Use actual version of the Npgsql for ActivitySource (#6277)

KeterSCP · web-flow · commit cc310e6191ab · 2025-10-30T10:04:14.000+01:00
diff --git a/src/Npgsql/NpgsqlActivitySource.cs b/src/Npgsql/NpgsqlActivitySource.cs
@@ -4,12 +4,13 @@
 using System.Diagnostics;
 using System.Net;
 using System.Net.Sockets;
+using System.Reflection;
 
 namespace Npgsql;
 
 static class NpgsqlActivitySource
 {
-    static readonly ActivitySource Source = new("Npgsql", "0.2.0");
+    static readonly ActivitySource Source = new("Npgsql", GetLibraryVersion());
 
     internal static bool IsEnabled => Source.HasListeners();
 
@@ -143,4 +144,9 @@ internal static void SetException(Activity activity, Exception ex, bool escaped
         activity.SetStatus(ActivityStatusCode.Error, statusDescription);
         activity.Dispose();
     }
+
+    static string GetLibraryVersion()
+        => typeof(NpgsqlDataSource).Assembly
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+            .InformationalVersion ?? "UNKNOWN";
 }
