Release Please Action

Automate releases with Conventional Commit Messages.

Setting up this action

If you haven't already done so, create a .github/workflows folder in your repository (this is where your actions will live).

Now create a .github/workflows/release-please.yml file with these contents:

on:
  push:
    branches:
      - main
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        with:
          release-type: node
          package-name: release-please-action

Merge the above action into your repository and make sure new commits follow the Conventional Commits convention, release-please will start creating Release PRs for you.
For an alternative configuration that provides easier bootstrapping options for initial setup, follow these instructions (ignore the cli section) and then configure this action as follows:
```
#...(same as above)
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        with:
          command: manifest
```

Configuration

input	description
`token`	A GitHub secret token, the action defaults to using the special `secrets.GITHUB_TOKEN`
`release-type`	What type of project is this a release for? Reference Release types supported; new types of releases can be added here
`package-name`	A name for the artifact releases are being created for (this might be the `name` field in a `setup.py` or `package.json`)
`bump-minor-pre-major`	Should breaking changes before 1.0.0 produce minor bumps? Default `No`
`bump-patch-for-minor-pre-major`	Should feat changes before 1.0.0 produce patch bumps instead of minor bumps? Default `No`
`bump-minor-on-breaking`	Should we bump the semver minor on breaking changes, instead of major? Default `No`
`path`	create a release from a path other than the repository's root
`monorepo-tags`	add prefix to tags and branches, allowing multiple libraries to be released from the same repository.
`changelog-types`	A JSON formatted String containing to override the outputted changelog sections
`version-file`	provide a path to a version file to increment (used by ruby releaser)
`fork`	Should the PR be created from a fork. Default `false`
`command`	release-please command to run, either `github-release`, or `release-pr`, `manifest`, `manifest-pr` (defaults to running both)
`default-branch`	branch to open pull release PR against (detected by default)
`pull-request-title-pattern`	title pattern used to make release PR, defaults to using `chore${scope}: release${component} ${version}`.
`changelog-path`	configure alternate path for `CHANGELOG.md`. Default `CHANGELOG.md`
`github-api-url`	configure github API URL. Default `https://api.github.com`
`--signoff`	Add `Signed-off-by` line at the end of the commit log message using the user and email provided. (format "Name <[email protected]>")
`repo-url`	configure github repository URL. Default `process.env.GITHUB_REPOSITORY`
`github-graphql-url`	configure github GraphQL URL. Default `https://api.github.com`

output	description
`release_created`	`true` if the release was created, `false` otherwise
`upload_url`	Directly related to Create a release API
`html_url`	Directly related to Create a release API
`tag_name`	Directly related to Create a release API
`major`	Number representing major semver value
`minor`	Number representing minor semver value
`patch`	Number representing patch semver value
`sha`	sha that a GitHub release was tagged at
`pr`	The PR number of an opened release (undefined if no release created)

Release types supported

Release Please automates releases for the following flavors of repositories:

release type	description
`node`	A Node.js repository, with a package.json and CHANGELOG.md
`python`	A Python repository, with a setup.py, setup.cfg, version.py and CHANGELOG.md
`php`	A php composer package with composer.json and CHANGELOG.md
`ruby`	A Ruby repository, with version.rb and CHANGELOG.md
`terraform-module`	A terraform module, with a version in the README.md, and a CHANGELOG.md
rust	A Rust repository, with a Cargo.toml (either as a crate or workspace) and a CHANGELOG.md
ocaml	An OCaml repository, containing 1 or more opam or esy files and a CHANGELOG.md
go	Go repository, with a CHANGELOG.md
`simple`	A repository with a version.txt and a CHANGELOG.md
helm	A helm chart repository with a Chart.yaml and a CHANGELOG.md
elixir	An elixir repository with a mix.exs and a CHANGELOG.md

How release please works

Release Please automates CHANGELOG generation, the creation of GitHub releases, and version bumps for your projects. Release Please does so by parsing your git history, looking for Conventional Commit messages, and creating release PRs.

What's a Release PR?

Rather than continuously releasing what's landed to your default branch, release-please maintains Release PRs:

These Release PRs are kept up-to-date as additional work is merged. When you're ready to tag a release, simply merge the release PR.

How should I write my commits?

Release Please assumes you are using Conventional Commit messages.

The most important prefixes you should have in mind are:

fix: which represents bug fixes, and correlates to a SemVer patch.
feat: which represents a new feature, and correlates to a SemVer minor.
feat!:, or fix!:, refactor!:, etc., which represent a breaking change (indicated by the !) and will result in a SemVer major.

Overriding the Changelog Sections

To output more commit information in the changelog, a JSON formatted String can be added to the Action using the changelog-types input parameter. This could look something like this:

on:
  push:
    branches:
      - main
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        with:
          release-type: node
          package-name: release-please-action
          changelog-types: '[{"type":"feat","section":"Features","hidden":false},{"type":"fix","section":"Bug Fixes","hidden":false},{"type":"chore","section":"Miscellaneous","hidden":false}]'

Supporting multiple release branches

release-please has the ability to target not default branches. You can even use separate release strategies (release-type). To configure, simply configure multiple workflows that specify a different default-branch:

Configuration for main (default) branch (.github/workflows/release-main.yaml):

on:
  push:
    branches:
      - main
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        with:
          release-type: node
          package-name: release-please-action

Configuration for 1.x (default) branch (.github/workflows/release-1.x.yaml):

on:
  push:
    branches:
      - 1.x
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        with:
          release-type: node
          package-name: release-please-action
          default-branch: 1.x

Automating publication to npm

With a few additions, the Release Please action can be made to publish to npm when a Release PR is merged:

on:
  push:
    branches:
      - main
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        id: release
        with:
          release-type: node
          package-name: test-release-please
      # The logic below handles the npm publication:
      - uses: actions/checkout@v2
        # these if statements ensure that a publication only occurs when
        # a new release is created:
        if: ${{ steps.release.outputs.release_created }}
      - uses: actions/setup-node@v1
        with:
          node-version: 12
          registry-url: 'https://registry.npmjs.org'
        if: ${{ steps.release.outputs.release_created }}
      - run: npm ci
        if: ${{ steps.release.outputs.release_created }}
      - run: npm publish
        env:
          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
        if: ${{ steps.release.outputs.release_created }}

So that you can keep 2FA enabled for npm publications, we recommend setting registry-url to your own Wombat Dressing Room deployment.

Creating major/minor tags

If you are using release-please to publish a GitHub action, you will likely want to tag a major and minor tag during a release, i.e., if you are releasing v2.8.3, you will also want to update tags v2 and v2.8. This allows your users to pin to v2, and get updates to your library without updating their workflows.

The release-please-action has the outputs major, minor, and release_created to facilitate this. These outputs can be used conditionally, like so:

on:
  push:
    branches:
      - main
name: release-please
jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: GoogleCloudPlatform/release-please-action@v2
        id: release
        with:
          release-type: node
          package-name: ${{env.ACTION_NAME}}
          command: github-release
      - uses: actions/checkout@v2
      - name: tag major and minor versions
        if: ${{ steps.release.outputs.release_created }}
        run: |
          git config user.name github-actions[bot]
          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
          git remote add gh-token "https://${{ secrets.GITHUB_TOKEN }}@github.com/google-github-actions/release-please-action.git"
          git tag -d v${{ steps.release.outputs.major }} || true
          git tag -d v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} || true
          git push origin :v${{ steps.release.outputs.major }} || true
          git push origin :v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} || true
          git tag -a v${{ steps.release.outputs.major }} -m "Release v${{ steps.release.outputs.major }}"
          git tag -a v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} -m "Release v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }}"
          git push origin v${{ steps.release.outputs.major }}
          git push origin v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }}

License

Apache Version 2.0

Name		Name	Last commit message	Last commit date
Latest commit History 362 Commits
.github/workflows		.github/workflows
dist		dist
test		test
.gitignore		.gitignore
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
action.yml		action.yml
index.js		index.js
package-lock.json		package-lock.json
package.json		package.json
screen.png		screen.png

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Release Please Action

Setting up this action

Configuration

Release types supported

How release please works

What's a Release PR?

How should I write my commits?

Overriding the Changelog Sections

Supporting multiple release branches

Automating publication to npm

Creating major/minor tags

License

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Release Please Action

Setting up this action

Configuration

Release types supported

How release please works

What's a Release PR?

How should I write my commits?

Overriding the Changelog Sections

Supporting multiple release branches

Automating publication to npm

Creating major/minor tags

License

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