• Revert "Exclude Python 3.11 on macOS due to lack of wheels. Ref pyobjc failing to build on Python 3.11 distutils#165."
• Restore metadata tests (not discovered due to class name).
• Add DISTUTILS_EXTRA_CONFIG option for passing setup.cfg overrides during build
• Fix name in test
• Prefer monkeypatch for setting environment variable
• Use tmp_path and jaraco.path.build to build files.
• Use functools.lru_cache to memoize check_environ.
• Use pathlib for generating paths and generate the paths in a separate function, consolidating 'is_file' check.
• Update docs to reference environment variable.
• Rename environment variable to DIST_EXTRA_CONFIG, decoupling it from the name of the implementation.
• Simplify logic in test_custom_pydistutils
• Inline variables used once
• Remove meaningless dot from config files
• Extract a temp_home fixture.
• Re-use temp_home in test_find_config_files_disable
• Extract property for pydistutils.cfg name
• Move property to a module attribute and re-use jaraco.path for simpler tests.
• Use jaraco.path for more tests
• Fix warning in test

Summary of changes

Closes

Pull Request Checklist

• Changes have tests
• News fragment added in changelog.d/.
  (See documentation for details)