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CONTRIBUTING.md

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Contributing to h2

🎈 Thanks for your help improving the project!

Getting Help

If you have a question about the h2 library or have encountered problems using it, you may file an issue or ask a question on the Tokio Discord.

Submitting a Pull Request

Do you have an improvement?

  1. Submit an issue describing your proposed change.
  2. We will try to respond to your issue promptly.
  3. Fork this repo, develop and test your code changes. See the project's README for further information about working in this repository.
  4. Submit a pull request against this repo's master branch.
  5. Your branch may be merged once all configured checks pass, including:
    • Code review has been completed.
    • The branch has passed tests in CI.

Committing

When initially submitting a pull request, we prefer a single squashed commit. It is preferable to split up contributions into multiple pull requests if the changes are unrelated. All pull requests are squashed when merged, but squashing yourself gives you better control over the commit message.

After the pull request is submitted, all changes should be done in separate commits. This makes reviewing the evolution of the pull request easier. We will squash all the changes into a single commit when we merge the pull request.

Commit messages

Finalized commit messages should be in the following format:

Subject

Problem

Solution

Validation

Subject

  • one line, <= 50 characters
  • describe what is done; not the result
  • use the active voice
  • capitalize first word and proper nouns
  • do not end in a period — this is a title/subject
  • reference the github issue by number
Examples
bad: server disconnects should cause dst client disconnects.
good: Propagate disconnects from source to destination

bad: support tls servers
good: Introduce support for server-side TLS (#347)

Problem

Explain the context and why you're making that change. What is the problem you're trying to solve? In some cases there is not a problem and this can be thought of as being the motivation for your change.

Solution

Describe the modifications you've made.

Validation

Describe the testing you've done to validate your change. Performance-related changes should include before- and after- benchmark results.