rust-index: only access offsets if revlog is inline
Accessing the `RwLock` ended up showing up in profiles even with no contention.
Offsets only exist for inline revlogs, so gate everything behind an inline
check.
[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