add main thread exception handling

SPTInstaller/App.axaml.cs

@@ -1,4 +1,5 @@
-using Avalonia;
+using System.Linq;
+using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
 using ReactiveUI;
@@ -36,6 +37,12 @@ public partial class App : Application
     {
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
+            if (desktop.Args != null && desktop.Args.Any(x => x.ToLower() == "debug"))
+            {
+                System.Diagnostics.Trace.Listeners.Add(new SerilogTraceListener.SerilogTraceListener());
+                Log.Debug("TraceListener is registered");
+            }
+            
             desktop.MainWindow = new MainWindow
             {
                 DataContext = new MainWindowViewModel(),

SPTInstaller/Models/InstallerUpdateInfo.cs

@@ -99,8 +99,13 @@ public class InstallerUpdateInfo : ReactiveObject
         return file.FullName;
     }
 
-    private void EndCheck(string infoText, bool updateAvailable)
+    private void EndCheck(string infoText, bool updateAvailable, bool log = true)
     {
+        if (log)
+        {
+            Log.Information(infoText);
+        }
+        
         UpdateInfoText = infoText;
 
         if (!updateAvailable)
@@ -138,7 +143,7 @@ public class InstallerUpdateInfo : ReactiveObject
 
             if (releases == null || releases.Count == 0)
             {
-                EndCheck("No updates available", false);
+                EndCheck("No releases available", false);
                 return;
             }
 
@@ -146,7 +151,7 @@ public class InstallerUpdateInfo : ReactiveObject
 
             if (latest == null)
             {
-                EndCheck("No updates available", false);
+                EndCheck("could not get latest release", false);
                 return;
             }
 
@@ -168,7 +173,7 @@ public class InstallerUpdateInfo : ReactiveObject
         }
         catch (Exception ex)
         {
-            EndCheck(ex.Message, false);
+            EndCheck(ex.Message, false, false);
             Log.Error(ex, "Failed to check for updates");
         }
 

SPTInstaller/Program.cs

@@ -10,6 +10,7 @@ using SPTInstaller.Interfaces;
 using SPTInstaller.Models;
 using System.Linq;
 using System.Reflection;
+using Serilog;
 
 namespace SPTInstaller;
 
@@ -19,8 +20,18 @@ internal class Program
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
     // yet and stuff might break.
     [STAThread]
-    public static void Main(string[] args) => BuildAvaloniaApp()
-        .StartWithClassicDesktopLifetime(args);
+    public static void Main(string[] args)
+    {
+        try
+        {
+            BuildAvaloniaApp()
+                .StartWithClassicDesktopLifetime(args);
+        }
+        catch (Exception ex)
+        {
+            Log.Fatal(ex, "Installer closed unexpectedly");
+        }
+    }
 
     // Avalonia configuration, don't remove; also used by visual designer.
     public static AppBuilder BuildAvaloniaApp()

SPTInstaller/SPTInstaller.csproj

@@ -41,6 +41,7 @@
     <PackageReference Include="MegaApiClient" Version="1.10.3" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
+    <PackageReference Include="SerilogTraceListener" Version="3.2.0" />
     <PackageReference Include="SharpCompress" Version="0.34.0" />
     <PackageReference Include="System.Reactive" Version="6.0.0" />
   </ItemGroup>