From 01fc5606cba1e4fea80613f02331ea58909b4bf9 Mon Sep 17 00:00:00 2001
From: Pilzinsel64 <pilzinsel64@gmx.de>
Date: Mon, 21 Apr 2025 20:50:16 +0200
Subject: [PATCH] add reftag commandline argument

---
 ModpackUpdater.Apps.Client/Options.cs      |  2 ++
 ModpackUpdater.Manager/Extensions.cs       | 20 ++++++++++++--------
 ModpackUpdater.Manager/ModpackInstaller.cs |  5 +++--
 3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/ModpackUpdater.Apps.Client/Options.cs b/ModpackUpdater.Apps.Client/Options.cs
index 74289f7..e8f7076 100644
--- a/ModpackUpdater.Apps.Client/Options.cs
+++ b/ModpackUpdater.Apps.Client/Options.cs
@@ -11,6 +11,7 @@ internal class Options
     public bool Help { get; private set; }
     public bool Silent { get; private set; }
     public bool NoUi { get; private set; }
+    public string RefTag { get; private set; }
     public UpdateCheckOptionsAdv UpdateOptions { get; } = new();
 
     public Options(string[] args)
@@ -28,6 +29,7 @@ internal class Options
             { "m|maintenance", "Ignores the maintenance mode.", m => UpdateOptions.IgnoreMaintenance = true},
             { "i|nonpublic", "Include non public (currently hidden) updates.", i => UpdateOptions.IncludeNonPublic = true},
             { "k|key=", "An key for retriving extra files on updates.", k => UpdateOptions.ExtrasKey = k},
+            { "r|reftag=", "Force uses a specific version, if supported.", r => RefTag = r},
         };
 
         additionals.AddRange(options.Parse(args));
diff --git a/ModpackUpdater.Manager/Extensions.cs b/ModpackUpdater.Manager/Extensions.cs
index 2c25730..2c7f21b 100644
--- a/ModpackUpdater.Manager/Extensions.cs
+++ b/ModpackUpdater.Manager/Extensions.cs
@@ -48,17 +48,21 @@ public static class Extensions
         return @this.SourceUrl.Replace("{version}", version.ToString(3));
     }
 
-    public static string GetInstallUrl(this ModpackConfig @this)
+    public static string GetInstallUrl(this ModpackConfig @this, string? overwriteRefTag = null)
     {
-        if (string.IsNullOrWhiteSpace(@this.RefTag))
-            return @this.InstallUrl;
-        return @this.InstallUrl.Replace("{ref}", @this.RefTag);
+        if (!string.IsNullOrWhiteSpace(overwriteRefTag))
+            return @this.InstallUrl.Replace("{ref}", overwriteRefTag);
+        if (!string.IsNullOrWhiteSpace(@this.RefTag))
+                return @this.InstallUrl.Replace("{ref}", @this.RefTag);
+        return @this.InstallUrl;
     }
 
-    public static string GetUpdateUrl(this ModpackConfig @this)
+    public static string GetUpdateUrl(this ModpackConfig @this, string? overwriteRefTag = null)
     {
-        if (string.IsNullOrWhiteSpace(@this.RefTag))
-            return @this.UpdateUrl;
-        return @this.UpdateUrl.Replace("{ref}", @this.RefTag);
+        if (!string.IsNullOrWhiteSpace(overwriteRefTag))
+            return @this.UpdateUrl.Replace("{ref}", overwriteRefTag);
+        if (!string.IsNullOrWhiteSpace(@this.RefTag))
+            return @this.UpdateUrl.Replace("{ref}", @this.RefTag);
+        return @this.UpdateUrl;
     }
 }
\ No newline at end of file
diff --git a/ModpackUpdater.Manager/ModpackInstaller.cs b/ModpackUpdater.Manager/ModpackInstaller.cs
index 26c3847..7b3dc6c 100644
--- a/ModpackUpdater.Manager/ModpackInstaller.cs
+++ b/ModpackUpdater.Manager/ModpackInstaller.cs
@@ -21,6 +21,7 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
     public delegate void CheckingProgressUpdatedEventHandler(int toCheck, int processed);
 
     public ILogger Log { get; set; } = NullLogger.Instance;
+    public string? OverwriteRefTag { get; set; }
 
     private readonly HttpClient http = new();
     private readonly ModpackFactory factory = new();
@@ -32,13 +33,13 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
 
     private async Task<UpdateInfos> DownloadUpdateInfos()
     {
-        var content = await http.GetStringAsync(updateConfig.GetUpdateUrl());
+        var content = await http.GetStringAsync(updateConfig.GetUpdateUrl(overwriteRefTag: OverwriteRefTag));
         return UpdateInfos.Parse(content);
     }
 
     private async Task<InstallInfos> DownloadInstallInfos()
     {
-        var content = await http.GetStringAsync(updateConfig.GetInstallUrl());
+        var content = await http.GetStringAsync(updateConfig.GetInstallUrl(overwriteRefTag: OverwriteRefTag));
         return InstallInfos.Parse(content);
     }