rhg: Group values passed to every sub-command into a struct The set of which values this is is evidently not stable yet, so this will make changes easier. Also it is growing, and the function signatures are getting out hand. Differential Revision: https://phab.mercurial-scm.org/D10003

[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true