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dirstate-v2: Skip readdir in status based on directory mtime...
dirstate-v2: Skip readdir in status based on directory mtime When calling `read_dir` during `status` and the directory is found to be eligible for caching (see code comments), write the directory’s mtime to the dirstate. The presence of a directory mtime in the dirstate is meaningful and indicates eligibility. When an eligible directory mtime is found in the dirstate and `stat()` shows that the mtime has not changed, `status` can skip calling `read_dir` again and instead rely on the names of child nodes in the dirstate tree. The `tempfile` crate is used to create a temporary file in order to use its modification time as "current time" with the same truncation as other files and directories would have in their own modification time. Differential Revision: https://phab.mercurial-scm.org/D10826
Simon Sapin -
r48138:7138c863 default
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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.