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CONTRIBUTING.md

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Contributing

The best way to contribute to the development of this plugin is by participating on the GitHub project:

https://github.com/pantheon-systems/wp-redis

Pull requests and issues are welcome!

Workflow

Development and releases are structured around two branches, main and release. The main branch is the default branch for the repository, and is the source and destination for feature branches.

We prefer to squash commits (i.e. avoid merge PRs) from a feature branch into main when merging, and to include the PR # in the commit message. PRs to main should also include any relevent updates to the changelog in readme.txt. For example, if a feature constitutes a minor or major version bump, that version update should be discussed and made as part of approving and merging the feature into main.

main should be stable and usable, though possibly a few commits ahead of the public release on wp.org.

The release branch matches the latest stable release deployed to wp.org.

Testing

You may notice there are two sets of tests running, on two different services:

  • The PHPUnit test suite.
  • The Behat test suite runs against a Pantheon site, to ensure the plugin's compatibility with the Pantheon platform.

Both of these test suites can be run locally, with a varying amount of setup.

PHPUnit requires the WordPress PHPUnit test suite, and access to a database with name wordpress_test. If you haven't already configured the test suite locally, you can run bash bin/install-wp-tests.sh wordpress_test root '' localhost. You'll also need to enable Redis and the PHPRedis extension in order to run the test suite against Redis.

The behat tests require a Pantheon site with Redis enabled. Once you've created the site, you'll need install Terminus, and set the TERMINUS_TOKEN, TERMINUS_SITE, and TERMINUS_ENV environment variables. Then, you can run ./bin/behat-prepare.sh to prepare the site for the test suite.

Release Process

  1. From main, checkout a new branch release_X.Y.Z.
  2. Make a release commit:
    • In README.md, readme.txt, and wp-redis.php, remove the -dev from the version number. For the README files. the version number must be updated both at the top of the document as well as the changelog.
    • Add the date to the ** X.Y.X ** heading in the changelogs in README.md, readme.txt, and any other appropriate location.
    • Commit these changes with the message Release X.Y.Z
    • Push the release branch up.
  3. Open a Pull Request to merge release_X.Y.Z into release. Your PR should consist of all commits to main since the last release, and one commit to update the version number. The PR name should also be Release X.Y.Z.
  4. After all tests pass and you have received approval from a CODEOWNER, merge the PR into release. A merge commit is preferred in this case. Never squash to release.
  5. Locally, pull the release branch, create a new tag (based on version number from previous steps), and push up. The tag should only be the version number. It should not be prefixed v (i.e. X.Y.Z, not vX.Y.X).
    • git tag X.Y.Z
    • git push --tags
  6. Confirm that the necessary assets are present in the newly created tag, and test on a WP install if desired.
  7. Create a new release using the tag created in the previous steps, naming the release with the new version number, and targeting the tag created in the previous step. Paste the release changelog from the Changelog section of the readme into the body of the release, including the links to the closed issues if applicable.
  8. Wait for the Release wp-redis plugin to wp.org action to finish deploying to the WordPress.org plugin repository. If all goes well, users with SVN commit access for that plugin will receive an emailed diff of changes.
  9. Check WordPress.org: Ensure that the changes are live on the plugin repository. This may take a few minutes.
  10. Following the release, prepare the next dev version with the following steps:
    • git checkout release
    • git pull origin release
    • git checkout main
    • git rebase release
    • Update the version number in all locations, incrementing the version by one patch version, and add the -dev flag (e.g. after releasing 1.2.3, the new verison will be 1.2.4-dev)
    • Add a new ** X.Y.X-dev ** heading to the changelog
    • git add -A .
    • git commit -m "Prepare X.Y.X-dev"
    • git push origin main