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Clone from https://www.mercurial-scm.org/repo/hg-all

tagcache: distinguish between invalid and missing entries...
tagcache: distinguish between invalid and missing entries The TortoiseHg repo has typically not had a newly applied tag accessible by name for recent releases, for unknown reasons. Deleting and rebuilding the tag cache doesn't fix it, though deleting the cache and running `hg log -r $new_tag` does. Eventually the situation does sort itself out for new clones from the server. In an effort to figure out what the issue is, Pierre-Yves David suggested listing these entries in the debug output more specifically. This isn't complete yet- the second test change that says "missing" is more like "invalid", since it was truncated. The problem there is the code that reads the raw array truncates any partial records and then fills it with 0xFF, which signifies that it is missing. As a side note, that means the check for the length when validating an existing entry never fails. Differential Revision: https://phab.mercurial-scm.org/D9811
Matt Harbison -
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Oxidized Mercurial

This project provides a Rust implementation of the Mercurial (hg)
version control tool.

Under the hood, the project uses
PyOxidizer to embed a Python
interpreter in a binary built with Rust. At run-time, the Rust fn main()
is called and Rust code handles initial process startup. An in-process
Python interpreter is started (if needed) to provide additional
functionality.

Building

This project currently requires an unreleased version of PyOxidizer
(0.7.0-pre). For best results, build the exact PyOxidizer commit
as defined in the pyoxidizer.bzl file:

$ git clone https://github.com/indygreg/PyOxidizer.git
$ cd PyOxidizer
$ git checkout <Git commit from pyoxidizer.bzl>
$ cargo build --release

Then build this Rust project using the built pyoxidizer executable::

$ /path/to/pyoxidizer/target/release/pyoxidizer build

If all goes according to plan, there should be an assembled application
under build/<arch>/debug/app/ with an hg executable:

$ build/x86_64-unknown-linux-gnu/debug/app/hg version
Mercurial Distributed SCM (version 5.3.1+433-f99cd77d53dc+20200331)
(see https://mercurial-scm.org for more information)

Copyright (C) 2005-2020 Matt Mackall and others
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Running Tests

To run tests with a built hg executable, you can use the --with-hg
argument to run-tests.py. But there's a wrinkle: many tests run custom
Python scripts that need to import modules provided by Mercurial. Since
these modules are embedded in the produced hg executable, a regular
Python interpreter can't access them! To work around this, set PYTHONPATH
to the Mercurial source directory. e.g.:

$ cd /path/to/hg/src/tests
$ PYTHONPATH=`pwd`/.. python3.7 run-tests.py \
    --with-hg `pwd`/../rust/hgcli/build/x86_64-unknown-linux-gnu/debug/app/hg