fixup! ENH: implement support for build-details.json (PEP 739)

Author: mgorny

tests/test_tags.py

@@ -109,15 +109,16 @@ def test_ios_platform_tag(monkeypatch):
     monkeypatch.setattr(sysconfig, 'get_platform', Mock(return_value='ios-13.0-arm64-iphoneos'))
     ios_ver = platform.IOSVersionInfo('iOS', '13.0', 'iPhone', False)
     monkeypatch.setattr(platform, 'ios_ver', Mock(return_value=ios_ver))
+    build_details = mesonpy._tags.introspect_build_details()
 
     # Check the default value
-    assert next(packaging.tags.ios_platforms((13, 0))) == mesonpy._tags.get_platform_tag(SYSTEM_BUILD_DETAILS)
+    assert next(packaging.tags.ios_platforms((13, 0))) == mesonpy._tags.get_platform_tag(build_details)
 
     # Check the value when IPHONEOS_DEPLOYMENT_TARGET is set.
     for major in range(13, 20):
         for minor in range(3):
             monkeypatch.setenv('IPHONEOS_DEPLOYMENT_TARGET', f'{major}.{minor}')
-            assert next(packaging.tags.ios_platforms((major, minor))) == mesonpy._tags.get_platform_tag(SYSTEM_BUILD_DETAILS)
+            assert next(packaging.tags.ios_platforms((major, minor))) == mesonpy._tags.get_platform_tag(build_details)
 
 
 def wheel_builder_test_factory(content, pure=True, limited_api=False):