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dirstate-v2: Add storage space for nanoseconds precision in file mtimes...
dirstate-v2: Add storage space for nanoseconds precision in file mtimes For now the sub-second component is always set to zero for tracked files and symlinks. (The mtime of directories for the `readdir`-skipping optimization is a different code path and already uses the full precision available.) This extra storage uses the space previously freed by replacing the 32-bit `mode` field by two bits in the existing `flags` field, so the overall size of nodes is unchanged. (This space had been left as padding for this purpose.) Also move things around in the node layout and documentation to have less duplication. Now that they have the same representation, directory mtime and file mtime are kept in the same field. (Only either one can exist for a given node.) Differential Revision: https://phab.mercurial-scm.org/D11655
Simon Sapin -
r49033:308d9c24 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.