changelog.yml

name: Changelog

on:
  pull_request:
  workflow_dispatch:
  workflow_call:
    outputs:
      release_type:
        description: The release type extracted from changelog
        value: ${{ jobs.validate_changelog.outputs.release_type }}
      no_functional_changes:
        description: A boolean signaling that there are no functional changes in the changeset
        value: ${{ jobs.check_functional_changes.outputs.no_functional_changes }}
  

jobs:
  check_functional_changes:
    runs-on: [ ubuntu-latest ]
    outputs:
      no_functional_changes: ${{ steps.set_no_functional_changes.outputs.no_functional_changes }}
    steps:
      - uses: actions/checkout@v4

      - name: Make release type available to subsequent jobs # For backwards compatibility, as this workflow is used in other Open Terms Archive repositories
        run: |
          if grep -q "## Unreleased \[no-release\]" CHANGELOG.md; then
            echo "NO_FUNCTIONAL_CHANGES=true" >> $GITHUB_ENV
          fi
      
      - name: Print result
        id: set_no_functional_changes
        run: |
          echo "no_functional_changes='${{ env.NO_FUNCTIONAL_CHANGES }}'"
          echo "no_functional_changes=${{ env.NO_FUNCTIONAL_CHANGES }}" >> $GITHUB_OUTPUT
  

  validate_changelog:
    if: ${{ needs.check_functional_changes.outputs.no_functional_changes != 'true' }}
    needs: [ check_functional_changes ]
    runs-on: [ ubuntu-latest ]
    outputs:
      release_type: ${{ steps.set_release_type_output.outputs.release_type }}
    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: npm ci

      - name: Print no release assessment result
        run: |
          echo "Should this run NOT trigger any release: '${{ needs.check_functional_changes.outputs.no_release }}'"

      - name: Validate changelog
        run: npm run changelog --silent -- --validate

      - name: Get release type in changelog
        run: echo "RELEASE_TYPE=$(npm run changelog --silent -- --get-release-type)" >> $GITHUB_ENV

      - name: Make release type available to subsequent jobs # For backwards compatibility, as this workflow is used in other Open Terms Archive repositories
        if: env.RELEASE_TYPE
        id: set_release_type_output
        run: |
          echo "Found release type '${{ env.RELEASE_TYPE }}'"
          echo "release_type=${{ env.RELEASE_TYPE }}" >> $GITHUB_OUTPUT