action.yml

name: "auto-release"
description: "Automatically draft release notes for your next release as Pull Requests are merged into main. Optionally, automatically publish a release for every Pull Request."
inputs:
  token:
    description: "Standard GitHub token (e.g., secrets.GITHUB_TOKEN)"
    required: false
    default: ${{ github.token }}
  publish:
    description: "Whether to publish a new release immediately"
    required: false
    default: "false"
  prerelease:
    description: "Boolean indicating whether this release should be a prerelease"
    required: false
    default: ""
  latest:
    description: |
      A string indicating whether the release being created or updated should be marked as latest.
    required: false
    default: ''
  summary-enabled:
    description: Enable github action summary.
    required: false
    default: 'true'
  config-name:
    description: |
      If your workflow requires multiple release-drafter configs it is helpful to override the config-name.
      The config should still be located inside `.github` as that's where we are looking for config files.
    required: false
    default: 'configs/draft-release.yml'

outputs:
  id:
    description: The ID of therelease that was created or updated.
    value: ${{ steps.release.outputs.id }}
  name:
    description: The name of the release
    value: ${{ steps.release.outputs.name }}
  tag_name:
    description: The name of the tag associated with the release.
    value: ${{ steps.release.outputs.tag_name }}
  body:
    description: The body of the drafted release.
    value: ${{ steps.release.outputs.body }}
  html_url:
    description: The URL users can navigate to in order to view the release
    value: ${{ steps.release.outputs.html_url }}
  upload_url:
    description: The URL for uploading assets to the release, which could be used by GitHub Actions for additional uses, for example the @actions/upload-release-asset GitHub Action.
    value: ${{ steps.release.outputs.upload_url }}
  major_version:
    description: The next major version number. For example, if the last tag or release was v1.2.3, the value would be v2.0.0.
    value: ${{ steps.release.outputs.major_version }}
  minor_version:
    description: The next minor version number. For example, if the last tag or release was v1.2.3, the value would be v1.3.0.
    value: ${{ steps.release.outputs.minor_version }}
  patch_version:
    description: The next patch version number. For example, if the last tag or release was v1.2.3, the value would be v1.2.4.
    value: ${{ steps.release.outputs.patch_version }}
  resolved_version:
    description: The next resolved version number, based on GitHub labels.
    value: ${{ steps.release.outputs.resolved_version }}
  exists:
    description: Tag exists so skip new release issue
    value: ${{ steps.has-duplicate.outputs.result }}

runs:
  using: "composite"
  steps:
    - name: Checkout commit
      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        token: ${{ inputs.token }}
        fetch-tags: true

    - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
      name: Get PR labels
      id: pr-info
      with:
        retries: 3
        github-token: ${{ inputs.token }}
        script: |
          const repository = context.repo;
          const sha = context.sha;
          
          const resp = await github.rest.pulls.list({
            ...repository,
            sort: 'updated',
            direction: 'desc',
            state: 'closed',
            per_page: 100
          });
          
          const pull = resp.data.find(p => p.merge_commit_sha === sha);
          if (pull) {            
            return {
              number: pull.number,
              labels: pull.labels.map(l => l.name).join('\n')
            };
          };
          
          return {};

    - name: Tags
      shell: bash
      id: tags
      run: |
        git fetch --tags
        tags=$(git tag --contains ${{ github.sha }} | jq -R --slurp  '. | sub("\n"; " "; "g") | rtrimstr(" ")')
        echo "value=${tags}" >> $GITHUB_OUTPUT

    - name: Check for duplicates
      uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
      id: has-duplicate
      with:
        retries: 3
        github-token: ${{ inputs.token }}
        result-encoding: string
        script: |
          const repository = context.repo;
          const sha = context.sha;

          const tags = ${{ steps.tags.outputs.value }}.split(" ");

          for (const tag of tags) {
            if (tag == "") {
              continue;
            }
            console.log("Getting: " + tag);
            const release = await github.rest.repos.getReleaseByTag({
              ...repository,
              tag,
            }).catch(function(error) {
              if (error.status === 404) {
                core.info(`Release v${VERSION} not found`)
                return
              } else {
                throw error
              }
            });
            if ( release && ! release.data.draft && release.data.prerelease == ${{ inputs.prerelease }} ) {
              console.log("Found release: " + tag);
              return true;
            }
          }
          console.log("No release found");
          return false;

    # Drafts the next Release and compiles the notes as Pull Requests are merged into "main" (unless the `no-release` label is used on the PR)
    - uses: release-drafter/release-drafter@34d80673e067bdc0c24568d3af899c216adcfaa9 # v7.7.0
      name: Draft release
      id: release
      if: steps.has-duplicate.outputs.result == 'false'
      with:
        token: ${{ inputs.token }}
        publish: ${{ inputs.publish == 'true' && !contains(fromJson(steps.pr-info.outputs.result).labels, 'no-release')}}
        prerelease: ${{ (inputs.prerelease != '' && inputs.prerelease) || contains(fromJson(steps.pr-info.outputs.result).labels, 'prerelease') }}
        latest: ${{ inputs.latest }}
        config-name: ${{ inputs.config-name }}
        commitish: ${{ github.event_name == 'pull_request' && github.head_ref || github.ref_name }}
      env:
        GITHUB_TOKEN: ${{ inputs.token }}

    # Workaround for https://github.com/release-drafter/release-drafter/issues/1313
    - name: Release Summary
      if: ${{ steps.has-duplicate.outputs.result == 'false' && inputs.summary-enabled == 'true' }}
      shell: bash
      env:
        RELEASE_BODY: |-
          ${{ steps.release.outputs.body }}
      run: |
        echo 'Checking to make sure release id is not empty: "${{ steps.release.outputs.id }}"'
        ! test -z "${{ steps.release.outputs.id }}"
        echo '## ${{ steps.release.outputs.id }} (${{ steps.release.outputs.tag_name }})' >> $GITHUB_STEP_SUMMARY
        cat > ${GITHUB_STEP_SUMMARY} <<- EOM
          ${RELEASE_BODY}
        EOM
        echo '[View Release](${{ steps.release.outputs.html_url }})' >> $GITHUB_STEP_SUMMARY