count == 1 && path.Path.Points[0].Y == endY)
+                if (path.Path.Points.Count == 1 && Math.Abs(path.Path.Points[0].Y - endY) < 0.0001)
                     continue;
+
                 path.Add((i + 0.5) * UNIT_WIDTH, endY + HALF_HEIGHT, HALF_HEIGHT, true);
             }
             unsolved.Clear();

src/Models/CustomColorSchema.cs

@@ -1,10 +0,0 @@
-using System.Collections.Generic;
-
-namespace SourceGit.Models
-{
-    public class CustomColorSchema
-    {
-        public Dictionary<string, string> Basic { get; set; } = new Dictionary<string, string>();
-        public List<string> Graph { get; set; } = new List<string>();
-    }
-}

src/Models/DiffOption.cs

@@ -108,8 +108,8 @@ namespace SourceGit.Models
 
         private readonly Change _workingCopyChange = null;
         private readonly bool _isUnstaged = false;
+        private readonly string _path;
         private readonly string _orgPath = string.Empty;
-        private readonly string _path = string.Empty;
         private readonly string _extra = string.Empty;
         private readonly List<string> _revisions = new List<string>();
     }

src/Models/ExternalTool.cs

@@ -12,9 +12,9 @@ namespace SourceGit.Models
 {
     public class ExternalTool
     {
-        public string Name { get; private set; } = string.Empty;
+        public string Name { get; private set; }
-        public string Executable { get; private set; } = string.Empty;
+        public string Executable { get; private set; }
-        public string OpenCmdArgs { get; private set; } = string.Empty;
+        public string OpenCmdArgs { get; private set; }
         public Bitmap IconImage { get; private set; } = null;
 
         public ExternalTool(string name, string icon, string executable, string openCmdArgs)
@@ -25,10 +25,14 @@ namespace SourceGit.Models
 
             try
             {
-                var asset = AssetLoader.Open(new Uri($"avares://SourceGit/Resources/ExternalToolIcons/{icon}.png", UriKind.RelativeOrAbsolute));
+                var asset = AssetLoader.Open(new Uri($"avares://SourceGit/Resources/ExternalToolIcons/{icon}.png",
+                    UriKind.RelativeOrAbsolute));
                 IconImage = new Bitmap(asset);
             }
-            catch { }
+            catch
+            {
+                // ignore
+            }
         }
 
         public void Open(string repo)

src/Models/InteractiveRebase.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+
+namespace SourceGit.Models
+{
+    public enum InteractiveRebaseAction
+    {
+        Pick,
+        Edit,
+        Reword,
+        Squash,
+        Fixup,
+        Drop,
+    }
+
+    public class InteractiveRebaseJob
+    {
+        public string SHA { get; set; } = string.Empty;
+        public InteractiveRebaseAction Action { get; set; } = InteractiveRebaseAction.Pick;
+        public string Message { get; set; } = string.Empty;
+    }
+
+    public class InteractiveRebaseJobCollection
+    {
+        public List<InteractiveRebaseJob> Jobs { get; set; } = new List<InteractiveRebaseJob>();
+    }
+}

src/Models/InteractiveRebaseEditor.cs

@@ -1,98 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text.Json;
-
-namespace SourceGit.Models
-{
-    public enum InteractiveRebaseAction
-    {
-        Pick,
-        Edit,
-        Reword,
-        Squash,
-        Fixup,
-        Drop,
-    }
-
-    public class InteractiveRebaseJob
-    {
-        public string SHA { get; set; } = string.Empty;
-        public InteractiveRebaseAction Action { get; set; } = InteractiveRebaseAction.Pick;
-        public string Message { get; set; } = string.Empty;
-    }
-
-    public static class InteractiveRebaseEditor
-    {
-        public static int Process(string file)
-        {
-            try
-            {
-                var filename = Path.GetFileName(file);
-                if (filename.Equals("git-rebase-todo", StringComparison.OrdinalIgnoreCase))
-                {
-                    var dirInfo = new DirectoryInfo(Path.GetDirectoryName(file));
-                    if (!dirInfo.Exists || !dirInfo.Name.Equals("rebase-merge", StringComparison.Ordinal))
-                        return -1;
-
-                    var jobsFile = Path.Combine(dirInfo.Parent.FullName, "sourcegit_rebase_jobs.json");
-                    if (!File.Exists(jobsFile))
-                        return -1;
-
-                    var jobs = JsonSerializer.Deserialize(File.ReadAllText(jobsFile), JsonCodeGen.Default.ListInteractiveRebaseJob);
-                    var lines = new List<string>();
-                    foreach (var job in jobs)
-                    {
-                        switch (job.Action)
-                        {
-                            case InteractiveRebaseAction.Pick:
-                                lines.Add($"p {job.SHA}");
-                                break;
-                            case InteractiveRebaseAction.Edit:
-                                lines.Add($"e {job.SHA}");
-                                break;
-                            case InteractiveRebaseAction.Reword:
-                                lines.Add($"r {job.SHA}");
-                                break;
-                            case InteractiveRebaseAction.Squash:
-                                lines.Add($"s {job.SHA}");
-                                break;
-                            case InteractiveRebaseAction.Fixup:
-                                lines.Add($"f {job.SHA}");
-                                break;
-                            default:
-                                lines.Add($"d {job.SHA}");
-                                break;
-                        }
-                    }
-
-                    File.WriteAllLines(file, lines);
-                } 
-                else if (filename.Equals("COMMIT_EDITMSG", StringComparison.OrdinalIgnoreCase))
-                {
-                    var jobsFile = Path.Combine(Path.GetDirectoryName(file), "sourcegit_rebase_jobs.json");
-                    if (!File.Exists(jobsFile))
-                        return 0;
-
-                    var jobs = JsonSerializer.Deserialize(File.ReadAllText(jobsFile), JsonCodeGen.Default.ListInteractiveRebaseJob);
-                    var doneFile = Path.Combine(Path.GetDirectoryName(file), "rebase-merge", "done");
-                    if (!File.Exists(doneFile))
-                        return -1;
-
-                    var done = File.ReadAllText(doneFile).Split(new char[] {'\n', '\r'}, StringSplitOptions.RemoveEmptyEntries);
-                    if (done.Length > jobs.Count)
-                        return -1;
-
-                    var job = jobs[done.Length - 1];
-                    File.WriteAllText(file, job.Message);
-                }
-
-                return 0;
-            }
-            catch
-            {
-                return -1;
-            }
-        }
-    }
-}

src/Models/Remote.cs

@@ -40,11 +40,15 @@ namespace SourceGit.Models
 
         public static bool IsValidURL(string url)
         {
+            if (string.IsNullOrWhiteSpace(url))
+                return false;
+
             foreach (var fmt in URL_FORMATS)
             {
                 if (fmt.IsMatch(url))
                     return true;
             }
+
             return false;
         }
 

src/Models/RevisionFile.cs

@@ -14,7 +14,6 @@ namespace SourceGit.Models
 
     public class RevisionTextFile
     {
-        public string FileName { get; set; }
         public string Content { get; set; }
     }
 

src/Models/TextMateHelper.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 
+using Avalonia;
 using Avalonia.Styling;
 
 using AvaloniaEdit;
@@ -14,14 +15,10 @@ namespace SourceGit.Models
     {
         public static TextMate.Installation CreateForEditor(TextEditor editor)
         {
-            if (App.Current?.ActualThemeVariant == ThemeVariant.Dark)
+            if (Application.Current?.ActualThemeVariant == ThemeVariant.Dark)
-            {
                 return editor.InstallTextMate(new RegistryOptions(ThemeName.DarkPlus));
-            }
+
-            else
+            return editor.InstallTextMate(new RegistryOptions(ThemeName.LightPlus));
-            {
-                return editor.InstallTextMate(new RegistryOptions(ThemeName.LightPlus));
-            }
         }
 
         public static void SetThemeByApp(TextMate.Installation installation)
@@ -29,35 +26,28 @@ namespace SourceGit.Models
             if (installation == null)
                 return;
 
-            var reg = installation.RegistryOptions as RegistryOptions;
+            if (installation.RegistryOptions is RegistryOptions reg)
-            if (App.Current?.ActualThemeVariant == ThemeVariant.Dark)
             {
-                installation.SetTheme(reg.LoadTheme(ThemeName.DarkPlus));
+                if (Application.Current?.ActualThemeVariant == ThemeVariant.Dark)
-            }
+                    installation.SetTheme(reg.LoadTheme(ThemeName.DarkPlus));
-            else
+                else
-            {
+                    installation.SetTheme(reg.LoadTheme(ThemeName.LightPlus));
-                installation.SetTheme(reg.LoadTheme(ThemeName.LightPlus));
             }
         }
 
         public static void SetGrammarByFileName(TextMate.Installation installation, string filePath)
         {
-            if (installation == null)
+            if (installation is { RegistryOptions: RegistryOptions reg })
-                return;
-
-            var ext = Path.GetExtension(filePath);
-            if (ext == ".h")
             {
-                ext = ".cpp";
+                var ext = Path.GetExtension(filePath);
-            }
+                if (ext == ".h")
-            else if (ext == ".resx" || ext == ".plist")
+                    ext = ".cpp";
-            {
+                else if (ext == ".resx" || ext == ".plist")
-                ext = ".xml";
+                    ext = ".xml";
-            }
 
-            var reg = installation.RegistryOptions as RegistryOptions;
+                installation.SetGrammar(reg.GetScopeByExtension(ext));
-            installation.SetGrammar(reg.GetScopeByExtension(ext));
+                GC.Collect();
-            GC.Collect();
+            }
         }
     }
 }

src/Models/ThemeOverrides.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+
+using Avalonia.Media;
+
+namespace SourceGit.Models
+{
+    public class ThemeOverrides
+    {
+        public Dictionary<string, Color> BasicColors { get; set; } = new Dictionary<string, Color>();
+        public double GraphPenThickness { get; set; } = 2;
+        public List<Color> GraphColors { get; set; } = new List<Color>();
+    }
+}

src/Models/TreeDataGridSelectionModel.cs

@@ -1,462 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Controls.Models.TreeDataGrid;
-using Avalonia.Controls.Primitives;
-using Avalonia.Controls.Selection;
-using Avalonia.Input;
-
-namespace SourceGit.Models
-{
-    public class TreeDataGridSelectionModel<TModel> : TreeSelectionModelBase<TModel>,
-        ITreeDataGridRowSelectionModel<TModel>,
-        ITreeDataGridSelectionInteraction
-        where TModel : class
-    {
-        private static readonly Point s_InvalidPoint = new(double.NegativeInfinity, double.NegativeInfinity);
-
-        private readonly ITreeDataGridSource<TModel> _source;
-        private EventHandler _viewSelectionChanged;
-        private EventHandler _rowDoubleTapped;
-        private Point _pressedPoint = s_InvalidPoint;
-        private bool _raiseViewSelectionChanged;
-        private Func<TModel, IEnumerable<TModel>> _childrenGetter;
-
-        public TreeDataGridSelectionModel(ITreeDataGridSource<TModel> source, Func<TModel, IEnumerable<TModel>> childrenGetter)
-            : base(source.Items)
-        {
-            _source = source;
-            _childrenGetter = childrenGetter;
-
-            SelectionChanged += (s, e) =>
-            {
-                if (!IsSourceCollectionChanging)
-                    _viewSelectionChanged?.Invoke(this, e);
-                else
-                    _raiseViewSelectionChanged = true;
-            };
-        }
-
-        public void Select(IEnumerable<TModel> items)
-        {
-            using (BatchUpdate())
-            {
-                Clear();
-
-                foreach (var selected in items)
-                {
-                    var idx = GetModelIndex(_source.Items, selected, IndexPath.Unselected);
-                    if (!idx.Equals(IndexPath.Unselected))
-                        Select(idx);
-                }
-            }
-        }
-
-        event EventHandler ITreeDataGridSelectionInteraction.SelectionChanged
-        {
-            add => _viewSelectionChanged += value;
-            remove => _viewSelectionChanged -= value;
-        }
-
-        public event EventHandler RowDoubleTapped
-        {
-            add => _rowDoubleTapped += value;
-            remove => _rowDoubleTapped -= value;
-        }
-
-        IEnumerable ITreeDataGridSelection.Source
-        {
-            get => Source;
-            set => Source = value;
-        }
-
-        bool ITreeDataGridSelectionInteraction.IsRowSelected(IRow rowModel)
-        {
-            if (rowModel is IModelIndexableRow indexable)
-                return IsSelected(indexable.ModelIndexPath);
-            return false;
-        }
-
-        bool ITreeDataGridSelectionInteraction.IsRowSelected(int rowIndex)
-        {
-            if (rowIndex >= 0 && rowIndex < _source.Rows.Count)
-            {
-                if (_source.Rows[rowIndex] is IModelIndexableRow indexable)
-                    return IsSelected(indexable.ModelIndexPath);
-            }
-
-            return false;
-        }
-
-        void ITreeDataGridSelectionInteraction.OnKeyDown(TreeDataGrid sender, KeyEventArgs e)
-        {
-            if (sender.RowsPresenter is null)
-                return;
-
-            if (!e.Handled)
-            {
-                var ctrl = e.KeyModifiers.HasFlag(KeyModifiers.Control);
-                if (e.Key == Key.A && ctrl && !SingleSelect)
-                {
-                    using (BatchUpdate())
-                    {
-                        Clear();
-
-                        int num = _source.Rows.Count;
-                        for (int i = 0; i < num; ++i)
-                        {
-                            var m = _source.Rows.RowIndexToModelIndex(i);
-                            Select(m);
-                        }
-                    }
-                    e.Handled = true;
-                }
-
-                var direction = e.Key.ToNavigationDirection();
-                var shift = e.KeyModifiers.HasFlag(KeyModifiers.Shift);
-                if (direction.HasValue)
-                {
-                    var anchorRowIndex = _source.Rows.ModelIndexToRowIndex(AnchorIndex);
-                    sender.RowsPresenter.BringIntoView(anchorRowIndex);
-
-                    var anchor = sender.TryGetRow(anchorRowIndex);
-                    if (anchor is not null && !ctrl)
-                    {
-                        e.Handled = TryKeyExpandCollapse(sender, direction.Value, anchor);
-                    }
-
-                    if (!e.Handled && (!ctrl || shift))
-                    {
-                        e.Handled = MoveSelection(sender, direction.Value, shift, anchor);
-                    }
-
-                    if (!e.Handled && direction == NavigationDirection.Left
-                        && anchor?.Rows is HierarchicalRows<TModel> hierarchicalRows && anchorRowIndex > 0)
-                    {
-                        var newIndex = hierarchicalRows.GetParentRowIndex(AnchorIndex);
-                        UpdateSelection(sender, newIndex, true);
-                        FocusRow(sender, sender.RowsPresenter.BringIntoView(newIndex));
-                    }
-
-                    if (!e.Handled && direction == NavigationDirection.Right
-                       && anchor?.Rows is HierarchicalRows<TModel> hierarchicalRows2 && hierarchicalRows2[anchorRowIndex].IsExpanded)
-                    {
-                        var newIndex = anchorRowIndex + 1;
-                        UpdateSelection(sender, newIndex, true);
-                        sender.RowsPresenter.BringIntoView(newIndex);
-                    }
-                }
-            }
-        }
-
-        void ITreeDataGridSelectionInteraction.OnPointerPressed(TreeDataGrid sender, PointerPressedEventArgs e)
-        {
-            if (!e.Handled &&
-                e.Pointer.Type == PointerType.Mouse &&
-                e.Source is Control source &&
-                sender.TryGetRow(source, out var row) &&
-                _source.Rows.RowIndexToModelIndex(row.RowIndex) is { } modelIndex)
-            {
-                if (!IsSelected(modelIndex))
-                {
-                    PointerSelect(sender, row, e);
-                    _pressedPoint = s_InvalidPoint;
-                }
-                else
-                {
-                    var point = e.GetCurrentPoint(sender);
-                    if (point.Properties.IsRightButtonPressed)
-                    {
-                        _pressedPoint = s_InvalidPoint;
-                        return;
-                    }
-
-                    if (e.KeyModifiers == KeyModifiers.Control)
-                    {
-                        Deselect(modelIndex);
-                    }
-                    else if (e.ClickCount % 2 == 0)
-                    {
-                        var focus = _source.Rows[row.RowIndex];
-                        if (focus is IExpander expander && HasChildren(focus))
-                            expander.IsExpanded = !expander.IsExpanded;
-                        else
-                            _rowDoubleTapped?.Invoke(this, e);
-
-                        e.Handled = true;
-                    }
-                    else if (sender.RowSelection.Count > 1)
-                    {
-                        using (BatchUpdate())
-                        {
-                            Clear();
-                            Select(modelIndex);
-                        }
-                    }
-
-                    _pressedPoint = s_InvalidPoint;
-                }
-            }
-            else
-            {
-                if (!sender.TryGetRow(e.Source as Control, out var test))
-                    Clear();
-
-                _pressedPoint = e.GetPosition(sender);
-            }
-        }
-
-        void ITreeDataGridSelectionInteraction.OnPointerReleased(TreeDataGrid sender, PointerReleasedEventArgs e)
-        {
-            if (!e.Handled &&
-                _pressedPoint != s_InvalidPoint &&
-                e.Source is Control source &&
-                sender.TryGetRow(source, out var row) &&
-                _source.Rows.RowIndexToModelIndex(row.RowIndex) is { } modelIndex)
-            {
-                if (!IsSelected(modelIndex))
-                {
-                    var p = e.GetPosition(sender);
-                    if (Math.Abs(p.X - _pressedPoint.X) <= 3 || Math.Abs(p.Y - _pressedPoint.Y) <= 3)
-                        PointerSelect(sender, row, e);
-                }
-            }
-        }
-
-        protected override void OnSourceCollectionChangeFinished()
-        {
-            if (_raiseViewSelectionChanged)
-            {
-                _viewSelectionChanged?.Invoke(this, EventArgs.Empty);
-                _raiseViewSelectionChanged = false;
-            }
-        }
-
-        private void PointerSelect(TreeDataGrid sender, TreeDataGridRow row, PointerEventArgs e)
-        {
-            var point = e.GetCurrentPoint(sender);
-
-            var commandModifiers = TopLevel.GetTopLevel(sender)?.PlatformSettings?.HotkeyConfiguration.CommandModifiers;
-            var toggleModifier = commandModifiers is not null && e.KeyModifiers.HasFlag(commandModifiers);
-            var isRightButton = point.Properties.PointerUpdateKind is PointerUpdateKind.RightButtonPressed or
-                PointerUpdateKind.RightButtonReleased;
-
-            UpdateSelection(
-                sender,
-                row.RowIndex,
-                select: true,
-                rangeModifier: e.KeyModifiers.HasFlag(KeyModifiers.Shift),
-                toggleModifier: toggleModifier,
-                rightButton: isRightButton);
-            e.Handled = true;
-        }
-
-        private void UpdateSelection(TreeDataGrid treeDataGrid, int rowIndex, bool select = true, bool rangeModifier = false, bool toggleModifier = false, bool rightButton = false)
-        {
-            var modelIndex = _source.Rows.RowIndexToModelIndex(rowIndex);
-            if (modelIndex == default)
-                return;
-
-            var mode = SingleSelect ? SelectionMode.Single : SelectionMode.Multiple;
-            var multi = (mode & SelectionMode.Multiple) != 0;
-            var toggle = (toggleModifier || (mode & SelectionMode.Toggle) != 0);
-            var range = multi && rangeModifier;
-
-            if (!select)
-            {
-                if (IsSelected(modelIndex) && !treeDataGrid.QueryCancelSelection())
-                    Deselect(modelIndex);
-            }
-            else if (rightButton)
-            {
-                if (IsSelected(modelIndex) == false && !treeDataGrid.QueryCancelSelection())
-                    SelectedIndex = modelIndex;
-            }
-            else if (range)
-            {
-                if (!treeDataGrid.QueryCancelSelection())
-                {
-                    var anchor = RangeAnchorIndex;
-                    var i = Math.Max(_source.Rows.ModelIndexToRowIndex(anchor), 0);
-                    var step = i < rowIndex ? 1 : -1;
-
-                    using (BatchUpdate())
-                    {
-                        Clear();
-
-                        while (true)
-                        {
-                            var m = _source.Rows.RowIndexToModelIndex(i);
-                            Select(m);
-                            anchor = m;
-                            if (i == rowIndex)
-                                break;
-                            i += step;
-                        }
-                    }
-                }
-            }
-            else if (multi && toggle)
-            {
-                if (!treeDataGrid.QueryCancelSelection())
-                {
-                    if (IsSelected(modelIndex) == true)
-                        Deselect(modelIndex);
-                    else
-                        Select(modelIndex);
-                }
-            }
-            else if (toggle)
-            {
-                if (!treeDataGrid.QueryCancelSelection())
-                    SelectedIndex = (SelectedIndex == modelIndex) ? -1 : modelIndex;
-            }
-            else if (SelectedIndex != modelIndex || Count > 1)
-            {
-                if (!treeDataGrid.QueryCancelSelection())
-                    SelectedIndex = modelIndex;
-            }
-        }
-
-        private bool TryKeyExpandCollapse(TreeDataGrid treeDataGrid, NavigationDirection direction, TreeDataGridRow focused)
-        {
-            if (treeDataGrid.RowsPresenter is null || focused.RowIndex < 0)
-                return false;
-
-            var row = _source.Rows[focused.RowIndex];
-
-            if (row is IExpander expander)
-            {
-                if (direction == NavigationDirection.Right && !expander.IsExpanded)
-                {
-                    expander.IsExpanded = true;
-                    return true;
-                }
-                else if (direction == NavigationDirection.Left && expander.IsExpanded)
-                {
-                    expander.IsExpanded = false;
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        private bool MoveSelection(TreeDataGrid treeDataGrid, NavigationDirection direction, bool rangeModifier, TreeDataGridRow focused)
-        {
-            if (treeDataGrid.RowsPresenter is null || _source.Columns.Count == 0 || _source.Rows.Count == 0)
-                return false;
-
-            var currentRowIndex = focused?.RowIndex ?? _source.Rows.ModelIndexToRowIndex(SelectedIndex);
-            int newRowIndex;
-
-            if (direction == NavigationDirection.First || direction == NavigationDirection.Last)
-            {
-                newRowIndex = direction == NavigationDirection.First ? 0 : _source.Rows.Count - 1;
-            }
-            else
-            {
-                (var x, var y) = direction switch
-                {
-                    NavigationDirection.Up => (0, -1),
-                    NavigationDirection.Down => (0, 1),
-                    NavigationDirection.Left => (-1, 0),
-                    NavigationDirection.Right => (1, 0),
-                    _ => (0, 0)
-                };
-
-                newRowIndex = Math.Max(0, Math.Min(currentRowIndex + y, _source.Rows.Count - 1));
-            }
-
-            if (newRowIndex != currentRowIndex)
-                UpdateSelection(treeDataGrid, newRowIndex, true, rangeModifier);
-
-            if (newRowIndex != currentRowIndex)
-            {
-                treeDataGrid.RowsPresenter?.BringIntoView(newRowIndex);
-                FocusRow(treeDataGrid, treeDataGrid.TryGetRow(newRowIndex));
-                return true;
-            }
-            else
-            {
-                return false;
-            }
-        }
-
-        private static void FocusRow(TreeDataGrid owner, Control control)
-        {
-            if (!owner.TryGetRow(control, out var row) || row.CellsPresenter is null)
-                return;
-
-            // Get the column index of the currently focused cell if possible: we'll try to focus the
-            // same column in the new row.
-            if (TopLevel.GetTopLevel(owner)?.FocusManager is { } focusManager &&
-                focusManager.GetFocusedElement() is Control currentFocus &&
-                owner.TryGetCell(currentFocus, out var currentCell) &&
-                row.TryGetCell(currentCell.ColumnIndex) is { } newCell &&
-                newCell.Focusable)
-            {
-                newCell.Focus();
-            }
-            else
-            {
-                // Otherwise, just focus the first focusable cell in the row.
-                foreach (var cell in row.CellsPresenter.GetRealizedElements())
-                {
-                    if (cell.Focusable)
-                    {
-                        cell.Focus();
-                        break;
-                    }
-                }
-            }
-        }
-
-        protected override IEnumerable<TModel> GetChildren(TModel node)
-        {
-            if (node == null)
-                return null;
-
-            return _childrenGetter?.Invoke(node);
-        }
-
-        private IndexPath GetModelIndex(IEnumerable<TModel> collection, TModel model, IndexPath parent)
-        {
-            int i = 0;
-
-            foreach (var item in collection)
-            {
-                var index = parent.Append(i);
-                if (item != null && item == model)
-                    return index;
-
-                var children = GetChildren(item);
-                if (children != null)
-                {
-                    var findInChildren = GetModelIndex(children, model, index);
-                    if (!findInChildren.Equals(IndexPath.Unselected))
-                        return findInChildren;
-                }
-
-                i++;
-            }
-
-            return IndexPath.Unselected;
-        }
-
-        private bool HasChildren(IRow row)
-        {
-            var children = GetChildren(row.Model as TModel);
-            if (children != null)
-            {
-                foreach (var c in children)
-                    return true;
-            }
-
-            return false;
-        }
-    }
-}

src/Models/User.cs

@@ -10,6 +10,20 @@ namespace SourceGit.Models
         public string Name { get; set; } = string.Empty;
         public string Email { get; set; } = string.Empty;
 
+        public User()
+        {
+            // Only used by User.Invalid
+        }
+
+        public User(string data)
+        {
+            var nameEndIdx = data.IndexOf('±', StringComparison.Ordinal);
+
+            Name = nameEndIdx > 0 ? data.Substring(0, nameEndIdx) : string.Empty;
+            Email = data.Substring(nameEndIdx + 1);
+            _hash = data.GetHashCode();
+        }
+
         public override bool Equals(object obj)
         {
             if (obj == null || !(obj is User))
@@ -21,21 +35,15 @@ namespace SourceGit.Models
 
         public override int GetHashCode()
         {
-            return base.GetHashCode();
+            return _hash;
         }
 
         public static User FindOrAdd(string data)
         {
-            return _caches.GetOrAdd(data, key =>
+            return _caches.GetOrAdd(data, key => new User(key));
-            {
-                var nameEndIdx = key.IndexOf('±', StringComparison.Ordinal);
-                var name = nameEndIdx > 0 ? key.Substring(0, nameEndIdx) : string.Empty;
-                var email = key.Substring(nameEndIdx + 1);
-
-                return new User() { Name = name, Email = email };
-            });
         }
 
         private static ConcurrentDictionary<string, User> _caches = new ConcurrentDictionary<string, User>();
+        private readonly int _hash;
     }
 }

src/Models/Version.cs

@@ -28,7 +28,7 @@ namespace SourceGit.Models
 
                 var major = int.Parse(match.Groups[1].Value);
                 var minor = int.Parse(match.Groups[2].Value);
-                var ver = Assembly.GetExecutingAssembly().GetName().Version;
+                var ver = Assembly.GetExecutingAssembly().GetName().Version!;
                 return ver.Major < major || (ver.Major == major && ver.Minor < minor);
             }
         }

src/Models/Watcher.cs

@@ -38,7 +38,7 @@ namespace SourceGit.Models
 
             // If this repository is a worktree repository, just watch the main repository's gitdir.
             var gitDirNormalized = _repo.GitDir.Replace("\\", "/");
-            var worktreeIdx = gitDirNormalized.IndexOf(".git/worktrees/");
+            var worktreeIdx = gitDirNormalized.IndexOf(".git/worktrees/", StringComparison.Ordinal);
             var repoWatchDir = _repo.GitDir;
             if (worktreeIdx > 0)
                 repoWatchDir = _repo.GitDir.Substring(0, worktreeIdx + 4);

src/Models/Worktree.cs

@@ -9,7 +9,6 @@ namespace SourceGit.Models
         public string Head { get; set; } = string.Empty;
         public bool IsBare { get; set; } = false;
         public bool IsDetached { get; set; } = false;
-        public bool IsPrunable { get; set; } = false;
 
         public bool IsLocked
         {
@@ -26,7 +25,7 @@ namespace SourceGit.Models
 
                 if (Branch.StartsWith("refs/heads/", System.StringComparison.Ordinal))
                     return $"({Branch.Substring(11)})";
-                
+
                 if (Branch.StartsWith("refs/remotes/", System.StringComparison.Ordinal))
                     return $"({Branch.Substring(13)})";
 

src/Native/Linux.cs

@@ -15,8 +15,8 @@ namespace SourceGit.Native
     {
         class Terminal
         {
-            public string FilePath { get; set; } = string.Empty;
+            public string FilePath { get; set; }
-            public string OpenArgFormat { get; set; } = string.Empty;
+            public string OpenArgFormat { get; set; }
 
             public Terminal(string exec, string fmt)
             {
@@ -115,12 +115,15 @@ namespace SourceGit.Native
             }
 
             var proc = Process.Start(_xdgOpenPath, $"\"{file}\"");
-            proc.WaitForExit();
+            if (proc != null)
+            {
+                proc.WaitForExit();
 
-            if (proc.ExitCode != 0)
+                if (proc.ExitCode != 0)
-                App.RaiseException("", $"Failed to open \"{file}\"");
+                    App.RaiseException("", $"Failed to open \"{file}\"");
 
-            proc.Close();
+                proc.Close();
+            }
         }
 
         private string FindExecutable(string filename)
@@ -177,7 +180,7 @@ namespace SourceGit.Native
             return File.Exists(path) ? path : FindExecutable("fleet");
         }
 
-        private string _xdgOpenPath = string.Empty;
+        private string _xdgOpenPath = null;
         private Terminal _terminal = null;
     }
 }

src/Native/MacOS.cs

@@ -78,7 +78,10 @@ namespace SourceGit.Native
             File.WriteAllText(tmp, builder.ToString());
 
             var proc = Process.Start("osascript", $"\"{tmp}\"");
-            proc.Exited += (o, e) => File.Delete(tmp);
+            if (proc != null)
+                proc.Exited += (_, _) => File.Delete(tmp);
+            else
+                File.Delete(tmp);
         }
 
         public void OpenWithDefaultEditor(string file)

src/Native/OS.cs

@@ -48,20 +48,16 @@ namespace SourceGit.Native
         public static Models.Shell GetShell()
         {
             if (OperatingSystem.IsWindows())
-            {
+                return (_backend as Windows)!.Shell;
-                return (_backend as Windows).Shell;
+
-            }
+            return Models.Shell.Default;
-            else
-            {
-                return Models.Shell.Default;
-            }
         }
 
         public static bool SetShell(Models.Shell shell)
         {
             if (OperatingSystem.IsWindows())
             {
-                var windows = _backend as Windows;
+                var windows = (_backend as Windows)!;
                 if (windows.Shell != shell)
                 {
                     windows.Shell = shell;

src/Native/Windows.cs

@@ -73,8 +73,8 @@ namespace SourceGit.Native
             v.dwOSVersionInfoSize = (uint)Marshal.SizeOf<RTL_OSVERSIONINFOEX>();
             if (RtlGetVersion(ref v) == 0 && (v.dwMajorVersion < 10 || v.dwBuildNumber < 22000))
             {
-                Window.WindowStateProperty.Changed.AddClassHandler<Window>((w, e) => ExtendWindowFrame(w));
+                Window.WindowStateProperty.Changed.AddClassHandler<Window>((w, _) => ExtendWindowFrame(w));
-                Window.LoadedEvent.AddClassHandler<Window>((w, e) => ExtendWindowFrame(w));
+                Control.LoadedEvent.AddClassHandler<Window>((w, _) => ExtendWindowFrame(w));
             }
         }
 
@@ -85,9 +85,9 @@ namespace SourceGit.Native
                 Microsoft.Win32.RegistryView.Registry64);
 
             var git = reg.OpenSubKey("SOFTWARE\\GitForWindows");
-            if (git != null)
+            if (git != null && git.GetValue("InstallPath") is string installPath)
             {
-                return Path.Combine(git.GetValue("InstallPath") as string, "bin", "git.exe");
+                return Path.Combine(installPath, "bin", "git.exe");
             }
 
             var builder = new StringBuilder("git.exe", 259);
@@ -137,7 +137,13 @@ namespace SourceGit.Native
             switch (Shell)
             {
                 case Models.Shell.Default:
-                    var binDir = Path.GetDirectoryName(OS.GitExecutable);
+                    if (string.IsNullOrEmpty(OS.GitExecutable))
+                    {
+                        App.RaiseException(workdir, $"Can NOT found bash.exe");
+                        return;
+                    }
+
+                    var binDir = Path.GetDirectoryName(OS.GitExecutable)!;
                     var bash = Path.Combine(binDir, "bash.exe");
                     if (!File.Exists(bash))
                     {
@@ -175,28 +181,23 @@ namespace SourceGit.Native
 
         public void OpenInFileManager(string path, bool select)
         {
-            var fullpath = string.Empty;
+            string fullpath;
             if (File.Exists(path))
             {
                 fullpath = new FileInfo(path).FullName;
-
-                // For security reason, we never execute a file.
-                // Instead, we open the folder and select it.
                 select = true;
             }
             else
             {
-                fullpath = new DirectoryInfo(path).FullName;
+                fullpath = new DirectoryInfo(path!).FullName;
             }
 
             if (select)
             {
-                // The fullpath here may be a file or a folder.
                 OpenFolderAndSelectFile(fullpath);
             }
             else
             {
-                // The fullpath here is always a folder.
                 Process.Start(new ProcessStartInfo(fullpath)
                 {
                     UseShellExecute = true,
@@ -362,7 +363,7 @@ namespace SourceGit.Native
             if (sublime != null)
             {
                 var icon = sublime.GetValue("DisplayIcon") as string;
-                return Path.Combine(Path.GetDirectoryName(icon), "subl.exe");
+                return Path.Combine(Path.GetDirectoryName(icon)!, "subl.exe");
             }
 
             // Sublime Text 3
@@ -370,7 +371,7 @@ namespace SourceGit.Native
             if (sublime3 != null)
             {
                 var icon = sublime3.GetValue("DisplayIcon") as string;
-                return Path.Combine(Path.GetDirectoryName(icon), "subl.exe");
+                return Path.Combine(Path.GetDirectoryName(icon)!, "subl.exe");
             }
 
             return string.Empty;

src/Resources/Icons.axaml

@@ -50,6 +50,7 @@
   <StreamGeometry x:Key="Icons.Info">M512 0C229 0 0 229 0 512s229 512 512 512 512-229 512-512S795 0 512 0zM512 928c-230 0-416-186-416-416S282 96 512 96s416 186 416 416S742 928 512 928zM538 343c47 0 83-38 83-78 0-32-21-61-62-61-55 0-82 45-82 77C475 320 498 343 538 343zM533 729c-8 0-11-10-3-40l43-166c16-61 11-100-22-100-39 0-131 40-211 108l16 27c25-17 68-35 78-35 8 0 7 10 0 36l-38 158c-23 89 1 110 34 110 33 0 118-30 196-110l-19-25C575 717 543 729 533 729z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Init">M412 66C326 132 271 233 271 347c0 17 1 34 4 50-41-48-98-79-162-83a444 444 0 00-46 196c0 207 142 382 337 439h2c19 0 34 15 34 33 0 11-6 21-14 26l1 14C183 973 0 763 0 511 0 272 166 70 393 7A35 35 0 01414 0c19 0 34 15 34 33a33 33 0 01-36 33zm200 893c86-66 141-168 141-282 0-17-1-34-4-50 41 48 98 79 162 83a444 444 0 0046-196c0-207-142-382-337-439h-2a33 33 0 01-34-33c0-11 6-21 14-26L596 0C841 51 1024 261 1024 513c0 239-166 441-393 504A35 35 0 01610 1024a33 33 0 01-34-33 33 33 0 0136-33zM512 704a192 192 0 110-384 192 192 0 010 384z</StreamGeometry>
   <StreamGeometry x:Key="Icons.InteractiveRebase">M512 64A447 447 0 0064 512c0 248 200 448 448 448s448-200 448-448S760 64 512 64zM218 295h31c54 0 105 19 145 55 13 12 13 31 3 43a35 35 0 01-22 10 36 36 0 01-21-7 155 155 0 00-103-39h-31a32 32 0 01-31-31c0-18 13-31 30-31zm31 433h-31a32 32 0 01-31-31c0-16 13-31 31-31h31A154 154 0 00403 512 217 217 0 01620 295h75l-93-67a33 33 0 01-7-43 33 33 0 0143-7l205 148-205 148a29 29 0 01-18 6 32 32 0 01-31-31c0-10 4-19 13-25l93-67H620a154 154 0 00-154 154c0 122-97 220-217 220zm390 118a29 29 0 01-18 6 32 32 0 01-31-31c0-10 4-19 13-25l93-67h-75c-52 0-103-19-143-54-12-12-13-31-1-43a30 30 0 0142-3 151 151 0 00102 39h75L602 599a33 33 0 01-7-43 33 33 0 0143-7l205 148-203 151z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.Password">M640 96c-158 0-288 130-288 288 0 17 3 31 5 46L105 681 96 691V928h224v-96h96v-96h96v-95c38 18 82 31 128 31 158 0 288-130 288-288s-130-288-288-288zm0 64c123 0 224 101 224 224s-101 224-224 224a235 235 0 01-109-28l-8-4H448v96h-96v96H256v96H160v-146l253-254 12-11-3-17C419 417 416 400 416 384c0-123 101-224 224-224zm64 96a64 64 0 100 128 64 64 0 100-128z</StreamGeometry>
   <StreamGeometry x:Key="Icons.LayoutHorizontal">M875 117H149C109 117 75 151 75 192v640c0 41 34 75 75 75h725c41 0 75-34 75-75V192c0-41-34-75-75-75zM139 832V192c0-6 4-11 11-11h331v661H149c-6 0-11-4-11-11zm747 0c0 6-4 11-11 11H544v-661H875c6 0 11 4 11 11v640z</StreamGeometry>
   <StreamGeometry x:Key="Icons.LayoutVertical">M875 117H149C109 117 75 151 75 192v640c0 41 34 75 75 75h725c41 0 75-34 75-75V192c0-41-34-75-75-75zm-725 64h725c6 0 11 4 11 11v288h-747V192c0-6 4-11 11-11zm725 661H149c-6 0-11-4-11-11V544h747V832c0 6-4 11-11 11z</StreamGeometry>
   <StreamGeometry x:Key="Icons.LFS">M40 9 15 23 15 31 9 28 9 20 34 5 24 0 0 14 0 34 25 48 25 28 49 14zM26 29 26 48 49 34 49 15z</StreamGeometry>
@@ -59,7 +60,7 @@
   <StreamGeometry x:Key="Icons.Loading">M512 0C233 0 7 223 0 500C6 258 190 64 416 64c230 0 416 200 416 448c0 53 43 96 96 96s96-43 96-96c0-283-229-512-512-512zm0 1023c279 0 505-223 512-500c-6 242-190 436-416 436c-230 0-416-200-416-448c0-53-43-96-96-96s-96 43-96 96c0 283 229 512 512 512z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Local">M976 0h-928A48 48 0 000 48v652a48 48 0 0048 48h416V928H200a48 48 0 000 96h624a48 48 0 000-96H560v-180h416a48 48 0 0048-48V48A48 48 0 00976 0zM928 652H96V96h832v556z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Lock">M832 464h-68V240a128 128 0 00-128-128h-248a128 128 0 00-128 128v224H192c-18 0-32 14-32 32v384c0 18 14 32 32 32h640c18 0 32-14 32-32v-384c0-18-14-32-32-32zm-292 237v53a8 8 0 01-8 8h-40a8 8 0 01-8-8v-53a48 48 0 1156 0zm152-237H332V240a56 56 0 0156-56h248a56 56 0 0156 56v224z</StreamGeometry>
-  <StreamGeometry x:Key="Icons.MacOS.Close">M851 755q0 23-16 39l-78 78q-16 16-39 16t-39-16l-168-168-168 168q-16 16-39 16t-39-16l-78-78q-16-16-16-39t16-39l168-168-168-168q-16-16-16-39t16-39l78-78q16-16 39-16t39 16l168 168 168-168q16-16 39-16t39 16l78 78q16 16 16 39t-16 39l-168 168 168 168q16 16 16 39z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.MacOS.Close">M887 774 625 511l263-260c11-11 11-28 0-39l-75-75c-5-5-12-8-20-8-7 0-14 3-20 8L512 396 250 137c-5-5-12-8-20-8-7 0-14 3-20 8L136 212c-11 11-11 28 0 39l263 260L137 774c-5 5-8 12-8 20 0 7 3 14 8 20l75 75c5 5 12 8 20 8 7 0 14-3 20-8L512 626l261 262c5 5 12 8 20 8 7 0 14-3 20-8l75-75c5-5 8-12 8-20C895 786 892 779 887 774z</StreamGeometry>
   <StreamGeometry x:Key="Icons.MacOS.Minimize">M1024 750v110c0 50-41 91-91 91h-841A92 92 0 010 859v-110C0 699 41 658 91 658h841c50 0 91 41 91 91z</StreamGeometry>
   <StreamGeometry x:Key="Icons.MacOS.Maximize">M0 4 0 20 16 20 0 4M4 0 20 0 20 16 4 0z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Menu">M192 192m-64 0a64 64 0 1 0 128 0 64 64 0 1 0-128 0ZM192 512m-64 0a64 64 0 1 0 128 0 64 64 0 1 0-128 0ZM192 832m-64 0a64 64 0 1 0 128 0 64 64 0 1 0-128 0ZM864 160H352c-17.7 0-32 14.3-32 32s14.3 32 32 32h512c17.7 0 32-14.3 32-32s-14.3-32-32-32zM864 480H352c-17.7 0-32 14.3-32 32s14.3 32 32 32h512c17.7 0 32-14.3 32-32s-14.3-32-32-32zM864 800H352c-17.7 0-32 14.3-32 32s14.3 32 32 32h512c17.7 0 32-14.3 32-32s-14.3-32-32-32z</StreamGeometry>

src/Resources/Locales/en_US.axaml

@@ -36,6 +36,7 @@
   <x:String x:Key="Text.Archive.File.Placeholder" xml:space="preserve">Select archive file path</x:String>
   <x:String x:Key="Text.Archive.Revision" xml:space="preserve">Revision:</x:String>
   <x:String x:Key="Text.Archive.Title" xml:space="preserve">Archive</x:String>
+  <x:String x:Key="Text.Askpass" xml:space="preserve">SourceGit Askpass</x:String>
   <x:String x:Key="Text.AssumeUnchanged" xml:space="preserve">FILES ASSUME UNCHANGED</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Empty" xml:space="preserve">NO FILES ASSUMED AS UNCHANGED</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Remove" xml:space="preserve">REMOVE</x:String>
@@ -90,6 +91,7 @@
   <x:String x:Key="Text.Clone.ParentFolder" xml:space="preserve">Parent Folder:</x:String>
   <x:String x:Key="Text.Clone.RemoteURL" xml:space="preserve">Repository URL:</x:String>
   <x:String x:Key="Text.Close" xml:space="preserve">CLOSE</x:String>
+  <x:String x:Key="Text.CodeEditor" xml:space="preserve">Editor</x:String>
   <x:String x:Key="Text.CommitCM.CherryPick" xml:space="preserve">Cherry-Pick This Commit</x:String>
   <x:String x:Key="Text.CommitCM.Checkout" xml:space="preserve">Checkout Commit</x:String>
   <x:String x:Key="Text.CommitCM.CompareWithHead" xml:space="preserve">Compare with HEAD</x:String>
@@ -275,6 +277,10 @@
   <x:String x:Key="Text.Histories" xml:space="preserve">Histories</x:String>
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">Switch Horizontal/Vertical Layout</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">Switch Curve/Polyline Graph Mode</x:String>
+  <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">AUTHOR</x:String>
+  <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">GRAPH &amp; SUBJECT</x:String>
+  <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">SHA</x:String>
+  <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">COMMIT TIME</x:String>
   <x:String x:Key="Text.Histories.Search" xml:space="preserve">SEARCH SHA/SUBJECT/AUTHOR. PRESS ENTER TO SEARCH, ESC TO QUIT</x:String>
   <x:String x:Key="Text.Histories.SearchClear" xml:space="preserve">CLEAR</x:String>
   <x:String x:Key="Text.Histories.Selected" xml:space="preserve">SELECTED {0} COMMITS</x:String>
@@ -337,11 +343,11 @@
   <x:String x:Key="Text.Paste" xml:space="preserve">Paste</x:String>
   <x:String x:Key="Text.Preference" xml:space="preserve">Preference</x:String>
   <x:String x:Key="Text.Preference.Appearance" xml:space="preserve">APPEARANCE</x:String>
-  <x:String x:Key="Text.Preference.Appearance.ColorOverrides" xml:space="preserve">Custom Color Schema</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFont" xml:space="preserve">Default Font</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFontSize" xml:space="preserve">Default Font Size</x:String>
   <x:String x:Key="Text.Preference.Appearance.MonospaceFont" xml:space="preserve">Monospace Font</x:String>
   <x:String x:Key="Text.Preference.Appearance.Theme" xml:space="preserve">Theme</x:String>
+  <x:String x:Key="Text.Preference.Appearance.ThemeOverrides" xml:space="preserve">Theme Overrides</x:String>
   <x:String x:Key="Text.Preference.General" xml:space="preserve">GENERAL</x:String>
   <x:String x:Key="Text.Preference.General.AvatarServer" xml:space="preserve">Avatar Server</x:String>
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">Check for updates on startup</x:String>
@@ -449,8 +455,10 @@
   <x:String x:Key="Text.Repository.Resolve" xml:space="preserve">RESOLVE</x:String>
   <x:String x:Key="Text.Repository.Search" xml:space="preserve">Search Commit</x:String>
   <x:String x:Key="Text.Repository.Search.By" xml:space="preserve">Search By</x:String>
-  <x:String x:Key="Text.Repository.Search.ByBaseInfo" xml:space="preserve">Information</x:String>
   <x:String x:Key="Text.Repository.Search.ByFile" xml:space="preserve">File</x:String>
+  <x:String x:Key="Text.Repository.Search.ByMessage" xml:space="preserve">Message</x:String>
+  <x:String x:Key="Text.Repository.Search.BySHA" xml:space="preserve">SHA</x:String>
+  <x:String x:Key="Text.Repository.Search.ByUser" xml:space="preserve">Author &amp; Committer</x:String>
   <x:String x:Key="Text.Repository.SearchBranchTag" xml:space="preserve">Search Branches &amp; Tags</x:String>
   <x:String x:Key="Text.Repository.Statistics" xml:space="preserve">Statistics</x:String>
   <x:String x:Key="Text.Repository.Submodules" xml:space="preserve">SUBMODULES</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -39,6 +39,7 @@
   <x:String x:Key="Text.Archive.File.Placeholder" xml:space="preserve">选择存档文件的存放路径</x:String>
   <x:String x:Key="Text.Archive.Revision" xml:space="preserve">指定的提交：</x:String>
   <x:String x:Key="Text.Archive.Title" xml:space="preserve">存档</x:String>
+  <x:String x:Key="Text.Askpass" xml:space="preserve">SourceGit Askpass</x:String>
   <x:String x:Key="Text.AssumeUnchanged" xml:space="preserve">不跟踪更改的文件</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Empty" xml:space="preserve">没有不跟踪更改的文件</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Remove" xml:space="preserve">移除</x:String>
@@ -93,6 +94,7 @@
   <x:String x:Key="Text.Clone.ParentFolder" xml:space="preserve">父级目录 ：</x:String>
   <x:String x:Key="Text.Clone.RemoteURL" xml:space="preserve">远程仓库 ：</x:String>
   <x:String x:Key="Text.Close" xml:space="preserve">关闭</x:String>
+  <x:String x:Key="Text.CodeEditor" xml:space="preserve">提交信息编辑器</x:String>
   <x:String x:Key="Text.CommitCM.CherryPick" xml:space="preserve">挑选(cherry-pick)此提交</x:String>
   <x:String x:Key="Text.CommitCM.Checkout" xml:space="preserve">检出此提交</x:String>
   <x:String x:Key="Text.CommitCM.CompareWithHead" xml:space="preserve">与当前HEAD比较</x:String>
@@ -278,6 +280,10 @@
   <x:String x:Key="Text.Histories" xml:space="preserve">历史记录</x:String>
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">切换横向/纵向显示</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">切换曲线/折线显示</x:String>
+  <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">作者</x:String>
+  <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">路线图与主题</x:String>
+  <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">提交指纹</x:String>
+  <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">提交时间</x:String>
   <x:String x:Key="Text.Histories.Search" xml:space="preserve">查询提交指纹、信息、作者。回车键开始，ESC键取消</x:String>
   <x:String x:Key="Text.Histories.SearchClear" xml:space="preserve">清空</x:String>
   <x:String x:Key="Text.Histories.Selected" xml:space="preserve">已选中 {0} 项提交</x:String>
@@ -340,11 +346,11 @@
   <x:String x:Key="Text.Paste" xml:space="preserve">粘贴</x:String>
   <x:String x:Key="Text.Preference" xml:space="preserve">偏好设置</x:String>
   <x:String x:Key="Text.Preference.Appearance" xml:space="preserve">外观配置</x:String>
-  <x:String x:Key="Text.Preference.Appearance.ColorOverrides" xml:space="preserve">自定义配色文件</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFont" xml:space="preserve">缺省字体</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFontSize" xml:space="preserve">默认字体大小</x:String>
   <x:String x:Key="Text.Preference.Appearance.MonospaceFont" xml:space="preserve">等宽字体</x:String>
   <x:String x:Key="Text.Preference.Appearance.Theme" xml:space="preserve">主题</x:String>
+  <x:String x:Key="Text.Preference.Appearance.ThemeOverrides" xml:space="preserve">主题自定义</x:String>
   <x:String x:Key="Text.Preference.General" xml:space="preserve">通用配置</x:String>
   <x:String x:Key="Text.Preference.General.AvatarServer" xml:space="preserve">头像服务</x:String>
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">启动时检测软件更新</x:String>
@@ -451,8 +457,10 @@
   <x:String x:Key="Text.Repository.Resolve" xml:space="preserve">解决冲突</x:String>
   <x:String x:Key="Text.Repository.Search" xml:space="preserve">查找提交</x:String>
   <x:String x:Key="Text.Repository.Search.By" xml:space="preserve">搜索途径</x:String>
-  <x:String x:Key="Text.Repository.Search.ByBaseInfo" xml:space="preserve">摘要</x:String>
   <x:String x:Key="Text.Repository.Search.ByFile" xml:space="preserve">文件</x:String>
+  <x:String x:Key="Text.Repository.Search.ByMessage" xml:space="preserve">提交信息</x:String>
+  <x:String x:Key="Text.Repository.Search.BySHA" xml:space="preserve">提交指纹</x:String>
+  <x:String x:Key="Text.Repository.Search.ByUser" xml:space="preserve">作者及提交者</x:String>
   <x:String x:Key="Text.Repository.SearchBranchTag" xml:space="preserve">快速查找分支、标签</x:String>
   <x:String x:Key="Text.Repository.Statistics" xml:space="preserve">提交统计</x:String>
   <x:String x:Key="Text.Repository.Submodules" xml:space="preserve">子模块列表</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -39,6 +39,7 @@
   <x:String x:Key="Text.Archive.File.Placeholder" xml:space="preserve">選擇存檔檔案的存放路徑</x:String>
   <x:String x:Key="Text.Archive.Revision" xml:space="preserve">指定的提交：</x:String>
   <x:String x:Key="Text.Archive.Title" xml:space="preserve">存檔</x:String>
+  <x:String x:Key="Text.Askpass" xml:space="preserve">SourceGit Askpass</x:String>
   <x:String x:Key="Text.AssumeUnchanged" xml:space="preserve">不跟蹤更改的檔案</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Empty" xml:space="preserve">沒有不跟蹤更改的檔案</x:String>
   <x:String x:Key="Text.AssumeUnchanged.Remove" xml:space="preserve">移除</x:String>
@@ -93,6 +94,7 @@
   <x:String x:Key="Text.Clone.ParentFolder" xml:space="preserve">父級目錄 ：</x:String>
   <x:String x:Key="Text.Clone.RemoteURL" xml:space="preserve">遠端倉庫 ：</x:String>
   <x:String x:Key="Text.Close" xml:space="preserve">關閉</x:String>
+  <x:String x:Key="Text.CodeEditor" xml:space="preserve">提交資訊編輯器</x:String>
   <x:String x:Key="Text.CommitCM.CherryPick" xml:space="preserve">挑選(cherry-pick)此提交</x:String>
   <x:String x:Key="Text.CommitCM.Checkout" xml:space="preserve">檢出此提交</x:String>
   <x:String x:Key="Text.CommitCM.CompareWithHead" xml:space="preserve">與當前HEAD比較</x:String>
@@ -278,6 +280,10 @@
   <x:String x:Key="Text.Histories" xml:space="preserve">歷史記錄</x:String>
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">切換橫向/縱向顯示</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">切換曲線/折線顯示</x:String>
+  <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">作者</x:String>
+  <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">路線圖與主題</x:String>
+  <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">提交指紋</x:String>
+  <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">提交時間</x:String>
   <x:String x:Key="Text.Histories.Search" xml:space="preserve">查詢提交指紋、資訊、作者。回車鍵開始，ESC鍵取消</x:String>
   <x:String x:Key="Text.Histories.SearchClear" xml:space="preserve">清空</x:String>
   <x:String x:Key="Text.Histories.Selected" xml:space="preserve">已選中 {0} 項提交</x:String>
@@ -340,11 +346,11 @@
   <x:String x:Key="Text.Paste" xml:space="preserve">貼上</x:String>
   <x:String x:Key="Text.Preference" xml:space="preserve">偏好設定</x:String>
   <x:String x:Key="Text.Preference.Appearance" xml:space="preserve">外觀配置</x:String>
-  <x:String x:Key="Text.Preference.Appearance.ColorOverrides" xml:space="preserve">自訂配色檔</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFont" xml:space="preserve">預設字型</x:String>
   <x:String x:Key="Text.Preference.Appearance.DefaultFontSize" xml:space="preserve">預設字型大小</x:String>
   <x:String x:Key="Text.Preference.Appearance.MonospaceFont" xml:space="preserve">等寬字型</x:String>
   <x:String x:Key="Text.Preference.Appearance.Theme" xml:space="preserve">主題</x:String>
+  <x:String x:Key="Text.Preference.Appearance.ThemeOverrides" xml:space="preserve">主題自訂</x:String>
   <x:String x:Key="Text.Preference.General" xml:space="preserve">通用配置</x:String>
   <x:String x:Key="Text.Preference.General.AvatarServer" xml:space="preserve">頭像服務</x:String>
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">啟動時檢測軟體更新</x:String>
@@ -451,8 +457,10 @@
   <x:String x:Key="Text.Repository.Resolve" xml:space="preserve">解決衝突</x:String>
   <x:String x:Key="Text.Repository.Search" xml:space="preserve">查詢提交</x:String>
   <x:String x:Key="Text.Repository.Search.By" xml:space="preserve">查詢方式</x:String>
-  <x:String x:Key="Text.Repository.Search.ByBaseInfo" xml:space="preserve">摘要</x:String>
   <x:String x:Key="Text.Repository.Search.ByFile" xml:space="preserve">檔案</x:String>
+  <x:String x:Key="Text.Repository.Search.ByMessage" xml:space="preserve">提交資訊</x:String>
+  <x:String x:Key="Text.Repository.Search.BySHA" xml:space="preserve">提交指紋</x:String>
+  <x:String x:Key="Text.Repository.Search.ByUser" xml:space="preserve">作者及提交者</x:String>
   <x:String x:Key="Text.Repository.SearchBranchTag" xml:space="preserve">快速查找分支、標籤</x:String>
   <x:String x:Key="Text.Repository.Statistics" xml:space="preserve">提交統計</x:String>
   <x:String x:Key="Text.Repository.Submodules" xml:space="preserve">子模組列表</x:String>

src/Resources/Styles.axaml

@@ -169,6 +169,9 @@
     <Setter Property="MaxWidth" Value="1024"/>
     <Setter Property="MaxHeight" Value="768"/>
   </Style>
+  
+  <Style Selector="Grid.repository_leftpanel">
+  </Style>
 
   <Style Selector="Path">
     <Setter Property="Fill" Value="{DynamicResource Brush.FG1}"/>
@@ -178,6 +181,7 @@
   </Style>
   <Style Selector="Path[IsVisible=True].rotating">
     <Setter Property="Opacity" Value="0"/>
+    <Setter Property="Data" Value="{StaticResource Icons.Loading}"/>
     <Style.Animations>
       <Animation Duration="0:0:1" IterationCount="Infinite">
         <KeyFrame Cue="0%">
@@ -193,6 +197,7 @@
   </Style>
   <Style Selector="Path[IsVisible=True].waiting">
     <Setter Property="Opacity" Value="0"/>
+    <Setter Property="Data" Value="{StaticResource Icons.Waiting}"/>
     <Style.Animations>
       <Animation Duration="0:0:1" IterationCount="Infinite">
         <KeyFrame Cue="0%">
@@ -240,6 +245,11 @@
     <Setter Property="FontWeight" Value="Bold"/>
     <Setter Property="Margin" Value="10,0,0,0"/>
   </Style>
+  <Style Selector="TextBlock.table_header">
+    <Setter Property="Foreground" Value="{DynamicResource Brush.FG1}"/>
+    <Setter Property="Opacity" Value=".65"/>
+    <Setter Property="FontWeight" Value="Bold"/>
+  </Style>
   <Style Selector="TextBlock.info_label">
     <Setter Property="Foreground" Value="{DynamicResource Brush.FG2}"/>
     <Setter Property="FontWeight" Value="Bold"/>
@@ -792,7 +802,6 @@
                           CornerRadius="{DynamicResource OverlayCornerRadius}">
                     <ScrollViewer Theme="{StaticResource FluentMenuScrollViewer}">
                       <ItemsPresenter Name="PART_ItemsPresenter"
-                                      ItemsPanel="{TemplateBinding ItemsPanel}"
                                       Margin="{DynamicResource MenuFlyoutScrollerMargin}"
                                       Grid.IsSharedSizeScope="True">
                         <ItemsPresenter.ItemsPanel>
@@ -998,7 +1007,7 @@
     <Setter Property="VerticalAlignment" Value="Stretch"/>
     <Setter Property="Template">
       <ControlTemplate>
-        <Grid ColumnDefinitions="Auto,*">
+        <Grid ColumnDefinitions="Auto,*" Background="Transparent">
           <Path Grid.Column="0"
                 x:Name="PART_IndicatorIcon"
                 Width="10"
@@ -1045,8 +1054,7 @@
     <Setter Property="VerticalAlignment" Value="Stretch"/>
     <Setter Property="Template">
       <ControlTemplate>
-        <Path Grid.Column="0"
+        <Path x:Name="PART_IndicatorIcon"
-              x:Name="PART_IndicatorIcon"
               Width="12"
               Data="{StaticResource Icons.Filter}"
               Fill="Transparent"
@@ -1067,14 +1075,15 @@
   </Style>
   <Style Selector="ToggleButton.tree_expander">
     <Setter Property="Margin" Value="0" />
-    <Setter Property="Width" Value="8" />
+    <Setter Property="Width" Value="10" />
-    <Setter Property="Height" Value="8" />
+    <Setter Property="Height" Value="10" />
+    <Setter Property="Background" Value="Transparent"/>
     <Setter Property="Template">
       <ControlTemplate>
         <Border Background="Transparent"
                 Width="{TemplateBinding Width}"
                 Height="{TemplateBinding Height}"
-                HorizontalAlignment="Center"
+                HorizontalAlignment="Left"
                 VerticalAlignment="Center">
           <Path x:Name="ChevronPath"
                 Data="M 4 0 L 8 4 L 4 8 Z"
@@ -1089,6 +1098,32 @@
       <Setter Property="Data" Value="M 0 4 L 8 4 L 4 8 Z" />
     </Style>
   </Style>
+  
+  <Style Selector="ToggleButton.folder">
+    <Setter Property="Margin" Value="0" />
+    <Setter Property="Background" Value="Transparent"/>
+    <Setter Property="IsHitTestVisible" Value="False"/>
+    <Setter Property="Template">
+      <ControlTemplate>
+        <Border Background="Transparent"
+                Width="{TemplateBinding Width}"
+                Height="{TemplateBinding Height}"
+                HorizontalAlignment="Left"
+                VerticalAlignment="Center">
+          <Path x:Name="ChevronPath"
+                Data="{StaticResource Icons.Folder.Fill}"
+                Fill="{TemplateBinding Foreground}"
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"/>
+        </Border>
+      </ControlTemplate>
+    </Setter>
+
+    <Style Selector="^:checked /template/ Path#ChevronPath">
+      <Setter Property="Data" Value="{StaticResource Icons.Folder.Open}" />
+    </Style>
+  </Style>
+  
   <Style Selector="ToggleButton.layout_direction">
     <Setter Property="Margin" Value="0"/>
     <Setter Property="Padding" Value="0"/>
@@ -1098,8 +1133,7 @@
     <Setter Property="Template">
       <ControlTemplate>
         <Border Background="Transparent">
-          <Path Grid.Column="0"
+          <Path x:Name="PART_IndicatorIcon"
-                x:Name="PART_IndicatorIcon"
                 Width="14" Height="14"
                 Stretch="Uniform"
                 Data="{StaticResource Icons.LayoutVertical}"
@@ -1142,8 +1176,7 @@
     <Setter Property="Template">
       <ControlTemplate>
         <Border Background="Transparent">
-          <Path Grid.Column="0"
+          <Path x:Name="PART_IndicatorIcon"
-                x:Name="PART_IndicatorIcon"
                 Margin="{TemplateBinding Padding}"
                 Stretch="Fill"
                 Width="14" Height="10"
@@ -1163,6 +1196,17 @@
   <Style Selector="ToggleButton.toggle_untracked:pointerover /template/ Path#PART_IndicatorIcon">
     <Setter Property="Opacity" Value="1"/>
   </Style>
+  
+  <Style Selector="Slider">
+    <Style.Resources>
+      <Thickness x:Key="SliderTopHeaderMargin">0,0,0,4</Thickness>
+      <GridLength x:Key="SliderPreContentMargin">0</GridLength>
+      <GridLength x:Key="SliderPostContentMargin">0</GridLength>
+      <CornerRadius x:Key="SliderThumbCornerRadius">8</CornerRadius>
+      <x:Double x:Key="SliderHorizontalThumbWidth">16</x:Double>
+      <x:Double x:Key="SliderHorizontalThumbHeight">16</x:Double>
+    </Style.Resources>
+  </Style>
 
   <Style Selector="TabItem">
     <Setter Property="FontSize" Value="14"/>
@@ -1223,8 +1267,7 @@
                                 Classes="tree_expander"
                                 Focusable="False"
                                 HorizontalAlignment="Center"
-                                IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}"
+                                IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}"/>
-                                IsHitTestVisible="False" />
                 </Panel>
                 <ContentPresenter Name="PART_HeaderPresenter"
                                   Grid.Column="1"
@@ -1264,73 +1307,6 @@
       <Setter Property="Opacity" Value=".65"/>
     </Style>
   </Style>
-  <Style Selector="TreeViewItem[IsExpanded=True] Path.folder_icon">
-    <Setter Property="Data" Value="{StaticResource Icons.Folder.Open}"/>
-  </Style>
-  <Style Selector="TreeViewItem[IsExpanded=False] Path.folder_icon">
-    <Setter Property="Data" Value="{StaticResource Icons.Folder.Fill}"/>
-  </Style>
-
-  <Style Selector="TreeDataGrid">
-    <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
-    <Setter Property="Template">
-      <ControlTemplate>
-        <Border x:Name="RootBorder"
-                Background="{TemplateBinding Background}"
-                BorderBrush="{TemplateBinding BorderBrush}"
-                BorderThickness="{TemplateBinding BorderThickness}"
-                CornerRadius="{TemplateBinding CornerRadius}">
-          <DockPanel>
-            <ScrollViewer Name="PART_HeaderScrollViewer"
-                          DockPanel.Dock="Top"
-                          IsVisible="{TemplateBinding ShowColumnHeaders}"
-                          HorizontalScrollBarVisibility="Hidden"
-                          VerticalScrollBarVisibility="Disabled"
-                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}">
-              <Border x:Name="ColumnHeadersPresenterBorder">
-                <TreeDataGridColumnHeadersPresenter Name="PART_ColumnHeadersPresenter"
-                                                    ElementFactory="{TemplateBinding ElementFactory}"
-                                                    Items="{TemplateBinding Columns}" />
-              </Border>
-            </ScrollViewer>
-            <ScrollViewer Name="PART_ScrollViewer"
-                          HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
-                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}">
-              <TreeDataGridRowsPresenter Name="PART_RowsPresenter"
-                                         Columns="{TemplateBinding Columns}"
-                                         ElementFactory="{TemplateBinding ElementFactory}"
-                                         Items="{TemplateBinding Rows}" />
-            </ScrollViewer>
-          </DockPanel>
-        </Border>
-      </ControlTemplate>
-    </Setter>
-
-    <Style Selector="^/template/ Border#ColumnHeadersPresenterBorder">
-      <Setter Property="BorderThickness" Value="0 0 0 1" />
-      <Setter Property="BorderBrush" Value="{DynamicResource TreeDataGridGridLinesBrush}" />
-    </Style>
-  </Style>
-
-  <Style Selector="TreeDataGridRow">
-    <Style.Resources>
-      <SolidColorBrush x:Key="TreeDataGridSelectedCellBackgroundBrush" Color="{DynamicResource SystemAccentColor}" Opacity="0.4" />
-    </Style.Resources>
-    <Setter Property="Background" Value="Transparent"/>
-  </Style>
-  
-  <Style Selector="TreeDataGridColumnHeader">
-    <Setter Property="HorizontalContentAlignment" Value="Center"/>
-  </Style>
-  <Style Selector="TreeDataGridTextCell TextBlock">
-    <Setter Property="FontFamily" Value="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}"/>
-  </Style>
-  <Style Selector="TreeDataGridExpanderCell[IsExpanded=True] Path.folder_icon">
-    <Setter Property="Data" Value="{StaticResource Icons.Folder.Open}"/>
-  </Style>
-  <Style Selector="TreeDataGridExpanderCell[IsExpanded=False] Path.folder_icon">
-    <Setter Property="Data" Value="{StaticResource Icons.Folder.Fill}"/>
-  </Style>
 
   <Style Selector="NumericUpDown">
     <Style Selector="^ /template/ ButtonSpinner#PART_Spinner">

src/SourceGit.csproj

@@ -33,7 +33,6 @@
     <PackageReference Include="Avalonia.Desktop" Version="11.0.10" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.10" />
     <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.0.10" />
-    <PackageReference Include="Avalonia.Controls.TreeDataGrid" Version="11.0.10" />
     <PackageReference Include="Avalonia.AvaloniaEdit" Version="11.0.6" />
     <PackageReference Include="Avalonia.Diagnostics" Version="11.0.10" Condition="'$(Configuration)' == 'Debug'" />
     <PackageReference Include="AvaloniaEdit.TextMate" Version="11.0.6" />

src/ViewModels/AddWorktree.cs

@@ -88,6 +88,9 @@ namespace SourceGit.ViewModels
             if (creator == null)
                 return new ValidationResult("Missing runtime context to create branch!");
 
+            if (string.IsNullOrEmpty(path))
+                return new ValidationResult("Worktree path is required!");
+
             var fullPath = System.IO.Path.IsPathRooted(path) ? path : System.IO.Path.Combine(creator._repo.FullPath, path);
             var info = new DirectoryInfo(fullPath);
             if (info.Exists)

src/ViewModels/Archive.cs

@@ -6,7 +6,6 @@ namespace SourceGit.ViewModels
 {
     public class Archive : Popup
     {
-
         [Required(ErrorMessage = "Output file name is required")]
         public string SaveFile
         {
@@ -67,7 +66,7 @@ namespace SourceGit.ViewModels
         }
 
         private readonly Repository _repo = null;
-        private string _saveFile = string.Empty;
+        private string _saveFile;
-        private readonly string _revision = string.Empty;
+        private readonly string _revision;
     }
 }

src/ViewModels/Blame.cs

@@ -14,12 +14,6 @@ namespace SourceGit.ViewModels
             private set;
         }
 
-        public string SelectedSHA
-        {
-            get => _selectedSHA;
-            private set => SetProperty(ref _selectedSHA, value);
-        }
-
         public bool IsBinary
         {
             get => _data != null && _data.IsBinary;
@@ -53,8 +47,7 @@ namespace SourceGit.ViewModels
             repo?.NavigateToCommit(commitSHA);
         }
 
-        private readonly string _repo = string.Empty;
+        private readonly string _repo;
-        private string _selectedSHA = string.Empty;
         private Models.BlameData _data = null;
     }
 }

src/ViewModels/BranchCompare.cs

@@ -201,7 +201,7 @@ namespace SourceGit.ViewModels
             }
         }
 
-        private string _repo = string.Empty;
+        private string _repo;
         private Models.Commit _baseHead = null;
         private Models.Commit _toHead = null;
         private List<Models.Change> _changes = null;

src/ViewModels/BranchTreeNode.cs

@@ -18,19 +18,19 @@ namespace SourceGit.ViewModels
         public bool IsFiltered { get; set; } = false;
         public bool IsSelected { get; set; } = false;
         public List<BranchTreeNode> Children { get; private set; } = new List<BranchTreeNode>();
-        
+
         public bool IsExpanded
         {
             get => _isExpanded;
             set => SetProperty(ref _isExpanded, value);
         }
-        
+
         public CornerRadius CornerRadius
         {
             get => _cornerRadius;
             set => SetProperty(ref _cornerRadius, value);
         }
-        
+
         public bool IsBranch
         {
             get => Backend is Models.Branch;
@@ -55,7 +55,7 @@ namespace SourceGit.ViewModels
         {
             get => Backend is Models.Branch b ? b.FriendlyName : null;
         }
-        
+
         private bool _isExpanded = false;
         private CornerRadius _cornerRadius = new CornerRadius(4);
 
@@ -118,11 +118,11 @@ namespace SourceGit.ViewModels
                 {
                     if (node.Backend is Models.Branch)
                         continue;
-                    
+
                     var path = prefix + "/" + node.Name;
                     if (node.IsExpanded)
                         _expanded.Add(path);
-                    
+
                     CollectExpandedNodes(node.Children, path);
                 }
             }
@@ -197,7 +197,7 @@ namespace SourceGit.ViewModels
 
                     if (l.Backend is Models.Branch)
                         return r.Backend is Models.Branch ? string.Compare(l.Name, r.Name, StringComparison.Ordinal) : 1;
-                    
+
                     return r.Backend is Models.Branch ? -1 : string.Compare(l.Name, r.Name, StringComparison.Ordinal);
                 });
 

src/ViewModels/ChangeCollection.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+
+using Avalonia.Collections;
+
+namespace SourceGit.ViewModels
+{
+    public class ChangeCollectionAsTree
+    {
+        public List<ChangeTreeNode> Tree { get; set; } = new List<ChangeTreeNode>();
+        public AvaloniaList<ChangeTreeNode> Rows { get; set; } = new AvaloniaList<ChangeTreeNode>();
+    }
+
+    public class ChangeCollectionAsGrid
+    {
+        public AvaloniaList<Models.Change> Changes { get; set; } = new AvaloniaList<Models.Change>();
+    }
+
+    public class ChangeCollectionAsList
+    {
+        public AvaloniaList<Models.Change> Changes { get; set; } = new AvaloniaList<Models.Change>();
+    }
+}

src/ViewModels/ChangeTreeNode.cs

@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace SourceGit.ViewModels
+{
+    public class ChangeTreeNode : ObservableObject
+    {
+        public string FullPath { get; set; }
+        public int Depth { get; private set; } = 0;
+        public Models.Change Change { get; set; } = null;
+        public List<ChangeTreeNode> Children { get; set; } = new List<ChangeTreeNode>();
+
+        public bool IsFolder
+        {
+            get => Change == null;
+        }
+
+        public bool IsExpanded
+        {
+            get => _isExpanded;
+            set => SetProperty(ref _isExpanded, value);
+        }
+
+        public ChangeTreeNode(Models.Change c, int depth)
+        {
+            FullPath = c.Path;
+            Depth = depth;
+            Change = c;
+            IsExpanded = false;
+        }
+
+        public ChangeTreeNode(string path, bool isExpanded, int depth)
+        {
+            FullPath = path;
+            Depth = depth;
+            IsExpanded = isExpanded;
+        }
+
+        public static List<ChangeTreeNode> Build(IList<Models.Change> changes, HashSet<string> folded)
+        {
+            var nodes = new List<ChangeTreeNode>();
+            var folders = new Dictionary<string, ChangeTreeNode>();
+
+            foreach (var c in changes)
+            {
+                var sepIdx = c.Path.IndexOf('/', StringComparison.Ordinal);
+                if (sepIdx == -1)
+                {
+                    nodes.Add(new ChangeTreeNode(c, 0));
+                }
+                else
+                {
+                    ChangeTreeNode lastFolder = null;
+                    int depth = 0;
+
+                    while (sepIdx != -1)
+                    {
+                        var folder = c.Path.Substring(0, sepIdx);
+                        if (folders.TryGetValue(folder, out var value))
+                        {
+                            lastFolder = value;
+                        }
+                        else if (lastFolder == null)
+                        {
+                            lastFolder = new ChangeTreeNode(folder, !folded.Contains(folder), depth);
+                            folders.Add(folder, lastFolder);
+                            InsertFolder(nodes, lastFolder);
+                        }
+                        else
+                        {
+                            var cur = new ChangeTreeNode(folder, !folded.Contains(folder), depth);
+                            folders.Add(folder, cur);
+                            InsertFolder(lastFolder.Children, cur);
+                            lastFolder = cur;
+                        }
+
+                        depth++;
+                        sepIdx = c.Path.IndexOf('/', sepIdx + 1);
+                    }
+
+                    lastFolder?.Children.Add(new ChangeTreeNode(c, depth));
+                }
+            }
+
+            Sort(nodes);
+
+            folders.Clear();
+            return nodes;
+        }
+
+        private static void InsertFolder(List<ChangeTreeNode> collection, ChangeTreeNode subFolder)
+        {
+            for (int i = 0; i < collection.Count; i++)
+            {
+                if (!collection[i].IsFolder)
+                {
+                    collection.Insert(i, subFolder);
+                    return;
+                }
+            }
+
+            collection.Add(subFolder);
+        }
+
+        private static void Sort(List<ChangeTreeNode> nodes)
+        {
+            foreach (var node in nodes)
+            {
+                if (node.IsFolder)
+                    Sort(node.Children);
+            }
+
+            nodes.Sort((l, r) =>
+            {
+                if (l.IsFolder)
+                    return r.IsFolder ? string.Compare(l.FullPath, r.FullPath, StringComparison.Ordinal) : -1;
+                return r.IsFolder ? 1 : string.Compare(l.FullPath, r.FullPath, StringComparison.Ordinal);
+            });
+        }
+
+        private bool _isExpanded = true;
+    }
+}

src/ViewModels/Clone.cs

@@ -1,4 +1,5 @@
-using System.ComponentModel.DataAnnotations;
+using System;
+using System.ComponentModel.DataAnnotations;
 using System.IO;
 using System.Threading.Tasks;
 
@@ -105,8 +106,8 @@ namespace SourceGit.ViewModels
                 }
                 else
                 {
-                    var name = Path.GetFileName(_remote);
+                    var name = Path.GetFileName(_remote)!;
-                    if (name.EndsWith(".git"))
+                    if (name.EndsWith(".git", StringComparison.Ordinal))
                         name = name.Substring(0, name.Length - 4);
                     path = Path.GetFullPath(Path.Combine(path, name));
                 }

src/ViewModels/CommitDetail.cs

@@ -176,14 +176,8 @@ namespace SourceGit.ViewModels
                         }
                         else
                         {
-                            Dispatcher.UIThread.Invoke(() =>
+                            var txt = new Models.RevisionTextFile() { Content = content };
-                            {
+                            Dispatcher.UIThread.Invoke(() => ViewRevisionFileContent = txt);
-                                ViewRevisionFileContent = new Models.RevisionTextFile()
-                                {
-                                    FileName = file.Path,
-                                    Content = content
-                                };
-                            });
                         }
                     });
                     break;
@@ -256,7 +250,7 @@ namespace SourceGit.ViewModels
                 var blame = new MenuItem();
                 blame.Header = App.Text("Blame");
                 blame.Icon = App.CreateMenuIcon("Icons.Blame");
-                blame.Click += (o, ev) =>
+                blame.Click += (_, ev) =>
                 {
                     var window = new Views.Blame() { DataContext = new Blame(_repo, change.Path, _commit.SHA) };
                     window.Show();
@@ -320,7 +314,7 @@ namespace SourceGit.ViewModels
             blame.Header = App.Text("Blame");
             blame.Icon = App.CreateMenuIcon("Icons.Blame");
             blame.IsEnabled = file.Type == Models.ObjectType.Blob;
-            blame.Click += (o, ev) =>
+            blame.Click += (_, ev) =>
             {
                 var window = new Views.Blame() { DataContext = new Blame(_repo, file.Path, _commit.SHA) };
                 window.Show();
@@ -461,7 +455,7 @@ namespace SourceGit.ViewModels
             ".ico", ".bmp", ".jpg", ".png", ".jpeg"
         };
 
-        private string _repo = string.Empty;
+        private string _repo;
         private int _activePageIndex = 0;
         private Models.Commit _commit = null;
         private string _fullMessage = string.Empty;

src/ViewModels/CreateTag.cs

@@ -81,7 +81,7 @@ namespace SourceGit.ViewModels
 
             return Task.Run(() =>
             {
-                var succ = false;
+                bool succ;
                 if (_annotated)
                     succ = Commands.Tag.Add(_repo.FullPath, _tagName, _basedOn, Message, SignTag);
                 else
@@ -104,6 +104,6 @@ namespace SourceGit.ViewModels
         private readonly Repository _repo = null;
         private string _tagName = string.Empty;
         private bool _annotated = true;
-        private readonly string _basedOn = string.Empty;
+        private readonly string _basedOn;
     }
 }

src/ViewModels/DiffContext.cs

@@ -30,7 +30,6 @@ namespace SourceGit.ViewModels
         public string Title
         {
             get => _title;
-            private set => SetProperty(ref _title, value);
         }
 
         public string FileModeChange
@@ -237,9 +236,9 @@ namespace SourceGit.ViewModels
             ".ico", ".bmp", ".jpg", ".png", ".jpeg"
         };
 
-        private readonly string _repo = string.Empty;
+        private readonly string _repo;
         private readonly Models.DiffOption _option = null;
-        private string _title = string.Empty;
+        private string _title;
         private string _fileModeChange = string.Empty;
         private bool _isLoading = true;
         private bool _isTextDiff = false;

src/ViewModels/Discard.cs

@@ -9,7 +9,6 @@ namespace SourceGit.ViewModels
 
     public class Discard : Popup
     {
-
         public object Mode
         {
             get;
@@ -54,19 +53,18 @@ namespace SourceGit.ViewModels
             return Task.Run(() =>
             {
                 if (_changes == null)
-                {
                     Commands.Discard.All(_repo.FullPath);
-                }
                 else if (_isUnstaged)
-                {
                     Commands.Discard.ChangesInWorkTree(_repo.FullPath, _changes);
-                }
                 else
-                {
                     Commands.Discard.ChangesInStaged(_repo.FullPath, _changes);
-                }
 
-                CallUIThread(() => _repo.SetWatcherEnabled(true));
+                CallUIThread(() =>
+                {
+                    _repo.MarkWorkingCopyDirtyManually();
+                    _repo.SetWatcherEnabled(true);
+                });
+
                 return true;
             });
         }

src/ViewModels/EditRemote.cs

@@ -67,7 +67,7 @@ namespace SourceGit.ViewModels
                 foreach (var remote in edit._repo.Remotes)
                 {
                     if (remote != edit._remote && name == remote.Name)
-                        new ValidationResult("A remote with given name already exists!!!");
+                        return new ValidationResult("A remote with given name already exists!!!");
                 }
             }
 
@@ -84,7 +84,7 @@ namespace SourceGit.ViewModels
                 foreach (var remote in edit._repo.Remotes)
                 {
                     if (remote != edit._remote && url == remote.URL)
-                        new ValidationResult("A remote with the same url already exists!!!");
+                        return new ValidationResult("A remote with the same url already exists!!!");
                 }
             }
 
@@ -136,8 +136,8 @@ namespace SourceGit.ViewModels
 
         private readonly Repository _repo = null;
         private readonly Models.Remote _remote = null;
-        private string _name = string.Empty;
+        private string _name = null;
-        private string _url = string.Empty;
+        private string _url = null;
         private bool _useSSH = false;
         private string _sshkey = string.Empty;
     }

src/ViewModels/EditRepositoryNode.cs

@@ -5,12 +5,6 @@ namespace SourceGit.ViewModels
 {
     public class EditRepositoryNode : Popup
     {
-        public RepositoryNode Node
-        {
-            get => _node;
-            set => SetProperty(ref _node, value);
-        }
-
         public string Id
         {
             get => _id;
@@ -60,8 +54,8 @@ namespace SourceGit.ViewModels
         }
 
         private RepositoryNode _node = null;
-        private string _id = string.Empty;
+        private string _id = null;
-        private string _name = string.Empty;
+        private string _name = null;
         private bool _isRepository = false;
         private int _bookmark = 0;
     }

src/ViewModels/Fetch.cs

@@ -68,6 +68,6 @@ namespace SourceGit.ViewModels
         }
 
         private readonly Repository _repo = null;
-        private bool _fetchAllRemotes = true;
+        private bool _fetchAllRemotes;
     }
 }

src/ViewModels/FileHistories.cs

@@ -73,8 +73,8 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly string _repo = string.Empty;
+        private readonly string _repo = null;
-        private readonly string _file = string.Empty;
+        private readonly string _file = null;
         private bool _isLoading = true;
         private List<Models.Commit> _commits = null;
         private Models.Commit _selectedCommit = null;

src/ViewModels/GitFlowFinish.cs

@@ -43,8 +43,8 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private readonly string _type = "feature";
+        private readonly string _type;
-        private readonly string _prefix = string.Empty;
+        private readonly string _prefix;
     }
 }

src/ViewModels/GitFlowStart.cs

@@ -27,7 +27,7 @@ namespace SourceGit.ViewModels
         {
             _repo = repo;
             _type = type;
-            _prefix = Commands.GitFlow.Prefix(repo.FullPath, type);
+            _prefix = Commands.GitFlow.GetPrefix(repo.FullPath, type);
 
             View = new Views.GitFlowStart() { DataContext = this };
         }
@@ -59,9 +59,9 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private readonly string _type = "feature";
+        private readonly string _type;
-        private readonly string _prefix = string.Empty;
+        private readonly string _prefix;
         private string _name = null;
     }
 }

src/ViewModels/Histories.cs

@@ -4,7 +4,7 @@ using System.Collections.Generic;
 
 using Avalonia.Controls;
 using Avalonia.Platform.Storage;
-
+using Avalonia.VisualTree;
 using CommunityToolkit.Mvvm.ComponentModel;
 
 namespace SourceGit.ViewModels
@@ -156,7 +156,7 @@ namespace SourceGit.ViewModels
             if (current == null)
                 return null;
 
-            var commit = datagrid.SelectedItem as Models.Commit;
+            var commit = (datagrid.SelectedItem as Models.Commit)!;
             var menu = new ContextMenu();
             var tags = new List<Models.Tag>();
 
@@ -202,7 +202,7 @@ namespace SourceGit.ViewModels
                 var reset = new MenuItem();
                 reset.Header = new Views.NameHighlightedTextBlock("CommitCM.Reset", current.Name);
                 reset.Icon = App.CreateMenuIcon("Icons.Reset");
-                reset.Click += (o, e) =>
+                reset.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Reset(_repo, current, commit));
@@ -215,7 +215,7 @@ namespace SourceGit.ViewModels
                 var reword = new MenuItem();
                 reword.Header = App.Text("CommitCM.Reword");
                 reword.Icon = App.CreateMenuIcon("Icons.Edit");
-                reword.Click += (o, e) =>
+                reword.Click += (_, e) =>
                 {
                     if (_repo.WorkingCopyChangesCount > 0)
                     {
@@ -233,7 +233,7 @@ namespace SourceGit.ViewModels
                 squash.Header = App.Text("CommitCM.Squash");
                 squash.Icon = App.CreateMenuIcon("Icons.SquashIntoParent");
                 squash.IsEnabled = commit.Parents.Count == 1;
-                squash.Click += (o, e) =>
+                squash.Click += (_, e) =>
                 {
                     if (_repo.WorkingCopyChangesCount > 0)
                     {
@@ -258,7 +258,7 @@ namespace SourceGit.ViewModels
                 var rebase = new MenuItem();
                 rebase.Header = new Views.NameHighlightedTextBlock("CommitCM.Rebase", current.Name);
                 rebase.Icon = App.CreateMenuIcon("Icons.Rebase");
-                rebase.Click += (o, e) =>
+                rebase.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Rebase(_repo, current, commit));
@@ -269,7 +269,7 @@ namespace SourceGit.ViewModels
                 var cherryPick = new MenuItem();
                 cherryPick.Header = App.Text("CommitCM.CherryPick");
                 cherryPick.Icon = App.CreateMenuIcon("Icons.CherryPick");
-                cherryPick.Click += (o, e) =>
+                cherryPick.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new CherryPick(_repo, commit));
@@ -282,7 +282,7 @@ namespace SourceGit.ViewModels
                 var revert = new MenuItem();
                 revert.Header = App.Text("CommitCM.Revert");
                 revert.Icon = App.CreateMenuIcon("Icons.Undo");
-                revert.Click += (o, e) =>
+                revert.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Revert(_repo, commit));
@@ -294,7 +294,7 @@ namespace SourceGit.ViewModels
                 interactiveRebase.Header = new Views.NameHighlightedTextBlock("CommitCM.InteractiveRebase", current.Name);
                 interactiveRebase.Icon = App.CreateMenuIcon("Icons.InteractiveRebase");
                 interactiveRebase.IsVisible = current.Head != commit.SHA;
-                interactiveRebase.Click += (o, e) =>
+                interactiveRebase.Click += (_, e) =>
                 {
                     if (_repo.WorkingCopyChangesCount > 0)
                     {
@@ -302,8 +302,12 @@ namespace SourceGit.ViewModels
                         return;
                     }
 
+                    var toplevel = datagrid.FindAncestorOfType<Views.Launcher>();
+                    if (toplevel == null)
+                        return;
+
                     var dialog = new Views.InteractiveRebase() { DataContext = new InteractiveRebase(_repo, current, commit) };
-                    dialog.ShowDialog(App.GetTopLevel() as Window);
+                    dialog.ShowDialog(toplevel);
                     e.Handled = true;
                 };
                 menu.Items.Add(interactiveRebase);
@@ -314,7 +318,7 @@ namespace SourceGit.ViewModels
                 var checkoutCommit = new MenuItem();
                 checkoutCommit.Header = App.Text("CommitCM.Checkout");
                 checkoutCommit.Icon = App.CreateMenuIcon("Icons.Detached");
-                checkoutCommit.Click += (o, e) =>
+                checkoutCommit.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new CheckoutCommit(_repo, commit));
@@ -330,7 +334,7 @@ namespace SourceGit.ViewModels
                 var compareWithHead = new MenuItem();
                 compareWithHead.Header = App.Text("CommitCM.CompareWithHead");
                 compareWithHead.Icon = App.CreateMenuIcon("Icons.Compare");
-                compareWithHead.Click += (o, e) =>
+                compareWithHead.Click += (_, e) =>
                 {
                     var head = _commits.Find(x => x.SHA == current.Head);
                     if (head == null)
@@ -354,7 +358,7 @@ namespace SourceGit.ViewModels
                     var compareWithWorktree = new MenuItem();
                     compareWithWorktree.Header = App.Text("CommitCM.CompareWithWorktree");
                     compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
-                    compareWithWorktree.Click += (o, e) =>
+                    compareWithWorktree.Click += (_, e) =>
                     {
                         DetailContext = new RevisionCompare(_repo.FullPath, commit, null);
                         e.Handled = true;
@@ -368,7 +372,7 @@ namespace SourceGit.ViewModels
             var createBranch = new MenuItem();
             createBranch.Icon = App.CreateMenuIcon("Icons.Branch.Add");
             createBranch.Header = App.Text("CreateBranch");
-            createBranch.Click += (o, e) =>
+            createBranch.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateBranch(_repo, commit));
@@ -379,7 +383,7 @@ namespace SourceGit.ViewModels
             var createTag = new MenuItem();
             createTag.Icon = App.CreateMenuIcon("Icons.Tag.Add");
             createTag.Header = App.Text("CreateTag");
-            createTag.Click += (o, e) =>
+            createTag.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateTag(_repo, commit));
@@ -413,7 +417,7 @@ namespace SourceGit.ViewModels
             var archive = new MenuItem();
             archive.Icon = App.CreateMenuIcon("Icons.Archive");
             archive.Header = App.Text("Archive");
-            archive.Click += (o, e) =>
+            archive.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Archive(_repo, commit));
@@ -425,7 +429,7 @@ namespace SourceGit.ViewModels
             var copySHA = new MenuItem();
             copySHA.Header = App.Text("CommitCM.CopySHA");
             copySHA.Icon = App.CreateMenuIcon("Icons.Copy");
-            copySHA.Click += (o, e) =>
+            copySHA.Click += (_, e) =>
             {
                 App.CopyText(commit.SHA);
                 e.Handled = true;
@@ -448,7 +452,7 @@ namespace SourceGit.ViewModels
                 fastForward.Header = new Views.NameHighlightedTextBlock("BranchCM.FastForward", upstream);
                 fastForward.Icon = App.CreateMenuIcon("Icons.FastForward");
                 fastForward.IsEnabled = !string.IsNullOrEmpty(current.UpstreamTrackStatus) && current.UpstreamTrackStatus.IndexOf('↑') < 0;
-                fastForward.Click += (o, e) =>
+                fastForward.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowAndStartPopup(new Merge(_repo, upstream, current.Name));
@@ -459,7 +463,7 @@ namespace SourceGit.ViewModels
                 var pull = new MenuItem();
                 pull.Header = new Views.NameHighlightedTextBlock("BranchCM.Pull", upstream);
                 pull.Icon = App.CreateMenuIcon("Icons.Pull");
-                pull.Click += (o, e) =>
+                pull.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Pull(_repo, null));
@@ -472,7 +476,7 @@ namespace SourceGit.ViewModels
             push.Header = new Views.NameHighlightedTextBlock("BranchCM.Push", current.Name);
             push.Icon = App.CreateMenuIcon("Icons.Push");
             push.IsEnabled = _repo.Remotes.Count > 0;
-            push.Click += (o, e) =>
+            push.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Push(_repo, current));
@@ -487,7 +491,7 @@ namespace SourceGit.ViewModels
                 var finish = new MenuItem();
                 finish.Header = new Views.NameHighlightedTextBlock("BranchCM.Finish", current.Name);
                 finish.Icon = App.CreateMenuIcon("Icons.GitFlow");
-                finish.Click += (o, e) =>
+                finish.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowFinish(_repo, current, detect.Type, detect.Prefix));
@@ -500,7 +504,7 @@ namespace SourceGit.ViewModels
             var rename = new MenuItem();
             rename.Header = new Views.NameHighlightedTextBlock("BranchCM.Rename", current.Name);
             rename.Icon = App.CreateMenuIcon("Icons.Rename");
-            rename.Click += (o, e) =>
+            rename.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new RenameBranch(_repo, current));
@@ -520,7 +524,7 @@ namespace SourceGit.ViewModels
             var checkout = new MenuItem();
             checkout.Header = new Views.NameHighlightedTextBlock("BranchCM.Checkout", branch.Name);
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
-            checkout.Click += (o, e) =>
+            checkout.Click += (_, e) =>
             {
                 _repo.CheckoutBranch(branch);
                 e.Handled = true;
@@ -531,7 +535,7 @@ namespace SourceGit.ViewModels
             merge.Header = new Views.NameHighlightedTextBlock("BranchCM.Merge", branch.Name, current.Name);
             merge.Icon = App.CreateMenuIcon("Icons.Merge");
             merge.IsEnabled = !merged;
-            merge.Click += (o, e) =>
+            merge.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Merge(_repo, branch.Name, current.Name));
@@ -546,7 +550,7 @@ namespace SourceGit.ViewModels
                 var finish = new MenuItem();
                 finish.Header = new Views.NameHighlightedTextBlock("BranchCM.Finish", branch.Name);
                 finish.Icon = App.CreateMenuIcon("Icons.GitFlow");
-                finish.Click += (o, e) =>
+                finish.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowFinish(_repo, branch, detect.Type, detect.Prefix));
@@ -559,7 +563,7 @@ namespace SourceGit.ViewModels
             var rename = new MenuItem();
             rename.Header = new Views.NameHighlightedTextBlock("BranchCM.Rename", branch.Name);
             rename.Icon = App.CreateMenuIcon("Icons.Rename");
-            rename.Click += (o, e) =>
+            rename.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new RenameBranch(_repo, branch));
@@ -570,7 +574,7 @@ namespace SourceGit.ViewModels
             var delete = new MenuItem();
             delete.Header = new Views.NameHighlightedTextBlock("BranchCM.Delete", branch.Name);
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteBranch(_repo, branch));
@@ -592,7 +596,7 @@ namespace SourceGit.ViewModels
             var checkout = new MenuItem();
             checkout.Header = new Views.NameHighlightedTextBlock("BranchCM.Checkout", name);
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
-            checkout.Click += (o, e) =>
+            checkout.Click += (_, e) =>
             {
                 _repo.CheckoutBranch(branch);
                 e.Handled = true;
@@ -603,7 +607,7 @@ namespace SourceGit.ViewModels
             merge.Header = new Views.NameHighlightedTextBlock("BranchCM.Merge", name, current.Name);
             merge.Icon = App.CreateMenuIcon("Icons.Merge");
             merge.IsEnabled = !merged;
-            merge.Click += (o, e) =>
+            merge.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Merge(_repo, name, current.Name));
@@ -616,7 +620,7 @@ namespace SourceGit.ViewModels
             var delete = new MenuItem();
             delete.Header = new Views.NameHighlightedTextBlock("BranchCM.Delete", name);
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteBranch(_repo, branch));
@@ -638,7 +642,7 @@ namespace SourceGit.ViewModels
             push.Header = new Views.NameHighlightedTextBlock("TagCM.Push", tag.Name);
             push.Icon = App.CreateMenuIcon("Icons.Push");
             push.IsEnabled = _repo.Remotes.Count > 0;
-            push.Click += (o, e) =>
+            push.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new PushTag(_repo, tag));
@@ -649,7 +653,7 @@ namespace SourceGit.ViewModels
             var delete = new MenuItem();
             delete.Header = new Views.NameHighlightedTextBlock("TagCM.Delete", tag.Name);
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteTag(_repo, tag));

src/ViewModels/InProgressContexts.cs

@@ -1,5 +1,4 @@
-using System.Diagnostics;
+using System.IO;
-using System.IO;
 
 namespace SourceGit.ViewModels
 {
@@ -39,7 +38,8 @@ namespace SourceGit.ViewModels
             {
                 WorkingDirectory = Repository,
                 Context = Repository,
-                Args = $"-c core.editor=true {Cmd} --continue",
+                Editor = Commands.Command.EditorType.None,
+                Args = $"{Cmd} --continue",
             }.Exec();
         }
     }
@@ -58,14 +58,12 @@ namespace SourceGit.ViewModels
 
         public override bool Continue()
         {
-            var exec = Process.GetCurrentProcess().MainModule.FileName;
-            var editor = $"\\\"{exec}\\\" --rebase-editor";
-
             var succ = new Commands.Command()
             {
                 WorkingDirectory = Repository,
                 Context = Repository,
-                Args = $"-c core.editor=\"{editor}\" rebase --continue",
+                Editor = Commands.Command.EditorType.RebaseEditor,
+                Args = $"rebase --continue",
             }.Exec();
 
             if (succ)

src/ViewModels/Init.cs

@@ -38,7 +38,7 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private string _targetPath = string.Empty;
+        private string _targetPath = null;
         private RepositoryNode _parentNode = null;
     }
 }

src/ViewModels/InitGitFlow.cs

@@ -114,8 +114,8 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private string _master = "master";
+        private string _master;
         private string _develop = "develop";
         private string _featurePrefix = "feature/";
         private string _releasePrefix = "release/";

src/ViewModels/InteractiveRebase.cs

@@ -62,8 +62,8 @@ namespace SourceGit.ViewModels
         }
 
         private Models.InteractiveRebaseAction _action = Models.InteractiveRebaseAction.Pick;
-        private string _subject = string.Empty;
+        private string _subject;
-        private string _fullMessage = string.Empty;
+        private string _fullMessage;
     }
 
     public class InteractiveRebase : ObservableObject
@@ -168,18 +168,18 @@ namespace SourceGit.ViewModels
             _repo.SetWatcherEnabled(false);
 
             var saveFile = Path.Combine(_repo.GitDir, "sourcegit_rebase_jobs.json");
-            var jobs = new List<Models.InteractiveRebaseJob>();
+            var collection = new Models.InteractiveRebaseJobCollection();
             for (int i = Items.Count - 1; i >= 0; i--)
             {
                 var item = Items[i];
-                jobs.Add(new Models.InteractiveRebaseJob()
+                collection.Jobs.Add(new Models.InteractiveRebaseJob()
                 {
                     SHA = item.Commit.SHA,
                     Action = item.Action,
                     Message = item.FullMessage,
                 });
             }
-            File.WriteAllText(saveFile, JsonSerializer.Serialize(jobs, JsonCodeGen.Default.ListInteractiveRebaseJob));
+            File.WriteAllText(saveFile, JsonSerializer.Serialize(collection, JsonCodeGen.Default.InteractiveRebaseJobCollection));
 
             return Task.Run(() =>
             {

src/ViewModels/LFSLocks.cs

@@ -67,8 +67,8 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private string _repo = string.Empty;
+        private string _repo;
-        private string _remote = string.Empty;
+        private string _remote;
         private bool _isLoading = true;
         private bool _isEmpty = false;
     }

src/ViewModels/Launcher.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 
+using Avalonia;
 using Avalonia.Collections;
 using Avalonia.Controls;
 using Avalonia.Input;
@@ -28,22 +29,20 @@ namespace SourceGit.ViewModels
             }
         }
 
-        public Launcher()
+        public Launcher(string startupRepo)
         {
             Pages = new AvaloniaList<LauncherPage>();
             AddNewTab();
 
-            var commandlines = Environment.GetCommandLineArgs();
+            if (!string.IsNullOrEmpty(startupRepo))
-            if (commandlines.Length == 2)
             {
-                var path = commandlines[1];
+                var root = new Commands.QueryRepositoryRootPath(startupRepo).Result();
-                var root = new Commands.QueryRepositoryRootPath(path).Result();
                 if (string.IsNullOrEmpty(root))
                 {
                     Pages[0].Notifications.Add(new Notification
                     {
                         IsError = true,
-                        Message = $"Given path: '{path}' is NOT a valid repository!"
+                        Message = $"Given path: '{startupRepo}' is NOT a valid repository!"
                     });
                     return;
                 }
@@ -154,7 +153,7 @@ namespace SourceGit.ViewModels
                 }
                 else
                 {
-                    App.Quit();
+                    App.Quit(0);
                 }
 
                 return;
@@ -274,8 +273,9 @@ namespace SourceGit.ViewModels
 
         public void DispatchNotification(string pageId, string message, bool isError)
         {
-            var notification = new Notification() { 
+            var notification = new Notification()
-                IsError = isError, 
+            {
+                IsError = isError,
                 Message = message,
             };
 
@@ -293,12 +293,6 @@ namespace SourceGit.ViewModels
                 _activePage.Notifications.Add(notification);
         }
 
-        public void DismissNotification(Notification notice)
-        {
-            if (notice != null)
-                ActivePage?.Notifications.Remove(notice);
-        }
-
         public ContextMenu CreateContextForPageTab(LauncherPage page)
         {
             if (page == null)
@@ -308,7 +302,7 @@ namespace SourceGit.ViewModels
             var close = new MenuItem();
             close.Header = App.Text("PageTabBar.Tab.Close");
             close.InputGesture = KeyGesture.Parse(OperatingSystem.IsMacOS() ? "⌘+W" : "Ctrl+W");
-            close.Click += (o, e) =>
+            close.Click += (_, e) =>
             {
                 CloseTab(page);
                 e.Handled = true;
@@ -317,7 +311,7 @@ namespace SourceGit.ViewModels
 
             var closeOthers = new MenuItem();
             closeOthers.Header = App.Text("PageTabBar.Tab.CloseOther");
-            closeOthers.Click += (o, e) =>
+            closeOthers.Click += (_, e) =>
             {
                 CloseOtherTabs();
                 e.Handled = true;
@@ -326,7 +320,7 @@ namespace SourceGit.ViewModels
 
             var closeRight = new MenuItem();
             closeRight.Header = App.Text("PageTabBar.Tab.CloseRight");
-            closeRight.Click += (o, e) =>
+            closeRight.Click += (_, e) =>
             {
                 CloseRightTabs();
                 e.Handled = true;
@@ -343,13 +337,13 @@ namespace SourceGit.ViewModels
                 {
                     var icon = App.CreateMenuIcon("Icons.Bookmark");
                     icon.Fill = Models.Bookmarks.Brushes[i];
-                    icon.Stroke = App.Current.FindResource("Brush.FG1") as Brush;
+                    icon.Stroke = Application.Current?.FindResource("Brush.FG1") as Brush;
                     icon.StrokeThickness = i == 0 ? 1.0 : 0;
 
                     var dupIdx = i;
                     var setter = new MenuItem();
                     setter.Header = icon;
-                    setter.Click += (o, e) =>
+                    setter.Click += (_, e) =>
                     {
                         page.Node.Bookmark = dupIdx;
                         e.Handled = true;
@@ -362,7 +356,7 @@ namespace SourceGit.ViewModels
                 var copyPath = new MenuItem();
                 copyPath.Header = App.Text("PageTabBar.Tab.CopyPath");
                 copyPath.Icon = App.CreateMenuIcon("Icons.Copy");
-                copyPath.Click += (o, e) =>
+                copyPath.Click += (_, e) =>
                 {
                     page.CopyPath();
                     e.Handled = true;

src/ViewModels/LayoutInfo.cs

@@ -1,8 +1,4 @@
-using System;
+using Avalonia.Controls;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-using Avalonia.Controls;
 
 using CommunityToolkit.Mvvm.ComponentModel;
 
@@ -28,35 +24,30 @@ namespace SourceGit.ViewModels
             set;
         } = WindowState.Normal;
 
-        [JsonConverter(typeof(GridLengthConverter))]
         public GridLength RepositorySidebarWidth
         {
             get => _repositorySidebarWidth;
             set => SetProperty(ref _repositorySidebarWidth, value);
         }
 
-        [JsonConverter(typeof(GridLengthConverter))]
         public GridLength WorkingCopyLeftWidth
         {
             get => _workingCopyLeftWidth;
             set => SetProperty(ref _workingCopyLeftWidth, value);
         }
 
-        [JsonConverter(typeof(GridLengthConverter))]
         public GridLength StashesLeftWidth
         {
             get => _stashesLeftWidth;
             set => SetProperty(ref _stashesLeftWidth, value);
         }
 
-        [JsonConverter(typeof(GridLengthConverter))]
         public GridLength CommitDetailChangesLeftWidth
         {
             get => _commitDetailChangesLeftWidth;
             set => SetProperty(ref _commitDetailChangesLeftWidth, value);
         }
 
-        [JsonConverter(typeof(GridLengthConverter))]
         public GridLength CommitDetailFilesLeftWidth
         {
             get => _commitDetailFilesLeftWidth;
@@ -69,18 +60,4 @@ namespace SourceGit.ViewModels
         private GridLength _commitDetailChangesLeftWidth = new GridLength(256, GridUnitType.Pixel);
         private GridLength _commitDetailFilesLeftWidth = new GridLength(256, GridUnitType.Pixel);
     }
-
-    public class GridLengthConverter : JsonConverter<GridLength>
-    {
-        public override GridLength Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-        {
-            var size = reader.GetDouble();
-            return new GridLength(size, GridUnitType.Pixel);
-        }
-
-        public override void Write(Utf8JsonWriter writer, GridLength value, JsonSerializerOptions options)
-        {
-            writer.WriteNumberValue(value.Value);
-        }
-    }
 }

src/ViewModels/Preference.cs

@@ -66,28 +66,26 @@ namespace SourceGit.ViewModels
             set
             {
                 if (SetProperty(ref _theme, value))
-                    App.SetTheme(_theme, _colorOverrides);
+                    App.SetTheme(_theme, _themeOverrides);
             }
         }
 
-        public string ColorOverrides
+        public string ThemeOverrides
         {
-            get => _colorOverrides;
+            get => _themeOverrides;
             set
             {
-                if (SetProperty(ref _colorOverrides, value))
+                if (SetProperty(ref _themeOverrides, value))
                     App.SetTheme(_theme, value);
             }
         }
 
-        [JsonConverter(typeof(FontFamilyConverter))]
         public FontFamily DefaultFont
         {
             get => _defaultFont;
             set => SetProperty(ref _defaultFont, value);
         }
 
-        [JsonConverter(typeof(FontFamilyConverter))]
         public FontFamily MonospaceFont
         {
             get => _monospaceFont;
@@ -114,7 +112,7 @@ namespace SourceGit.ViewModels
                 if (Models.AvatarManager.SelectedServer != value)
                 {
                     Models.AvatarManager.SelectedServer = value;
-                    OnPropertyChanged(nameof(AvatarServer));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -223,7 +221,7 @@ namespace SourceGit.ViewModels
                 if (Native.OS.GitExecutable != value)
                 {
                     Native.OS.GitExecutable = value;
-                    OnPropertyChanged(nameof(GitInstallPath));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -235,7 +233,7 @@ namespace SourceGit.ViewModels
             {
                 if (Native.OS.SetShell(value))
                 {
-                    OnPropertyChanged(nameof(GitShell));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -254,7 +252,7 @@ namespace SourceGit.ViewModels
                 if (Commands.AutoFetch.IsEnabled != value)
                 {
                     Commands.AutoFetch.IsEnabled = value;
-                    OnPropertyChanged(nameof(GitAutoFetch));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -270,7 +268,7 @@ namespace SourceGit.ViewModels
                 if (Commands.AutoFetch.Interval != value)
                 {
                     Commands.AutoFetch.Interval = (int)value;
-                    OnPropertyChanged(nameof(GitAutoFetchInterval));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -351,8 +349,8 @@ namespace SourceGit.ViewModels
             {
                 if (l.IsRepository != r.IsRepository)
                     return l.IsRepository ? 1 : -1;
-                else
+
-                    return l.Name.CompareTo(r.Name);
+                return string.Compare(l.Name, r.Name, StringComparison.Ordinal);
             });
 
             collection.Clear();
@@ -415,13 +413,9 @@ namespace SourceGit.ViewModels
             list.Sort((l, r) =>
             {
                 if (l.IsRepository != r.IsRepository)
-                {
                     return l.IsRepository ? 1 : -1;
-                }
+
-                else
+                return string.Compare(l.Name, r.Name, StringComparison.Ordinal);
-                {
-                    return l.Name.CompareTo(r.Name);
-                }
             });
 
             container.Clear();
@@ -487,7 +481,7 @@ namespace SourceGit.ViewModels
 
         private string _locale = "en_US";
         private string _theme = "Default";
-        private string _colorOverrides = string.Empty;
+        private string _themeOverrides = string.Empty;
         private FontFamily _defaultFont = null;
         private FontFamily _monospaceFont = null;
         private double _defaultFontSize = 13;
@@ -498,7 +492,7 @@ namespace SourceGit.ViewModels
         private bool _restoreTabs = false;
         private bool _useFixedTabWidth = true;
         private bool _check4UpdatesOnStartup = true;
-        
+
         private bool _useTwoColumnsLayoutInHistories = false;
         private bool _useSideBySideDiff = false;
         private bool _useSyntaxHighlighting = false;
@@ -517,18 +511,4 @@ namespace SourceGit.ViewModels
 
         private AvaloniaList<RepositoryNode> _repositoryNodes = new AvaloniaList<RepositoryNode>();
     }
-
-    public class FontFamilyConverter : JsonConverter<FontFamily>
-    {
-        public override FontFamily Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-        {
-            var name = reader.GetString();
-            return new FontFamily(name);
-        }
-
-        public override void Write(Utf8JsonWriter writer, FontFamily value, JsonSerializerOptions options)
-        {
-            writer.WriteStringValue(value.ToString());
-        }
-    }
 }

src/ViewModels/Push.cs

@@ -114,7 +114,7 @@ namespace SourceGit.ViewModels
             }
 
             // Find preferred remote if selected local branch has upstream.
-            if (!string.IsNullOrEmpty(_selectedLocalBranch.Upstream))
+            if (!string.IsNullOrEmpty(_selectedLocalBranch?.Upstream))
             {
                 foreach (var branch in repo.Branches)
                 {

src/ViewModels/Rebase.cs

@@ -55,7 +55,7 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private readonly string _revision = string.Empty;
+        private readonly string _revision;
     }
 }

src/ViewModels/RenameBranch.cs

@@ -60,7 +60,7 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private string _name = string.Empty;
+        private string _name;
     }
 }

src/ViewModels/Repository.cs

@@ -129,7 +129,6 @@ namespace SourceGit.ViewModels
         public RepositorySettings Settings
         {
             get => _settings;
-            private set => SetProperty(ref _settings, value);
         }
 
         public int SelectedViewIndex
@@ -259,6 +258,12 @@ namespace SourceGit.ViewModels
             }
         }
 
+        public bool IsSearchLoadingVisible
+        {
+            get => _isSearchLoadingVisible;
+            private set => SetProperty(ref _isSearchLoadingVisible, value);
+        }
+
         public int SearchCommitFilterType
         {
             get => _searchCommitFilterType;
@@ -430,7 +435,7 @@ namespace SourceGit.ViewModels
                 var item = new MenuItem();
                 item.Header = App.Text("Repository.OpenIn", dupTool.Name);
                 item.Icon = new Image { Width = 16, Height = 16, Source = dupTool.IconImage };
-                item.Click += (o, e) =>
+                item.Click += (_, e) =>
                 {
                     dupTool.Open(_fullpath);
                     e.Handled = true;
@@ -533,29 +538,47 @@ namespace SourceGit.ViewModels
             if (_histories == null)
                 return;
 
-            var visible = new List<Models.Commit>();
+            IsSearchLoadingVisible = true;
 
-            if (_searchCommitFilterType == 0)
+            Task.Run(() =>
             {
-                foreach (var c in _histories.Commits)
+                var visible = new List<Models.Commit>();
+
+                switch (_searchCommitFilterType)
                 {
-                    if (c.SHA.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                    case 0:
-                        || c.Subject.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                        foreach (var c in _histories.Commits)
-                        || c.Author.Name.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                        {
-                        || c.Committer.Name.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                            if (c.SHA.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase))
-                        || c.Author.Email.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                                visible.Add(c);
-                        || c.Committer.Email.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase))
+                        }
-                    {
-                        visible.Add(c);
-                    }
-                }
-            }
-            else
-            {
-                visible = new Commands.QueryCommits(FullPath, $"-1000 -- \"{_searchCommitFilter}\"", false).Result();
-            }
 
-            SearchedCommits = visible;
+                        break;
+                    case 1:
+                        foreach (var c in _histories.Commits)
+                        {
+                            if (c.Author.Name.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                                || c.Committer.Name.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                                || c.Author.Email.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase)
+                                || c.Committer.Email.Contains(_searchCommitFilter, StringComparison.OrdinalIgnoreCase))
+                                visible.Add(c);
+                        }
+
+                        break;
+                    case 2:
+                        visible = new Commands.QueryCommits(FullPath, 1000, _searchCommitFilter).Result();
+                        break;
+                    case 3:
+                        visible = new Commands.QueryCommits(FullPath, $"-1000 -- \"{_searchCommitFilter}\"", false).Result();
+                        break;
+                }
+
+                Dispatcher.UIThread.Invoke(() =>
+                {
+                    SearchedCommits = visible;
+                    IsSearchLoadingVisible = false;
+                });
+            });
         }
 
         public void ClearSearchBranchFilter()
@@ -989,7 +1012,7 @@ namespace SourceGit.ViewModels
                 var startFeature = new MenuItem();
                 startFeature.Header = App.Text("GitFlow.StartFeature");
                 startFeature.Icon = App.CreateMenuIcon("Icons.GitFlow.Feature");
-                startFeature.Click += (o, e) =>
+                startFeature.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowStart(this, "feature"));
@@ -999,7 +1022,7 @@ namespace SourceGit.ViewModels
                 var startRelease = new MenuItem();
                 startRelease.Header = App.Text("GitFlow.StartRelease");
                 startRelease.Icon = App.CreateMenuIcon("Icons.GitFlow.Release");
-                startRelease.Click += (o, e) =>
+                startRelease.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowStart(this, "release"));
@@ -1009,7 +1032,7 @@ namespace SourceGit.ViewModels
                 var startHotfix = new MenuItem();
                 startHotfix.Header = App.Text("GitFlow.StartHotfix");
                 startHotfix.Icon = App.CreateMenuIcon("Icons.GitFlow.Hotfix");
-                startHotfix.Click += (o, e) =>
+                startHotfix.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowStart(this, "hotfix"));
@@ -1025,7 +1048,7 @@ namespace SourceGit.ViewModels
                 var init = new MenuItem();
                 init.Header = App.Text("GitFlow.Init");
                 init.Icon = App.CreateMenuIcon("Icons.Init");
-                init.Click += (o, e) =>
+                init.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new InitGitFlow(this));
@@ -1047,7 +1070,7 @@ namespace SourceGit.ViewModels
                 var addPattern = new MenuItem();
                 addPattern.Header = App.Text("GitLFS.AddTrackPattern");
                 addPattern.Icon = App.CreateMenuIcon("Icons.File.Add");
-                addPattern.Click += (o, e) =>
+                addPattern.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new LFSTrackCustomPattern(this));
@@ -1061,7 +1084,7 @@ namespace SourceGit.ViewModels
                 fetch.Header = App.Text("GitLFS.Fetch");
                 fetch.Icon = App.CreateMenuIcon("Icons.Fetch");
                 fetch.IsEnabled = Remotes.Count > 0;
-                fetch.Click += (o, e) =>
+                fetch.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                     {
@@ -1079,7 +1102,7 @@ namespace SourceGit.ViewModels
                 pull.Header = App.Text("GitLFS.Pull");
                 pull.Icon = App.CreateMenuIcon("Icons.Pull");
                 pull.IsEnabled = Remotes.Count > 0;
-                pull.Click += (o, e) =>
+                pull.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                     {
@@ -1097,7 +1120,7 @@ namespace SourceGit.ViewModels
                 push.Header = App.Text("GitLFS.Push");
                 push.Icon = App.CreateMenuIcon("Icons.Push");
                 push.IsEnabled = Remotes.Count > 0;
-                push.Click += (o, e) =>
+                push.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                     {
@@ -1114,7 +1137,7 @@ namespace SourceGit.ViewModels
                 var prune = new MenuItem();
                 prune.Header = App.Text("GitLFS.Prune");
                 prune.Icon = App.CreateMenuIcon("Icons.Clean");
-                prune.Click += (o, e) =>
+                prune.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowAndStartPopup(new LFSPrune(this));
@@ -1130,10 +1153,14 @@ namespace SourceGit.ViewModels
                 locks.IsEnabled = Remotes.Count > 0;
                 if (Remotes.Count == 1)
                 {
-                    locks.Click += (o, e) =>
+                    locks.Click += (_, e) =>
                     {
+                        var topLevel = App.GetTopLevel() as Window;
+                        if (topLevel == null)
+                            return;
+
                         var dialog = new Views.LFSLocks() { DataContext = new LFSLocks(_fullpath, Remotes[0].Name) };
-                        dialog.Show(App.GetTopLevel() as Window);
+                        dialog.Show(topLevel);
                         e.Handled = true;
                     };
                 }
@@ -1144,10 +1171,14 @@ namespace SourceGit.ViewModels
                         var remoteName = remote.Name;
                         var lockRemote = new MenuItem();
                         lockRemote.Header = remoteName;
-                        lockRemote.Click += (o, e) =>
+                        lockRemote.Click += (_, e) =>
                         {
+                            var topLevel = App.GetTopLevel() as Window;
+                            if (topLevel == null)
+                                return;
+
                             var dialog = new Views.LFSLocks() { DataContext = new LFSLocks(_fullpath, remoteName) };
-                            dialog.Show(App.GetTopLevel() as Window);
+                            dialog.Show(topLevel);
                             e.Handled = true;
                         };
                         locks.Items.Add(lockRemote);
@@ -1162,7 +1193,7 @@ namespace SourceGit.ViewModels
                 var install = new MenuItem();
                 install.Header = App.Text("GitLFS.Install");
                 install.Icon = App.CreateMenuIcon("Icons.Init");
-                install.Click += (o, e) =>
+                install.Click += (_, e) =>
                 {
                     var succ = new Commands.LFS(_fullpath).Install();
                     if (succ)
@@ -1197,7 +1228,7 @@ namespace SourceGit.ViewModels
                 discard.Header = App.Text("BranchCM.DiscardAll");
                 discard.Icon = App.CreateMenuIcon("Icons.Undo");
                 discard.IsEnabled = _workingCopy.Count > 0;
-                discard.Click += (o, e) =>
+                discard.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Discard(this));
@@ -1214,7 +1245,7 @@ namespace SourceGit.ViewModels
                     fastForward.Header = new Views.NameHighlightedTextBlock("BranchCM.FastForward", upstream);
                     fastForward.Icon = App.CreateMenuIcon("Icons.FastForward");
                     fastForward.IsEnabled = !string.IsNullOrEmpty(branch.UpstreamTrackStatus) && branch.UpstreamTrackStatus.IndexOf('↑') < 0;
-                    fastForward.Click += (o, e) =>
+                    fastForward.Click += (_, e) =>
                     {
                         if (PopupHost.CanCreatePopup())
                             PopupHost.ShowAndStartPopup(new Merge(this, upstream, branch.Name));
@@ -1224,7 +1255,7 @@ namespace SourceGit.ViewModels
                     var pull = new MenuItem();
                     pull.Header = new Views.NameHighlightedTextBlock("BranchCM.Pull", upstream);
                     pull.Icon = App.CreateMenuIcon("Icons.Pull");
-                    pull.Click += (o, e) =>
+                    pull.Click += (_, e) =>
                     {
                         if (PopupHost.CanCreatePopup())
                             PopupHost.ShowPopup(new Pull(this, null));
@@ -1251,7 +1282,7 @@ namespace SourceGit.ViewModels
                 var checkout = new MenuItem();
                 checkout.Header = new Views.NameHighlightedTextBlock("BranchCM.Checkout", branch.Name);
                 checkout.Icon = App.CreateMenuIcon("Icons.Check");
-                checkout.Click += (o, e) =>
+                checkout.Click += (_, e) =>
                 {
                     CheckoutBranch(branch);
                     e.Handled = true;
@@ -1265,7 +1296,7 @@ namespace SourceGit.ViewModels
                     fastForward.Header = new Views.NameHighlightedTextBlock("BranchCM.FastForward", upstream.FriendlyName);
                     fastForward.Icon = App.CreateMenuIcon("Icons.FastForward");
                     fastForward.IsEnabled = !string.IsNullOrEmpty(branch.UpstreamTrackStatus) && branch.UpstreamTrackStatus.IndexOf('↑') < 0;
-                    fastForward.Click += (o, e) =>
+                    fastForward.Click += (_, e) =>
                     {
                         if (PopupHost.CanCreatePopup())
                             PopupHost.ShowAndStartPopup(new FastForwardWithoutCheckout(this, branch, upstream));
@@ -1282,7 +1313,7 @@ namespace SourceGit.ViewModels
                 var merge = new MenuItem();
                 merge.Header = new Views.NameHighlightedTextBlock("BranchCM.Merge", branch.Name, current.Name);
                 merge.Icon = App.CreateMenuIcon("Icons.Merge");
-                merge.Click += (o, e) =>
+                merge.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Merge(this, branch.Name, current.Name));
@@ -1292,7 +1323,7 @@ namespace SourceGit.ViewModels
                 var rebase = new MenuItem();
                 rebase.Header = new Views.NameHighlightedTextBlock("BranchCM.Rebase", current.Name, branch.Name);
                 rebase.Icon = App.CreateMenuIcon("Icons.Rebase");
-                rebase.Click += (o, e) =>
+                rebase.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Rebase(this, current, branch));
@@ -1307,7 +1338,7 @@ namespace SourceGit.ViewModels
                     var compareWithWorktree = new MenuItem();
                     compareWithWorktree.Header = App.Text("BranchCM.CompareWithWorktree");
                     compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
-                    compareWithWorktree.Click += (o, e) =>
+                    compareWithWorktree.Click += (_, _) =>
                     {
                         SearchResultSelectedCommit = null;
 
@@ -1338,7 +1369,7 @@ namespace SourceGit.ViewModels
                 var finish = new MenuItem();
                 finish.Header = new Views.NameHighlightedTextBlock("BranchCM.Finish", branch.Name);
                 finish.Icon = App.CreateMenuIcon("Icons.GitFlow");
-                finish.Click += (o, e) =>
+                finish.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new GitFlowFinish(this, branch, detect.Type, detect.Prefix));
@@ -1351,7 +1382,7 @@ namespace SourceGit.ViewModels
             var rename = new MenuItem();
             rename.Header = new Views.NameHighlightedTextBlock("BranchCM.Rename", branch.Name);
             rename.Icon = App.CreateMenuIcon("Icons.Rename");
-            rename.Click += (o, e) =>
+            rename.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new RenameBranch(this, branch));
@@ -1362,7 +1393,7 @@ namespace SourceGit.ViewModels
             delete.Header = new Views.NameHighlightedTextBlock("BranchCM.Delete", branch.Name);
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
             delete.IsEnabled = !branch.IsCurrent;
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteBranch(this, branch));
@@ -1372,7 +1403,7 @@ namespace SourceGit.ViewModels
             var createBranch = new MenuItem();
             createBranch.Icon = App.CreateMenuIcon("Icons.Branch.Add");
             createBranch.Header = App.Text("CreateBranch");
-            createBranch.Click += (o, e) =>
+            createBranch.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateBranch(this, branch));
@@ -1382,7 +1413,7 @@ namespace SourceGit.ViewModels
             var createTag = new MenuItem();
             createTag.Icon = App.CreateMenuIcon("Icons.Tag.Add");
             createTag.Header = App.Text("CreateTag");
-            createTag.Click += (o, e) =>
+            createTag.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateTag(this, branch));
@@ -1418,7 +1449,7 @@ namespace SourceGit.ViewModels
                     if (branch.Upstream == b.FullName)
                         target.Icon = App.CreateMenuIcon("Icons.Check");
 
-                    target.Click += (o, e) =>
+                    target.Click += (_, e) =>
                     {
                         if (Commands.Branch.SetUpstream(_fullpath, branch.Name, upstream))
                             Task.Run(RefreshBranches);
@@ -1447,7 +1478,7 @@ namespace SourceGit.ViewModels
             var archive = new MenuItem();
             archive.Icon = App.CreateMenuIcon("Icons.Archive");
             archive.Header = App.Text("Archive");
-            archive.Click += (o, e) =>
+            archive.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Archive(this, branch));
@@ -1459,7 +1490,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("BranchCM.CopyName");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, e) =>
+            copy.Click += (_, e) =>
             {
                 App.CopyText(branch.Name);
                 e.Handled = true;
@@ -1478,7 +1509,7 @@ namespace SourceGit.ViewModels
                 var visit = new MenuItem();
                 visit.Header = App.Text("RemoteCM.OpenInBrowser");
                 visit.Icon = App.CreateMenuIcon("Icons.OpenWith");
-                visit.Click += (o, e) =>
+                visit.Click += (_, e) =>
                 {
                     Native.OS.OpenBrowser(visitURL);
                     e.Handled = true;
@@ -1491,7 +1522,7 @@ namespace SourceGit.ViewModels
             var fetch = new MenuItem();
             fetch.Header = App.Text("RemoteCM.Fetch");
             fetch.Icon = App.CreateMenuIcon("Icons.Fetch");
-            fetch.Click += (o, e) =>
+            fetch.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowAndStartPopup(new Fetch(this, remote));
@@ -1501,7 +1532,7 @@ namespace SourceGit.ViewModels
             var prune = new MenuItem();
             prune.Header = App.Text("RemoteCM.Prune");
             prune.Icon = App.CreateMenuIcon("Icons.Clean");
-            prune.Click += (o, e) =>
+            prune.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowAndStartPopup(new PruneRemote(this, remote));
@@ -1511,7 +1542,7 @@ namespace SourceGit.ViewModels
             var edit = new MenuItem();
             edit.Header = App.Text("RemoteCM.Edit");
             edit.Icon = App.CreateMenuIcon("Icons.Edit");
-            edit.Click += (o, e) =>
+            edit.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new EditRemote(this, remote));
@@ -1521,7 +1552,7 @@ namespace SourceGit.ViewModels
             var delete = new MenuItem();
             delete.Header = App.Text("RemoteCM.Delete");
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteRemote(this, remote));
@@ -1531,7 +1562,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("RemoteCM.CopyURL");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, e) =>
+            copy.Click += (_, e) =>
             {
                 App.CopyText(remote.URL);
                 e.Handled = true;
@@ -1556,7 +1587,7 @@ namespace SourceGit.ViewModels
             var checkout = new MenuItem();
             checkout.Header = new Views.NameHighlightedTextBlock("BranchCM.Checkout", name);
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
-            checkout.Click += (o, e) =>
+            checkout.Click += (_, e) =>
             {
                 CheckoutBranch(branch);
                 e.Handled = true;
@@ -1569,7 +1600,7 @@ namespace SourceGit.ViewModels
                 var pull = new MenuItem();
                 pull.Header = new Views.NameHighlightedTextBlock("BranchCM.PullInto", name, current.Name);
                 pull.Icon = App.CreateMenuIcon("Icons.Pull");
-                pull.Click += (o, e) =>
+                pull.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Pull(this, branch));
@@ -1579,7 +1610,7 @@ namespace SourceGit.ViewModels
                 var merge = new MenuItem();
                 merge.Header = new Views.NameHighlightedTextBlock("BranchCM.Merge", name, current.Name);
                 merge.Icon = App.CreateMenuIcon("Icons.Merge");
-                merge.Click += (o, e) =>
+                merge.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Merge(this, name, current.Name));
@@ -1589,7 +1620,7 @@ namespace SourceGit.ViewModels
                 var rebase = new MenuItem();
                 rebase.Header = new Views.NameHighlightedTextBlock("BranchCM.Rebase", current.Name, name);
                 rebase.Icon = App.CreateMenuIcon("Icons.Rebase");
-                rebase.Click += (o, e) =>
+                rebase.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Rebase(this, current, branch));
@@ -1608,7 +1639,7 @@ namespace SourceGit.ViewModels
                 var compareWithWorktree = new MenuItem();
                 compareWithWorktree.Header = App.Text("BranchCM.CompareWithWorktree");
                 compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
-                compareWithWorktree.Click += (o, e) =>
+                compareWithWorktree.Click += (_, _) =>
                 {
                     SearchResultSelectedCommit = null;
 
@@ -1636,7 +1667,7 @@ namespace SourceGit.ViewModels
             var delete = new MenuItem();
             delete.Header = new Views.NameHighlightedTextBlock("BranchCM.Delete", name);
             delete.Icon = App.CreateMenuIcon("Icons.Clear");
-            delete.Click += (o, e) =>
+            delete.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteBranch(this, branch));
@@ -1646,7 +1677,7 @@ namespace SourceGit.ViewModels
             var createBranch = new MenuItem();
             createBranch.Icon = App.CreateMenuIcon("Icons.Branch.Add");
             createBranch.Header = App.Text("CreateBranch");
-            createBranch.Click += (o, e) =>
+            createBranch.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateBranch(this, branch));
@@ -1656,7 +1687,7 @@ namespace SourceGit.ViewModels
             var createTag = new MenuItem();
             createTag.Icon = App.CreateMenuIcon("Icons.Tag.Add");
             createTag.Header = App.Text("CreateTag");
-            createTag.Click += (o, e) =>
+            createTag.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateTag(this, branch));
@@ -1666,7 +1697,7 @@ namespace SourceGit.ViewModels
             var archive = new MenuItem();
             archive.Icon = App.CreateMenuIcon("Icons.Archive");
             archive.Header = App.Text("Archive");
-            archive.Click += (o, e) =>
+            archive.Click += (_, e) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Archive(this, branch));
@@ -1676,7 +1707,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("BranchCM.CopyName");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, e) =>
+            copy.Click += (_, e) =>
             {
                 App.CopyText(name);
                 e.Handled = true;
@@ -1698,7 +1729,7 @@ namespace SourceGit.ViewModels
             var createBranch = new MenuItem();
             createBranch.Icon = App.CreateMenuIcon("Icons.Branch.Add");
             createBranch.Header = App.Text("CreateBranch");
-            createBranch.Click += (o, ev) =>
+            createBranch.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new CreateBranch(this, tag));
@@ -1709,7 +1740,7 @@ namespace SourceGit.ViewModels
             pushTag.Header = new Views.NameHighlightedTextBlock("TagCM.Push", tag.Name);
             pushTag.Icon = App.CreateMenuIcon("Icons.Push");
             pushTag.IsEnabled = Remotes.Count > 0;
-            pushTag.Click += (o, ev) =>
+            pushTag.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new PushTag(this, tag));
@@ -1719,7 +1750,7 @@ namespace SourceGit.ViewModels
             var deleteTag = new MenuItem();
             deleteTag.Header = new Views.NameHighlightedTextBlock("TagCM.Delete", tag.Name);
             deleteTag.Icon = App.CreateMenuIcon("Icons.Clear");
-            deleteTag.Click += (o, ev) =>
+            deleteTag.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteTag(this, tag));
@@ -1729,7 +1760,7 @@ namespace SourceGit.ViewModels
             var archive = new MenuItem();
             archive.Icon = App.CreateMenuIcon("Icons.Archive");
             archive.Header = App.Text("Archive");
-            archive.Click += (o, ev) =>
+            archive.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new Archive(this, tag));
@@ -1739,7 +1770,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("TagCM.Copy");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, ev) =>
+            copy.Click += (_, ev) =>
             {
                 App.CopyText(tag.Name);
                 ev.Handled = true;
@@ -1762,7 +1793,7 @@ namespace SourceGit.ViewModels
             var open = new MenuItem();
             open.Header = App.Text("Submodule.Open");
             open.Icon = App.CreateMenuIcon("Icons.Folder.Open");
-            open.Click += (o, ev) =>
+            open.Click += (_, ev) =>
             {
                 OpenSubmodule(submodule);
                 ev.Handled = true;
@@ -1771,7 +1802,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("Submodule.CopyPath");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, ev) =>
+            copy.Click += (_, ev) =>
             {
                 App.CopyText(submodule);
                 ev.Handled = true;
@@ -1780,7 +1811,7 @@ namespace SourceGit.ViewModels
             var rm = new MenuItem();
             rm.Header = App.Text("Submodule.Remove");
             rm.Icon = App.CreateMenuIcon("Icons.Clear");
-            rm.Click += (o, ev) =>
+            rm.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DeleteSubmodule(this, submodule));
@@ -1803,7 +1834,7 @@ namespace SourceGit.ViewModels
                 var unlock = new MenuItem();
                 unlock.Header = App.Text("Worktree.Unlock");
                 unlock.Icon = App.CreateMenuIcon("Icons.Unlock");
-                unlock.Click += (o, ev) =>
+                unlock.Click += (_, ev) =>
                 {
                     SetWatcherEnabled(false);
                     var succ = new Commands.Worktree(_fullpath).Unlock(worktree.FullPath);
@@ -1819,7 +1850,7 @@ namespace SourceGit.ViewModels
                 var loc = new MenuItem();
                 loc.Header = App.Text("Worktree.Lock");
                 loc.Icon = App.CreateMenuIcon("Icons.Lock");
-                loc.Click += (o, ev) =>
+                loc.Click += (_, ev) =>
                 {
                     SetWatcherEnabled(false);
                     var succ = new Commands.Worktree(_fullpath).Lock(worktree.FullPath);
@@ -1834,7 +1865,7 @@ namespace SourceGit.ViewModels
             var remove = new MenuItem();
             remove.Header = App.Text("Worktree.Remove");
             remove.Icon = App.CreateMenuIcon("Icons.Clear");
-            remove.Click += (o, ev) =>
+            remove.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new RemoveWorktree(this, worktree));
@@ -1845,7 +1876,7 @@ namespace SourceGit.ViewModels
             var copy = new MenuItem();
             copy.Header = App.Text("Worktree.CopyPath");
             copy.Icon = App.CreateMenuIcon("Icons.Copy");
-            copy.Click += (o, e) =>
+            copy.Click += (_, e) =>
             {
                 App.CopyText(worktree.FullPath);
                 e.Handled = true;
@@ -1875,12 +1906,16 @@ namespace SourceGit.ViewModels
                     target.Icon = App.CreateMenuIcon(b.IsCurrent ? "Icons.Check" : "Icons.Branch");
                     target.Click += (_, e) =>
                     {
+                        var topLevel = App.GetTopLevel() as Window;
+                        if (topLevel == null)
+                            return;
+
                         var wnd = new Views.BranchCompare()
                         {
                             DataContext = new BranchCompare(FullPath, branch, dup)
                         };
 
-                        wnd.Show(App.GetTopLevel() as Window);
+                        wnd.Show(topLevel);
                         e.Handled = true;
                     };
 
@@ -1948,6 +1983,7 @@ namespace SourceGit.ViewModels
         private object _selectedView = null;
 
         private bool _isSearching = false;
+        private bool _isSearchLoadingVisible = false;
         private int _searchCommitFilterType = 0;
         private string _searchCommitFilter = string.Empty;
         private List<Models.Commit> _searchedCommits = new List<Models.Commit>();

src/ViewModels/RevisionCompare.cs

@@ -209,8 +209,8 @@ namespace SourceGit.ViewModels
             }
         }
 
-        private string _repo = string.Empty;
+        private string _repo;
-        private string _endPoint = string.Empty;
+        private string _endPoint;
         private List<Models.Change> _changes = null;
         private List<Models.Change> _visibleChanges = null;
         private List<Models.Change> _selectedChanges = null;

src/ViewModels/RevisionFileTreeNode.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.IO;
+
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace SourceGit.ViewModels
+{
+    public class RevisionFileTreeNode : ObservableObject
+    {
+        public Models.Object Backend { get; set; } = null;
+        public int Depth { get; set; } = 0;
+        public List<RevisionFileTreeNode> Children { get; set; } = new List<RevisionFileTreeNode>();
+
+        public string Name
+        {
+            get => Backend == null ? string.Empty : Path.GetFileName(Backend.Path);
+        }
+
+        public bool IsFolder
+        {
+            get => Backend != null && Backend.Type == Models.ObjectType.Tree;
+        }
+
+        public bool IsExpanded
+        {
+            get => _isExpanded;
+            set => SetProperty(ref _isExpanded, value);
+        }
+
+        private bool _isExpanded = false;
+    }
+}

src/ViewModels/Reword.cs

@@ -45,8 +45,8 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private string _message = string.Empty;
+        private string _message;
-        private string _oldMessage = string.Empty;
+        private string _oldMessage;
     }
 }

src/ViewModels/Squash.cs

@@ -49,7 +49,7 @@ namespace SourceGit.ViewModels
             });
         }
 
-        private readonly Repository _repo = null;
+        private readonly Repository _repo;
-        private string _message = string.Empty;
+        private string _message;
     }
 }

src/ViewModels/StashChanges.cs

@@ -5,7 +5,6 @@ namespace SourceGit.ViewModels
 {
     public class StashChanges : Popup
     {
-
         public string Message
         {
             get;

src/ViewModels/StashesPage.cs

@@ -119,7 +119,7 @@ namespace SourceGit.ViewModels
 
             var apply = new MenuItem();
             apply.Header = App.Text("StashCM.Apply");
-            apply.Click += (o, ev) =>
+            apply.Click += (_, ev) =>
             {
                 Task.Run(() => new Commands.Stash(_repo.FullPath).Apply(stash.Name));
                 ev.Handled = true;
@@ -127,7 +127,7 @@ namespace SourceGit.ViewModels
 
             var pop = new MenuItem();
             pop.Header = App.Text("StashCM.Pop");
-            pop.Click += (o, ev) =>
+            pop.Click += (_, ev) =>
             {
                 Task.Run(() => new Commands.Stash(_repo.FullPath).Pop(stash.Name));
                 ev.Handled = true;
@@ -135,7 +135,7 @@ namespace SourceGit.ViewModels
 
             var drop = new MenuItem();
             drop.Header = App.Text("StashCM.Drop");
-            drop.Click += (o, ev) =>
+            drop.Click += (_, ev) =>
             {
                 if (PopupHost.CanCreatePopup())
                     PopupHost.ShowPopup(new DropStash(_repo.FullPath, stash));

src/ViewModels/Statistics.cs

@@ -32,11 +32,9 @@ namespace SourceGit.ViewModels
 
         public Statistics(string repo)
         {
-            _repo = repo;
-
             Task.Run(() =>
             {
-                var result = new Commands.Statistics(_repo).Result();
+                var result = new Commands.Statistics(repo).Result();
                 Dispatcher.UIThread.Invoke(() =>
                 {
                     _data = result;
@@ -65,7 +63,6 @@ namespace SourceGit.ViewModels
             }
         }
 
-        private readonly string _repo = string.Empty;
         private bool _isLoading = true;
         private Models.Statistics _data = null;
         private Models.StatisticsReport _selectedReport = null;

src/ViewModels/TwoSideTextDiff.cs

@@ -6,7 +6,7 @@ namespace SourceGit.ViewModels
 {
     public class TwoSideTextDiff : ObservableObject
     {
-        public string File { get; set; } = string.Empty;
+        public string File { get; set; }
         public List<Models.TextDiffLine> Old { get; set; } = new List<Models.TextDiffLine>();
         public List<Models.TextDiffLine> New { get; set; } = new List<Models.TextDiffLine>();
         public int MaxLineNumber = 0;

src/ViewModels/Welcome.cs

@@ -1,5 +1,5 @@
 using System;
-
+using Avalonia;
 using Avalonia.Collections;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
@@ -49,13 +49,10 @@ namespace SourceGit.ViewModels
                 return;
             }
 
-            if (PopupHost.CanCreatePopup())
+            if (PopupHost.CanCreatePopup() &&
+                Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { DataContext: Launcher launcher } })
             {
-                if (App.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+                PopupHost.ShowPopup(new Clone(launcher));
-                {
-                    var launcher = desktop.MainWindow.DataContext as Launcher;
-                    PopupHost.ShowPopup(new Clone(launcher));
-                }
             }
         }
 
@@ -98,9 +95,9 @@ namespace SourceGit.ViewModels
                 openAll.Icon = App.CreateMenuIcon("Icons.Folder.Open");
                 openAll.Click += (_, e) =>
                 {
-                    if (App.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+                    if (PopupHost.CanCreatePopup() &&
+                        Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { DataContext: Launcher launcher } })
                     {
-                        var launcher = desktop.MainWindow.DataContext as Launcher;
                         OpenAllInNode(launcher, node);
                     }
 

src/ViewModels/WorkingCopy.cs

@@ -44,7 +44,7 @@ namespace SourceGit.ViewModels
                 if (_repo.IncludeUntracked != value)
                 {
                     _repo.IncludeUntracked = value;
-                    OnPropertyChanged(nameof(IncludeUntracked));
+                    OnPropertyChanged();
                 }
             }
         }
@@ -286,12 +286,16 @@ namespace SourceGit.ViewModels
 
         public void OpenAssumeUnchanged()
         {
+            var toplevel = App.GetTopLevel() as Window;
+            if (toplevel == null)
+                return;
+
             var dialog = new Views.AssumeUnchangedManager()
             {
                 DataContext = new AssumeUnchangedManager(_repo.FullPath)
             };
 
-            dialog.ShowDialog(App.GetTopLevel() as Window);
+            dialog.ShowDialog(toplevel);
         }
 
         public void StageSelected()
@@ -634,7 +638,7 @@ namespace SourceGit.ViewModels
                                 lfsTrackByExtension.Header = App.Text("GitLFS.TrackByExtension", extension);
                                 lfsTrackByExtension.Click += async (_, e) =>
                                 {
-                                    var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Track("*" + extension, false));
+                                    var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Track("*" + extension));
                                     if (succ)
                                         App.SendNotification(_repo.FullPath, $"Tracking all *{extension} files successfully!");
 
@@ -644,7 +648,7 @@ namespace SourceGit.ViewModels
                             }
 
                             lfs.Items.Add(new MenuItem() { Header = "-" });
-                        }                        
+                        }
 
                         var lfsLock = new MenuItem();
                         lfsLock.Header = App.Text("GitLFS.Locks.Lock");
@@ -652,7 +656,7 @@ namespace SourceGit.ViewModels
                         lfsLock.IsEnabled = _repo.Remotes.Count > 0;
                         if (_repo.Remotes.Count == 1)
                         {
-                            lfsLock.Click += async (o, e) =>
+                            lfsLock.Click += async (_, e) =>
                             {
                                 var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Lock(_repo.Remotes[0].Name, change.Path));
                                 if (succ)
@@ -668,7 +672,7 @@ namespace SourceGit.ViewModels
                                 var remoteName = remote.Name;
                                 var lockRemote = new MenuItem();
                                 lockRemote.Header = remoteName;
-                                lockRemote.Click += async (o, e) =>
+                                lockRemote.Click += async (_, e) =>
                                 {
                                     var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Lock(remoteName, change.Path));
                                     if (succ)
@@ -678,7 +682,7 @@ namespace SourceGit.ViewModels
                                 };
                                 lfsLock.Items.Add(lockRemote);
                             }
-                        }                        
+                        }
                         lfs.Items.Add(lfsLock);
 
                         var lfsUnlock = new MenuItem();
@@ -687,7 +691,7 @@ namespace SourceGit.ViewModels
                         lfsUnlock.IsEnabled = _repo.Remotes.Count > 0;
                         if (_repo.Remotes.Count == 1)
                         {
-                            lfsUnlock.Click += async (o, e) =>
+                            lfsUnlock.Click += async (_, e) =>
                             {
                                 var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Unlock(_repo.Remotes[0].Name, change.Path, false));
                                 if (succ)
@@ -703,7 +707,7 @@ namespace SourceGit.ViewModels
                                 var remoteName = remote.Name;
                                 var unlockRemote = new MenuItem();
                                 unlockRemote.Header = remoteName;
-                                unlockRemote.Click += async (o, e) =>
+                                unlockRemote.Click += async (_, e) =>
                                 {
                                     var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Unlock(remoteName, change.Path, false));
                                     if (succ)
@@ -713,7 +717,7 @@ namespace SourceGit.ViewModels
                                 };
                                 lfsUnlock.Items.Add(unlockRemote);
                             }
-                        }                        
+                        }
                         lfs.Items.Add(lfsUnlock);
 
                         menu.Items.Add(lfs);
@@ -823,7 +827,7 @@ namespace SourceGit.ViewModels
                 var patch = new MenuItem();
                 patch.Header = App.Text("FileCM.SaveAsPatch");
                 patch.Icon = App.CreateMenuIcon("Icons.Diff");
-                patch.Click += async (o, e) =>
+                patch.Click += async (_, e) =>
                 {
                     var topLevel = App.GetTopLevel();
                     if (topLevel == null)
@@ -869,7 +873,7 @@ namespace SourceGit.ViewModels
                 explore.IsEnabled = File.Exists(path) || Directory.Exists(path);
                 explore.Header = App.Text("RevealFile");
                 explore.Icon = App.CreateMenuIcon("Icons.Folder.Open");
-                explore.Click += (o, e) =>
+                explore.Click += (_, e) =>
                 {
                     Native.OS.OpenInFileManager(path, true);
                     e.Handled = true;
@@ -888,7 +892,7 @@ namespace SourceGit.ViewModels
                 var unstage = new MenuItem();
                 unstage.Header = App.Text("FileCM.Unstage");
                 unstage.Icon = App.CreateMenuIcon("Icons.File.Remove");
-                unstage.Click += (o, e) =>
+                unstage.Click += (_, e) =>
                 {
                     UnstageChanges(_selectedStaged);
                     e.Handled = true;
@@ -917,7 +921,7 @@ namespace SourceGit.ViewModels
                 var patch = new MenuItem();
                 patch.Header = App.Text("FileCM.SaveAsPatch");
                 patch.Icon = App.CreateMenuIcon("Icons.Diff");
-                patch.Click += async (o, e) =>
+                patch.Click += async (_, e) =>
                 {
                     var topLevel = App.GetTopLevel();
                     if (topLevel == null)
@@ -942,7 +946,7 @@ namespace SourceGit.ViewModels
                 var copyPath = new MenuItem();
                 copyPath.Header = App.Text("CopyPath");
                 copyPath.Icon = App.CreateMenuIcon("Icons.Copy");
-                copyPath.Click += (o, e) =>
+                copyPath.Click += (_, e) =>
                 {
                     App.CopyText(change.Path);
                     e.Handled = true;
@@ -979,7 +983,7 @@ namespace SourceGit.ViewModels
                     lfsLock.IsEnabled = _repo.Remotes.Count > 0;
                     if (_repo.Remotes.Count == 1)
                     {
-                        lfsLock.Click += async (o, e) =>
+                        lfsLock.Click += async (_, e) =>
                         {
                             var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Lock(_repo.Remotes[0].Name, change.Path));
                             if (succ)
@@ -995,7 +999,7 @@ namespace SourceGit.ViewModels
                             var remoteName = remote.Name;
                             var lockRemote = new MenuItem();
                             lockRemote.Header = remoteName;
-                            lockRemote.Click += async (o, e) =>
+                            lockRemote.Click += async (_, e) =>
                             {
                                 var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Lock(remoteName, change.Path));
                                 if (succ)
@@ -1005,7 +1009,7 @@ namespace SourceGit.ViewModels
                             };
                             lfsLock.Items.Add(lockRemote);
                         }
-                    }                    
+                    }
                     lfs.Items.Add(lfsLock);
 
                     var lfsUnlock = new MenuItem();
@@ -1014,7 +1018,7 @@ namespace SourceGit.ViewModels
                     lfsUnlock.IsEnabled = _repo.Remotes.Count > 0;
                     if (_repo.Remotes.Count == 1)
                     {
-                        lfsUnlock.Click += async (o, e) =>
+                        lfsUnlock.Click += async (_, e) =>
                         {
                             var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Unlock(_repo.Remotes[0].Name, change.Path, false));
                             if (succ)
@@ -1030,7 +1034,7 @@ namespace SourceGit.ViewModels
                             var remoteName = remote.Name;
                             var unlockRemote = new MenuItem();
                             unlockRemote.Header = remoteName;
-                            unlockRemote.Click += async (o, e) =>
+                            unlockRemote.Click += async (_, e) =>
                             {
                                 var succ = await Task.Run(() => new Commands.LFS(_repo.FullPath).Unlock(remoteName, change.Path, false));
                                 if (succ)
@@ -1040,7 +1044,7 @@ namespace SourceGit.ViewModels
                             };
                             lfsUnlock.Items.Add(unlockRemote);
                         }
-                    }                    
+                    }
                     lfs.Items.Add(lfsUnlock);
 
                     menu.Items.Add(lfs);
@@ -1055,7 +1059,7 @@ namespace SourceGit.ViewModels
                 var unstage = new MenuItem();
                 unstage.Header = App.Text("FileCM.UnstageMulti", _selectedStaged.Count);
                 unstage.Icon = App.CreateMenuIcon("Icons.File.Remove");
-                unstage.Click += (o, e) =>
+                unstage.Click += (_, e) =>
                 {
                     UnstageChanges(_selectedStaged);
                     e.Handled = true;
@@ -1140,7 +1144,7 @@ namespace SourceGit.ViewModels
 
                 var item = new MenuItem();
                 item.Header = dump;
-                item.Click += (o, e) =>
+                item.Click += (_, e) =>
                 {
                     CommitMessage = dump;
                     e.Handled = true;

src/Views/About.axaml

@@ -2,7 +2,6 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-                    xmlns:vm="using:SourceGit.ViewModels"
                     xmlns:v="using:SourceGit.Views"
                     mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
                     x:Class="SourceGit.Views.About"
@@ -30,7 +29,7 @@
         <Button Classes="caption_button_macos" Click="CloseWindow">
           <Grid>
             <Ellipse Fill="{DynamicResource Brush.MacOS.Close}"/>
-            <Path Height="6" Width="6" Stretch="Fill" Fill="#404040" Stroke="#404040" StrokeThickness="1" Data="{StaticResource Icons.Window.Close}"/>
+            <Path Height="6" Width="6" Stretch="Fill" Fill="#505050" Data="{StaticResource Icons.MacOS.Close}"/>
           </Grid>
         </Button>
       </Grid>

src/Views/About.axaml.cs

@@ -16,40 +16,42 @@ namespace SourceGit.Views
         public About()
         {
             var ver = Assembly.GetExecutingAssembly().GetName().Version;
-            Version = $"{ver.Major}.{ver.Minor}";
+            if (ver != null)
+                Version = $"{ver.Major}.{ver.Minor}";
+
             DataContext = this;
             InitializeComponent();
         }
 
-        private void BeginMoveWindow(object sender, PointerPressedEventArgs e)
+        private void BeginMoveWindow(object _, PointerPressedEventArgs e)
         {
             BeginMoveDrag(e);
         }
 
-        private void CloseWindow(object sender, RoutedEventArgs e)
+        private void CloseWindow(object _1, RoutedEventArgs _2)
         {
             Close();
         }
 
-        private void OnVisitAvaloniaUI(object sender, PointerPressedEventArgs e)
+        private void OnVisitAvaloniaUI(object _, PointerPressedEventArgs e)
         {
             Native.OS.OpenBrowser("https://www.avaloniaui.net/");
             e.Handled = true;
         }
 
-        private void OnVisitAvaloniaEdit(object sender, PointerPressedEventArgs e)
+        private void OnVisitAvaloniaEdit(object _, PointerPressedEventArgs e)
         {
             Native.OS.OpenBrowser("https://github.com/AvaloniaUI/AvaloniaEdit");
             e.Handled = true;
         }
 
-        private void OnVisitJetBrainsMonoFont(object sender, PointerPressedEventArgs e)
+        private void OnVisitJetBrainsMonoFont(object _, PointerPressedEventArgs e)
         {
             Native.OS.OpenBrowser("https://www.jetbrains.com/lp/mono/");
             e.Handled = true;
         }
 
-        private void OnVisitSourceCode(object sender, PointerPressedEventArgs e)
+        private void OnVisitSourceCode(object _, PointerPressedEventArgs e)
         {
             Native.OS.OpenBrowser("https://github.com/sourcegit-scm/sourcegit");
             e.Handled = true;

src/Views/AddRemote.axaml

@@ -2,10 +2,8 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:v="using:SourceGit.Views"
-             xmlns:c="using:SourceGit.Converters"
              mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
              x:Class="SourceGit.Views.AddRemote"
              x:DataType="vm:AddRemote">
@@ -44,7 +42,7 @@
                  Text="{DynamicResource Text.SSHKey}"
                  IsVisible="{Binding UseSSH}"/>
       <TextBox Grid.Row="2" Grid.Column="1"
-               x:Name="txtSSHKey"
+               x:Name="TxtSshKey"
                Height="28"
                CornerRadius="3"
                IsVisible="{Binding UseSSH}"

src/Views/AddRemote.axaml.cs

@@ -11,15 +11,21 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private async void SelectSSHKey(object sender, RoutedEventArgs e)
+        private async void SelectSSHKey(object _, RoutedEventArgs e)
         {
-            var options = new FilePickerOpenOptions() { AllowMultiple = false, FileTypeFilter = [new FilePickerFileType("SSHKey") { Patterns = ["*.*"] }] };
             var toplevel = TopLevel.GetTopLevel(this);
+            if (toplevel == null)
+                return;
+
+            var options = new FilePickerOpenOptions()
+            {
+                AllowMultiple = false,
+                FileTypeFilter = [new FilePickerFileType("SSHKey") { Patterns = ["*.*"] }]
+            };
+
             var selected = await toplevel.StorageProvider.OpenFilePickerAsync(options);
             if (selected.Count == 1)
-            {
+                TxtSshKey.Text = selected[0].Path.LocalPath;
-                txtSSHKey.Text = selected[0].Path.LocalPath;
-            }
 
             e.Handled = true;
         }

src/Views/AddSubmodule.axaml

@@ -2,10 +2,8 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:v="using:SourceGit.Views"
-             xmlns:c="using:SourceGit.Converters"
              mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
              x:Class="SourceGit.Views.AddSubmodule"
              x:DataType="vm:AddSubmodule">