dirstate-v2: backup the data file during the transaction (issue6730)
If we backup of the docket, without doing a backup of the data file, we
highly risk restoring a docket pointing to a missing file in the future.
So we now backup the data-file alongside the docket.
[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