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BadFish/CONTRIBUTING.md
Disservin 2d0237db3f add clang-format
This introduces clang-format to enforce a consistent code style for Stockfish.

Having a documented and consistent style across the code will make contributing easier
for new developers, and will make larger changes to the codebase easier to make.

To facilitate formatting, this PR includes a Makefile target (`make format`) to format the code,
this requires clang-format (version 17 currently) to be installed locally.

Installing clang-format is straightforward on most OS and distros
(e.g. with https://apt.llvm.org/, brew install clang-format, etc), as this is part of quite commonly
used suite of tools and compilers (llvm / clang).

Additionally, a CI action is present that will verify if the code requires formatting,
and comment on the PR as needed. Initially, correct formatting is not required, it will be
done by maintainers as part of the merge or in later commits, but obviously this is encouraged.

fixes https://github.com/official-stockfish/Stockfish/issues/3608
closes https://github.com/official-stockfish/Stockfish/pull/4790

Co-Authored-By: Joost VandeVondele <Joost.VandeVondele@gmail.com>
2023-10-22 16:06:27 +02:00

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# Contributing to Stockfish
Welcome to the Stockfish project! We are excited that you are interested in
contributing. This document outlines the guidelines and steps to follow when
making contributions to Stockfish.
## Table of Contents
- [Building Stockfish](#building-stockfish)
- [Making Contributions](#making-contributions)
- [Reporting Issues](#reporting-issues)
- [Submitting Pull Requests](#submitting-pull-requests)
- [Code Style](#code-style)
- [Community and Communication](#community-and-communication)
- [License](#license)
## Building Stockfish
In case you do not have a C++ compiler installed, you can follow the
instructions from our wiki.
- [Linux][linux-compiling-link]
- [Windows][windows-compiling-link]
- [macOS][macos-compiling-link]
## Making Contributions
### Reporting Issues
If you find a bug, please open an issue on the
[issue tracker][issue-tracker-link]. Be sure to include relevant information
like your operating system, build environment, and a detailed description of the
problem.
_Please note that Stockfish's development is not focused on adding new features.
Thus any issue regarding missing features will potentially be closed without
further discussion._
### Submitting Pull Requests
- Functional changes need to be tested on fishtest. See
[Creating my First Test][creating-my-first-test] for more details.
The accompanying pull request should include a link to the test results and
the new bench.
- Non-functional changes (e.g. refactoring, code style, documentation) do not
need to be tested on fishtest, unless they might impact performance.
- Provide a clear and concise description of the changes in the pull request
description.
_First time contributors should add their name to [AUTHORS](../AUTHORS)._
_Stockfish's development is not focused on adding new features. Thus any pull
request introducing new features will potentially be closed without further
discussion._
## Code Style
Changes to Stockfish C++ code should respect our coding style defined by
[.clang-format](.clang-format). You can format your changes by running
`make format`. This requires clang-format version 17 to be installed on your system.
## Community and Communication
- Join the [Stockfish discord][discord-link] to discuss ideas, issues, and
development.
- Participate in the [Stockfish GitHub discussions][discussions-link] for
broader conversations.
## License
By contributing to Stockfish, you agree that your contributions will be licensed
under the GNU General Public License v3.0. See [Copying.txt][copying-link] for
more details.
Thank you for contributing to Stockfish and helping us make it even better!
[copying-link]: https://github.com/official-stockfish/Stockfish/blob/master/Copying.txt
[discord-link]: https://discord.gg/GWDRS3kU6R
[discussions-link]: https://github.com/official-stockfish/Stockfish/discussions/new
[creating-my-first-test]: https://github.com/official-stockfish/fishtest/wiki/Creating-my-first-test#create-your-test
[issue-tracker-link]: https://github.com/official-stockfish/Stockfish/issues
[linux-compiling-link]: https://github.com/official-stockfish/Stockfish/wiki/Compiling-from-source#linux
[windows-compiling-link]: https://github.com/official-stockfish/Stockfish/wiki/Compiling-from-source#windows
[macos-compiling-link]: https://github.com/official-stockfish/Stockfish/wiki/Compiling-from-source#macos