nodemap: never read more than the expected data amount
Since we are tracking this number we can use it to detect corrupted rawdata file
and to only read the correct amount of data when possible.
Differential Revision: https://phab.mercurial-scm.org/D7892
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true