dirstate: better error messages when dirstate is corrupted
The current error message "Overflow in dirstate" sounds confusing
because it suggests either a certain size limit that's being exceeded,
or integer arithmetic overflowing. The reality is just a file being shorter
than expected.
[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