release: Fix packages not being deleted.

Author: Aetopia

src/Flarial.Launcher.Runtime/Versions/VersionItem.cs

@@ -30,7 +30,15 @@ public virtual async Task InstallAsync(Action<int, bool> callback)
             throw new Win32Exception((int)ERROR_UNSIGNED_PACKAGE_INVALID_CONTENT);
 
         var path = Path.Combine(s_path, Path.GetRandomFileName());
-        await HttpService.DownloadAsync(await GetUriAsync(), path, (_) => callback(_, false));
-        await Task.Run(() => PackageService.Add(new(path), _ => callback(_, true)));
+        try
+        {
+            await HttpService.DownloadAsync(await GetUriAsync(), path, (_) => callback(_, false));
+            await Task.Run(() => PackageService.Add(new(path), _ => callback(_, true)));
+        }
+        finally
+        {
+            try { File.Delete(path); }
+            catch { }
+        }
     }
 }

src/Flarial.Launcher/Interface/Dialogs/UnsignedInstallDialog.cs

@@ -43,7 +43,6 @@ internal async Task<ContentDialogResult> PromptAsync()
     internal static LaunchFailureDialog LaunchFailure => field ??= new();
     internal static SelectVersionDialog SelectVersion => field ??= new();
     internal static InstallVersionDialog InstallVersion => field ??= new();
-    internal static UnsignedInstallDialog UnsignedInstall => field ??= new();
     internal static InvalidCustomDllDialog InvalidCustomDll => field ??= new();
     internal static ConnectionFailureDialog ConnectionFailure => field ??= new();
     internal static UnpackagedInstallDialog UnpackagedInstall => field ??= new();

src/Flarial.Launcher/Interface/MainDialog.cs

@@ -115,12 +115,6 @@ async void OnButtonClick(object sender, RoutedEventArgs args)
                 return;
             }
 
-            if (!Minecraft.IsPackaged)
-            {
-                if (!await MainDialog.UnsignedInstall.ShowAsync())
-                    return;
-            }
-
             if (!custom && !registry.IsSupported)
             {
                 switch (await UnsupportedVersion.PromptAsync())