Test GitMeta alias

Author: EliahKagan

test/deprecation/test_cmd_git.py

@@ -69,7 +69,7 @@
 import pytest
 from pytest import WarningsRecorder
 
-from git.cmd import Git
+from git.cmd import Git, GitMeta
 
 from .lib import assert_no_deprecation_warning, suppress_deprecation_warning
 
@@ -377,3 +377,15 @@ def test_instance_dir() -> None:
     instance = Git()
     actual = set(dir(instance))
     assert _EXPECTED_DIR_SUBSET <= actual
+
+
+def test_metaclass_alias() -> None:
+    """GitMeta aliases Git's metaclass, whether that is type or a custom metaclass."""
+
+    def accept_metaclass_instance(cls: GitMeta) -> None:
+        """Check that cls is statically recognizable as an instance of GitMeta."""
+
+    accept_metaclass_instance(Git)  # assert_type would expect Type[Git], not GitMeta.
+
+    # This comes after the static check, just in case it would affect the inference.
+    assert type(Git) is GitMeta