action.yml

name: 'Semantic release'
description: 'Run semantic release using the MyParcel bot'

inputs:
  token:
    description: 'GitHub Personal access token'
    required: true

  write-summary:
    description: 'Write a summary to the GitHub action output'
    required: false
    default: 'true'

  dry-run:
    description: 'Run semantic release in dry-run mode'
    required: false
    default: 'false'

  semantic-release-args:
    description: 'Additional semantic release arguments. Can be a multiline string.'
    required: false

  working-director:
    description: 'The working directory to run semantic release in'
    required: false

outputs:
  version:
    description: 'The version that was just released, prefixed with "v"'
    value: ${{ steps.normalize.outputs.next-version }}

  previous-version:
    description: 'The version before the release, prefixed with "v"'
    value: ${{ steps.normalize.outputs.last-version }}

  version-number:
    description: 'The version number that was just released'
    value: ${{ steps.normalize.outputs.next-version-number }}

  previous-version-number:
    description: 'The version number before the release'
    value: ${{ steps.normalize.outputs.last-version-number }}

  release-type:
    description: 'The type of the new release. Can be "major", "minor", "patch" or "none"'
    value: ${{ steps.normalize.outputs.release-type }}

  released:
    description: 'Whether a new version was released'
    value: ${{ steps.normalize.outputs.released }}

runs:
  using: composite
  steps:
    - uses: myparcelnl/actions/format-string@v4
      id: args
      with:
        mode: 'args'
        string: |
          ${{ inputs.dry-run == 'true' && '--dry-run' || '' }}
          ${{ inputs.semantic-release-args }}

    - name: 'Run semantic release'
      id: release
      working-directory: ${{ inputs.working-directory }}
      env:
        ARGS: ${{ steps.args.outputs.string }}
        GITHUB_TOKEN: ${{ inputs.token }}
      shell: bash
      #language=bash
      run: |
        npx semantic-release $ARGS

    - name: 'Normalize outputs'
      id: normalize
      shell: bash
      env:
        LAST_VERSION: ${{ steps.release.outputs.last-version }}
        NEXT_VERSION: ${{ steps.release.outputs.next-version }}
        RELEASE_TYPE: ${{ steps.release.outputs.release-type }}
      #language=bash
      run: |
        echo "next-version=${NEXT_VERSION:+v$NEXT_VERSION}" >> $GITHUB_OUTPUT
        echo "last-version=${LAST_VERSION:+v$LAST_VERSION}" >> $GITHUB_OUTPUT

        echo "next-version-number=${NEXT_VERSION}" >> $GITHUB_OUTPUT
        echo "last-version-number=${LAST_VERSION}" >> $GITHUB_OUTPUT

        echo "release-type=${RELEASE_TYPE:-none}" >> $GITHUB_OUTPUT
        echo "released=$( [[ -n "$RELEASE_TYPE" ]] && echo true || echo false )" >> $GITHUB_OUTPUT

    - name: 'Write job summary'
      if: inputs.write-summary == 'true'
      shell: bash
      env:
        LAST_VERSION: ${{ steps.normalize.outputs.last-version }}
        NEXT_VERSION: ${{ steps.normalize.outputs.next-version }}
        RELEASED: ${{ steps.normalize.outputs.released }}
        RELEASE_TYPE: ${{ steps.normalize.outputs.release-type }}
        REPO_URL: '${{ github.server_url }}/${{ github.repository }}'
      #language=bash
      run: |
        echo "# Release summary" >> $GITHUB_STEP_SUMMARY

        if [ "$RELEASED" == "true" ]; then
          echo "A new ${RELEASE_TYPE} version was released: [$NEXT_VERSION]($REPO_URL/releases/tag/$NEXT_VERSION)" >> $GITHUB_STEP_SUMMARY
          echo ""                                                                                                  >> $GITHUB_STEP_SUMMARY
          echo "## Commits in this release"                                                                        >> $GITHUB_STEP_SUMMARY
          echo ""                                                                                                  >> $GITHUB_STEP_SUMMARY
          echo "| Summary | Commit |"                                                                              >> $GITHUB_STEP_SUMMARY
          echo "| --- | --- |"                                                                                     >> $GITHUB_STEP_SUMMARY
          git log --pretty=format:"| %s | [%h]($REPO_URL/commit/%H) |" ${LAST_VERSION}..${NEXT_VERSION}            >> $GITHUB_STEP_SUMMARY
        else
          echo "No new version was released." >> $GITHUB_STEP_SUMMARY
        fi