tests: show that `hg cp -A --at-rev .` doesn't work for renames
I clearly forgot to implement (and test) support for marking of
renames when I added support for marking of copies :(
Differential Revision: https://phab.mercurial-scm.org/D8493
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true