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dirstate-tree: Keep a counter of descendant nodes that have an entry...
dirstate-tree: Keep a counter of descendant nodes that have an entry … and change the `DirstateMap::has_dir` method to be based on this counter being non-zero instead of the mere presence of a node. A node with zero descendent with an entry currently should be removed from the tree, but soon we’ll make the dirstate track additional nodes. (Specifically, for non-ignored directories in order to keep track of their mtime and optimize status by doing fewer `read_dir` calls.) Differential Revision: https://phab.mercurial-scm.org/D10922
Simon Sapin -
r48272:ca8121d2 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.