changegroup: add `delta_base_reuse_policy` argument
The argument available through function from changegroup.apply to
`revlog.apply` allow to override the revlog configuration in terms of
delta-base-reuse policy when searching for a delta to store a revision.
It will be put to use in the next changesets.
[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