rhg: don't fallback if `strip` or `rebase` are activated
Neither of these extensions do anything other than add commands, so ignoring
them opens up more of the test suite to rhg.
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true