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dirstate-tree: Add `WithBasename` wrapper for `HgPath`...
dirstate-tree: Add `WithBasename` wrapper for `HgPath` In the tree-shaped dirstate we want to have nodes representing files or directories, where directory nodes contain a map associating "base" names to child nodes for child files and directories. Many dirstate operations expect a full path from the repository root, but re-concatenating string from nested map keys all the time might be expensive. Instead, `WithBasename` stores a full path for these operations but behaves as its base name (last path component) for equality and comparison. Additionally `inclusive_ancestors` provides the successive map keys that are needed when inserting a new dirstate node at a given full path. Differential Revision: https://phab.mercurial-scm.org/D10365
Simon Sapin -
r47866:3c11c24b 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.