90 lines
3.8 KiB
Markdown
90 lines
3.8 KiB
Markdown
# Release process
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_Black_ has had a lot of work automating its release process. This document sets out to
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explain what everything does and how to release _Black_ using said automation.
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## Cutting a Release
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To cut a release, you must be a _Black_ maintainer with `GitHub Release` creation
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access. Using this access, the release process is:
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1. Cut a new PR editing `CHANGES.md` and the docs to version the latest changes
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1. Example PR: [#2616](https://github.com/psf/black/pull/2616)
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2. Example title: `Update CHANGES.md for XX.X release`
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2. Once the release PR is merged ensure all CI passes
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1. If not, ensure there is an Issue open for the cause of failing CI (generally we'd
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want this fixed before cutting a release)
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3. Open `CHANGES.md` and copy the _raw markdown_ of the latest changes to use in the
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description of the GitHub Release.
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4. Go and [cut a release](https://github.com/psf/black/releases) using the GitHub UI so
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that all workflows noted below are triggered.
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1. The release version and tag should be the [CalVer](https://calver.org) version
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_Black_ used for the current release e.g. `21.6` / `21.5b1`
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2. _Black_ uses [setuptools scm](https://pypi.org/project/setuptools-scm/) to pull
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the current version for the package builds and release.
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5. Once the release is cut, you're basically done. It's a good practice to go and watch
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to make sure all the [GitHub Actions](https://github.com/psf/black/actions) pass,
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although you should receive an email to your registered GitHub email address should
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one fail.
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1. You should see all the release workflows and lint/unittests workflows running on
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the new tag in the Actions UI
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If anything fails, please go read the respective action's log output and configuration
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file to reverse engineer your way to a fix/soluton.
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## Release workflows
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All _Blacks_'s automation workflows use GitHub Actions. All workflows are therefore
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configured using `.yml` files in the `.github/workflows` directory of the _Black_
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repository.
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Below are descriptions of our release workflows.
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### Docker
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This workflow uses the QEMU powered `buildx` feature of docker to upload a `arm64` and
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`amd64`/`x86_64` build of the official _Black_ docker image™.
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- Currently this workflow uses an API Token associated with @cooperlees account
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### pypi_upload
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This workflow builds a Python
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[sdist](https://docs.python.org/3/distutils/sourcedist.html) and
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[wheel](https://pythonwheels.com) using the latest
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[setuptools](https://pypi.org/project/setuptools/) and
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[wheel](https://pypi.org/project/wheel/) modules.
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It will then use [twine](https://pypi.org/project/twine/) to upload both release formats
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to PyPI for general downloading of the _Black_ Python package. This is where
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[pip](https://pypi.org/project/pip/) looks by default.
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- Currently this workflow uses an API token associated with @ambv's PyPI account
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### Upload self-contained binaries
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This workflow builds self-contained binaries for multiple platforms. This allows people
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to download the executable for their platform and run _Black_ without a
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[Python Runtime](https://wiki.python.org/moin/PythonImplementations) installed.
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The created binaries are attached/stored on the associated
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[GitHub Release](https://github.com/psf/black/releases) for download over _IPv4 only_
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(GitHub still does not have IPv6 access 😢).
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## Moving the `stable` tag
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_Black_ provides a stable tag for people who want to move along as _Black_ developers
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deem the newest version reliable. Here the _Black_ developers will move once the release
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has been problem free for at least ~24 hours from release. Given the large _Black_
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userbase we hear about bad bugs quickly. We do strive to continually improve our CI too.
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### Tag moving process
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#### stable
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From a rebased `main` checkout:
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1. `git tag -f stable VERSION_TAG`
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1. e.g. `git tag -f stable 21.5b1`
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1. `git push --tags -f`
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