fixes

ModpackUpdater.Apps.Client/Form1.cs

@@ -144,7 +144,10 @@ public partial class Form1
 
     private async Task ExecuteUpdate(bool doInstall)
     {
-        var updater = new ModpackInstaller(updateConfig, modpackInfo);
+        var updater = new ModpackInstaller(updateConfig, modpackInfo)
+        {
+            OverwriteRefTag = Program.Options.RefTag
+        };
         updater.InstallProgessUpdated += Update_InstallProgessUpdated;
         updater.CheckingProgressUpdated += Updated_CheckingProgresssUpdated;
 

ModpackUpdater.Apps.Client/Program.cs

@@ -18,6 +18,8 @@ public static class Program
 
     public static ILogger Log => log;
 
+    internal static Options Options { get; private set; }
+
     [DllImport("kernel32.dll")]
     static extern nint GetConsoleWindow();
 
@@ -33,15 +35,15 @@ public static class Program
     [STAThread]
     internal static void Main(string[] args)
     {
-        var options = new Options(args);
-        if (options.Help)
-            options.DrawHelp();
-        else if (options.NoUi)
-            InstallWithoutGui(options.UpdateOptions, options.Silent);
+        Options = new Options(args);
+        if (Options.Help)
+            Options.DrawHelp();
+        else if (Options.NoUi)
+            InstallWithoutGui(Options.UpdateOptions, Options.Silent);
         else
         {
             ShowWindow(GetConsoleWindow(), 0);
-            RunApp(options.UpdateOptions);
+            RunApp(Options.UpdateOptions);
         }
     }
 
@@ -103,6 +105,7 @@ public static class Program
         // Check for update
         var installer = new ModpackInstaller(config, info)
         {
+            OverwriteRefTag = Options.RefTag,
             Log = Log,
         };
         var result = installer.Check(updateOptions).Result;