fix: verify GHCR release manifests when tag listing is huge

cc-ci-plan/test-resolve-images.py

@@ -33,6 +33,23 @@ class TestResolverCoverage(unittest.TestCase):
                 row = resolver.resolve("example:1.2.3")
         self.assertTrue(row["status"].startswith("unverifiable:"))
 
+    def test_huge_ghcr_listing_uses_only_published_release_manifests(self):
+        ref = "ghcr.io/immich-app/immich-machine-learning:v3.3.5"
+        with mock.patch.object(resolver, "list_tags", return_value=([], "RuntimeError: tag listing truncated")), \
+             mock.patch.object(resolver, "github_release_tags",
+                               return_value=["v3.3.6", "v3.3.5"]), \
+             mock.patch.object(resolver, "_oci_tag_exists", side_effect=lambda h, r, t: t == "v3.3.5"):
+            row = resolver.resolve(ref)
+        self.assertEqual(row["status"], "ok")
+        self.assertFalse(row["upgrade_available"])  # release exists; image does not yet
+        self.assertIn("registry-manifest", row["source"])
+        with mock.patch.object(resolver, "list_tags", return_value=([], "RuntimeError: tag listing truncated")), \
+             mock.patch.object(resolver, "github_release_tags",
+                               return_value=["v3.3.6", "v3.3.5"]), \
+             mock.patch.object(resolver, "_oci_tag_exists", return_value=True):
+            upgraded = resolver.resolve(ref)
+        self.assertTrue(upgraded["upgrade_available"])
+
 
 if __name__ == "__main__":
     unittest.main()