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sapling/lib
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Kostia Balytskyi fa03821500 hg: fix test-checks broken in windows treemanifest stack 
Reviewed By: quark-zju

Differential Revision: D7560133

fbshipit-source-id: 98b016d0911aaecc1058263c134a5e4ecd0be9e5
2018-04-13 21:51:50 -07:00
..
cdatapack hg: some portability fixes to py-cdatapack.h 2018-04-13 21:51:24 -07:00
clib hg: fix test-checks broken in windows treemanifest stack 2018-04-13 21:51:50 -07:00
indexedlog indexedlog: add a test against std hashmap for multi-values 2018-04-13 21:51:46 -07:00
linelog hg: basic support for building hg using buck 2018-04-13 21:50:58 -07:00
minibench minibench: add a simple library to do benchmark 2018-04-13 21:51:42 -07:00
pathencoding pathencoding: utility for converting between bytes and paths 2018-04-13 21:51:35 -07:00
pathmatcher gitignore: avoid quadratic behavior 2018-04-13 21:51:48 -07:00
radixbuf radixbuf: use criterion for benchmark 2018-04-13 21:51:40 -07:00
third-party xdiff: backport upstream changes 2018-04-13 21:51:48 -07:00
vlqencoding vlqencoding: add read_vlq_at API that works for AsRef<[u8]> 2018-04-13 21:51:19 -07:00
README.md READMEs: tweaks based on feedback 2018-01-12 12:35:52 -08:00

README.md

lib

Any native code (C/C++/Rust) that Mercurial (either core or extensions) depends on should go here. Python code, or native code that depends on Python code (e.g. #include <Python.h> or use cpython) is disallowed.

As we start to convert more of Mercurial into Rust, and write new paths entrirely in native code, we'll want to limit our dependency on Python, which is why this barrier exists.

See also hgext/extlib/README.md, mercurial/cext/README.mb.

How do I choose between lib and extlib (and cext)?

If your code is native and doesn't depend on Python (awesome!), it goes here.

Otherwise, put it in hgext/extlib (if it's only used by extensions) or mercurial/cext (if it's used by extensions or core).