[verified] Publish ReelBox source under GPLv3

tool/test_release_version.py

@@ -0,0 +1,25 @@
+"""A stale delivered APK must not pass the current-release gate."""
+import os
+from pathlib import Path
+import subprocess
+import sys
+import tempfile
+import unittest
+
+
+class ReleaseVersionTests(unittest.TestCase):
+    def test_previous_apk_is_rejected_for_current_source_version(self):
+        root = Path(__file__).resolve().parents[1]
+        old = root.parent / 'reelbox-delivery/reelbox-0.2.0-arm64.apk'
+        if not old.exists():
+            self.skipTest('Previous delivery not available on this verification host')
+        with tempfile.TemporaryDirectory(dir=os.environ.get('TMPDIR')) as temp:
+            result = subprocess.run([sys.executable, str(root / 'tool/verify_apk.py'),
+                                     str(old), '--output-dir', temp],
+                                    capture_output=True, text=True)
+            self.assertNotEqual(result.returncode, 0, 'Verifier accepted the stale 0.2.0 APK for 0.3.0 source')
+            self.assertIn('Wrong package/version', result.stderr)
+
+
+if __name__ == '__main__':
+    unittest.main()