clone: use better names for temp files Before this commit, the file names are /tmp/tmpn8smvlr8 After this commit, they are more like /tmp/hg-clone-n8smvlr8/00manifest.ndb3qj52v6, which makes it much clearer what these files correspond to. Differential Revision: https://phab.mercurial-scm.org/D12623

[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