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A discussion at https://github.com/rust-lang/rust/pull/25832 established what the abbreviations mean.
194 lines
7.3 KiB
Markdown
194 lines
7.3 KiB
Markdown
# Contributing to Rust
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Thank you for your interest in contributing to Rust! There are many ways to
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contribute, and we appreciate all of them. This document is a bit long, so here's
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links to the major sections:
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* [Feature Requests](#feature-requests)
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* [Bug Reports](#bug-reports)
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* [Pull Requests](#pull-requests)
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* [Writing Documentation](#writing-documentation)
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* [Issue Triage](#issue-triage)
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* [Out-of-tree Contributions](#out-of-tree-contributions)
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If you have questions, please make a post on [internals.rust-lang.org][internals] or
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hop on [#rust-internals][pound-rust-internals].
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As a reminder, all contributors are expected to follow our [Code of Conduct][coc].
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[pound-rust-internals]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-internals
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[internals]: http://internals.rust-lang.org
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[coc]: http://www.rust-lang.org/conduct.html
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## Feature Requests
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To request a change to the way that the Rust language works, please open an
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issue in the [RFCs repository](https://github.com/rust-lang/rfcs/issues/new)
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rather than this one. New features and other significant language changes
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must go through the RFC process.
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## Bug Reports
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While bugs are unfortunate, they're a reality in software. We can't fix what we
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don't know about, so please report liberally. If you're not sure if something
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is a bug or not, feel free to file a bug anyway.
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If you have the chance, before reporting a bug, please [search existing
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issues](https://github.com/rust-lang/rust/search?q=&type=Issues&utf8=%E2%9C%93),
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as it's possible that someone else has already reported your error. This doesn't
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always work, and sometimes it's hard to know what to search for, so consider this
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extra credit. We won't mind if you accidentally file a duplicate report.
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Opening an issue is as easy as following [this
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link](https://github.com/rust-lang/rust/issues/new) and filling out the fields.
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Here's a template that you can use to file a bug, though it's not necessary to
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use it exactly:
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<short summary of the bug>
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I tried this code:
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<code sample that causes the bug>
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I expected to see this happen: <explanation>
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Instead, this happened: <explanation>
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## Meta
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`rustc --version --verbose`:
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Backtrace:
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All three components are important: what you did, what you expected, what
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happened instead. Please include the output of `rustc --version --verbose`,
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which includes important information about what platform you're on, what
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version of Rust you're using, etc.
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Sometimes, a backtrace is helpful, and so including that is nice. To get
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a backtrace, set the `RUST_BACKTRACE` environment variable. The easiest way
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to do this is to invoke `rustc` like this:
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```bash
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$ RUST_BACKTRACE=1 rustc ...
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```
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## Pull Requests
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Pull requests are the primary mechanism we use to change Rust. GitHub itself
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has some [great documentation][pull-requests] on using the Pull Request
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feature. We use the 'fork and pull' model described there.
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[pull-requests]: https://help.github.com/articles/using-pull-requests/
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Please make pull requests against the `master` branch.
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All pull requests are reviewed by another person. We have a bot,
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@rust-highfive, that will automatically assign a random person to review your
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request.
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If you want to request that a specific person reviews your pull request,
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you can add an `r?` to the message. For example, Steve usually reviews
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documentation changes. So if you were to make a documentation change, add
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r? @steveklabnik
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to the end of the message, and @rust-highfive will assign @steveklabnik instead
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of a random person. This is entirely optional.
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After someone has reviewed your pull request, they will leave an annotation
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on the pull request with an `r+`. It will look something like this:
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@bors: r+ 38fe8d2
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This tells @bors, our lovable integration bot, that your pull request has
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been approved. The PR then enters the [merge queue][merge-queue], where @bors
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will run all the tests on every platform we support. If it all works out,
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@bors will merge your code into `master` and close the pull request.
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[merge-queue]: http://buildbot.rust-lang.org/homu/queue/rust
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## Writing Documentation
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Documentation improvements are very welcome. The source of `doc.rust-lang.org`
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is located in `src/doc` in the tree, and standard API documentation is generated
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from the source code itself.
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Documentation pull requests function in the same as other pull requests, though
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you may see a slightly different form of `r+`:
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@bors: r+ 38fe8d2 rollup
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That additional `rollup` tells @bors that this change is eligible for a 'rollup'.
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To save @bors some work, and to get small changes through more quickly, when
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@bors attempts to merge a commit that's rollup-eligible, it will also merge
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the other rollup-eligible patches too, and they'll get tested and merged at
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the same time.
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To find documentation-related issues, sort by the [A-docs label][adocs].
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[adocs]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AA-docs
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## Issue Triage
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Sometimes, an issue will stay open, even though the bug has been fixed. And
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sometimes, the original bug may go stale because something has changed in the
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meantime.
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It can be helpful to go through older bug reports and make sure that they are
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still valid. Load up an older issue, double check that it's still true, and
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leave a comment letting us know if it is or is not. The [least recently
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updated sort][lru] is good for finding issues like this.
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Contributors with sufficient permissions on the Rust repo can help by adding
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labels to triage issues:
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* Yellow, **A**-prefixed labels state which **area** of the project an issue
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relates to.
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* Magenta, **B**-prefixed labels identify bugs which **belong** elsewhere.
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* Green, **E**-prefixed labels explain the level of **experience** necessary
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to fix the issue.
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* Red, **I**-prefixed labels indicate the **importance** of the issue. The
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[I-nominated][inom] label indicates that an issue has been nominated for
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prioritizing at the next triage meeting.
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* Orange, **P**-prefixed labels indicate a bug's **priority**. These labels
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are only assigned during triage meetings, and replace the [I-nominated][inom]
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label.
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* Blue, **T**-prefixed bugs denote which **team** the issue belongs to.
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* Dark blue, **beta-** labels track changes which need to be backported into
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the beta branches.
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* The purple **metabug** label marks lists of bugs collected by other
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categories.
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If you're looking for somewhere to start, check out the [E-easy][eeasy] tag.
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[inom]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AI-nominated
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[eeasy]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AE-easy
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[lru]: https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-asc
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## Out-of-tree Contributions
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There are a number of other ways to contribute to Rust that don't deal with
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this repository.
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Answer questions in [#rust][pound-rust], or on [users.rust-lang.org][users],
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or on [StackOverflow][so].
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Participate in the [RFC process](https://github.com/rust-lang/rfcs).
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Find a [requested community library][community-library], build it, and publish
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it to [Crates.io](http://crates.io). Easier said than done, but very, very
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valuable!
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[pound-rust]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust
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[users]: http://users.rust-lang.org/
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[so]: http://stackoverflow.com/questions/tagged/rust
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[community-library]: https://github.com/rust-lang/rfcs/labels/A-community-library
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