publish-new-release.yaml

name: 'Publish new release'

on:
  pull_request:
    branches:
      - main
    types:
      - closed

jobs:
  release:
    name: Publish new release
    runs-on: ubuntu-latest
    # only merged pull requests that begin with 'release/' or 'hotfix/' must trigger this job
    if: github.event.pull_request.merged == true &&
      (startsWith(github.event.pull_request.head.ref, 'release/') || startsWith(github.event.pull_request.head.ref, 'hotfix/'))

    steps:
      - name: Extract version from branch name (for release branches)
        if: startsWith(github.event.pull_request.head.ref, 'release/')
        run: |
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          VERSION=${BRANCH_NAME#release/}

          echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV

      - name: Extract version from branch name (for hotfix branches)
        if: startsWith(github.event.pull_request.head.ref, 'hotfix/')
        run: |
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          VERSION=${BRANCH_NAME#hotfix/}

          echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV

      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          token: ${{ secrets.PAT }}
          tag_name: ${{ env.RELEASE_VERSION }}
          name: ${{ env.RELEASE_VERSION }}
          generate_release_notes: true
          draft: false
          prerelease: false
          target_commitish: ${{ github.event.pull_request.merge_commit_sha }}

      - name: Merge main into develop branch
        uses: thomaseizinger/create-pull-request@1.3.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          head: main
          base: develop
          title: Merge main into develop branch
          body: |
            This PR merges the main branch back into develop.
            This happens to ensure that the updates that happend on the release branch, i.e. CHANGELOG and manifest updates are also present on the develop branch.