Build verified Linux release packages

godot/Main.PackageSmoke.cs

@@ -0,0 +1,32 @@
+using System;
+using Godot;
+
+public partial class Main
+{
+    private void RunPackageSmoke()
+    {
+        try
+        {
+            if (!OS.HasFeature("linux"))
+                throw new PlatformNotSupportedException("the packaged-runtime smoke gate requires Linux");
+            var table = HimegariRuntimeMetadata.LoadOpcodeTable();
+            if (table.Count != 548)
+                throw new InvalidOperationException(
+                    $"embedded opcode table has {table.Count} entries; expected 548");
+            if (!table.TryGet(0x55, out string label, out int argc)
+                || label != "mov" || argc != 2)
+                throw new InvalidOperationException("embedded opcode 0x55 metadata is invalid");
+            uint ffmpegAbi = FfmpegMovieNative.AbiVersion();
+            if (ffmpegAbi != 3)
+                throw new InvalidOperationException(
+                    $"native FFmpeg shim ABI is {ffmpegAbi}; expected 3");
+            GD.Print($"PACKAGE SMOKE OK: opcodes={table.Count} ffmpeg-abi={ffmpegAbi}");
+            GetTree().Quit(0);
+        }
+        catch (Exception error)
+        {
+            GD.PushError($"[package-smoke] {error}");
+            GetTree().Quit(1);
+        }
+    }
+}