Contributions are gladly accepted, either through GitHub pull requests or by
mailing patches to
email@example.com (PGP key 8569B6311EE485F8).
Reports of security issues can also be sent privately to the email address and PGP key given above.
By contributing, you are agreeing to make your contribution available under the same license terms as the rest of the project.
Contributions of feature code, test code, documentation, bug reports, etc. are all appreciated, and I’d be happy to help guide you through the process if you have any questions.
Bug Reports & Feature Requests
Outstanding work for the project is tracked with GitHub’s “Issues” feature. You can see the current list of open issues here. This covers all of bugs, feature requests, documentation improvements, and any other kind of enhancement.
If you encounter any problems with the software, or would like it to be improved
in some way, please feel free to file a new GitHub Issue or send a report by
firstname.lastname@example.org. The more detail you can provide, the better.
If you’d like to contribute to the project, the issue tracker is also the place to start. Please indicate your interest in addressing the issue by leaving a comment, potentially describing at a high level what you intend to do. This helps avoid duplication of work when two people silently work on the same problem, and also needless churn that can arise if the implementation you submit is surprising to the parties interested in the issue and hasn’t been explained in advance. If there is no issue already open for the work you’d like to do, please create one.
Issues in the GitHub tracker are categorized with “labels”. These mostly describe what kind of work the issue covers (e.g. there are labels for “infrastructure”, “documentation”, “feature”, “bug”…).
Of particular note, however, is the “good-first-bug” label. Issues tagged in this way are believed to be especially suitable for new contributors (whether to the project, or to Rust code, or to Free Software/Open Source in general). Anyone is welcome to work on any issue, but if you’re unsure about how to get going, that may be the place to start.
Setting Up Your Development Environment
You’ll first need to be able to run the code. For instructions on getting the
requisite system library dependencies, consult the
You can get by doing basic development with just the stable Rust and Cargo
toolchain, and nothing else. However, if you want to run more complex workflows
like generating test coverage reports or getting a Clippy static analysis/lint
check, you can install the prerequisites with
Makefile in the project root defines a few useful commands for common
make format, and
make check. For a full list of
available commands, run
Code Conventions and Expectations
Code should be automatically formatted with
For the moment we have to to use the nightly version of Cargo/rustfmt, because
we really want to preserve multiple newlines between sections of code, and that
blank_lines_upper_bound configuration option in
See rust-lang/rustfmt#3381 for the bug tracking the
stabilization of this configuration option.
This means you can run the auto-formatter with
cargo +nightly fmt.
Code should be checked/linted with
clippy. You can run this manually with
cargo clippy --all-targets --all-features.
Code should generally come with accompanying tests, but it’s understood that it’s not always possible to reach 100% line/branch coverage.
Copyright & Licensing of Contributions
The copyright to any contribution to this software project is retained by the original author of the contribution. However, by contributing, you are agreeing to make your contribution available as part of this project under the terms of the GNU General Public License (version 3 of the License, or any later version).
Please refer to the
LICENSE file for a full copy of the license.