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rust: Read dirstate from disk in DirstateMap constructor
Before this changeset, Python code first creates an empty `DirstateMap` Rust
object, then immediately calls its `read` method with a byte string of the
contents of the `.hg/dirstate` file.
This makes that byte string available to the constructor of `DirstateMap`
in the hg-cpython crate. This is a first step towards enabling parts of
`DirstateMap` in the hg-core crate to borrow from this buffer without copying.
Differential Revision: https://phab.mercurial-scm.org/D10556
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Fri, 30 Apr 2021 18:13:31 +0200 |
parents | c5912e35d06d |
children |
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Mercurial ========= Mercurial is a fast, easy to use, distributed revision control tool for software developers. Basic install:: $ make # see install targets $ make install # do a system-wide install $ hg debuginstall # sanity-check setup $ hg # see help Running without installing:: $ make local # build for inplace usage $ ./hg --version # should show the latest version See https://mercurial-scm.org/ for detailed installation instructions, platform-specific notes, and Mercurial user information. Notes for packagers =================== Mercurial ships a copy of the python-zstandard sources. This is used to provide support for zstd compression and decompression functionality. The module is not intended to be replaced by the plain python-zstandard nor is it intended to use a system zstd library. Patches can result in hard to diagnose errors and are explicitly discouraged as unsupported configuration.