automatic-release.yaml

# This is a basic workflow to help you get started with Actions

name: Automatic Release

# Controls when the workflow will run
on:
  pull_request:
    branches:
      - main
    types:
      - closed

  # Allows you to run this workflow manually from the Actions tab
  # workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  get-labels:
    if: ${{github.event.pull_request.merged == true && !startsWith(github.head_ref, 'release/')}}
    runs-on: ubuntu-latest
    outputs:
      labels: ${{ steps.match-label.outputs.match }}
    steps:
      - uses: actions/checkout@v3
      - id: match-label
        shell: bash
        run: |
          chmod +x .github/workflows/get-label.sh
          .github/workflows/get-label.sh -n 'major, minor, patch' -l '${{ join(github.event.pull_request.labels.*.name, ', ') }}'
          echo "::set-output name=match::$(cat match.txt)"

  semver-version:
    runs-on: ubuntu-latest
    needs:
      - get-labels
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - uses: zwaldowski/semver-release-action@v2
        id: version
        with:
          bump: ${{ needs.get-labels.outputs.labels }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          prefix: 'v'

  release:
    runs-on: ubuntu-latest
    needs:
      - semver-version
    steps:
      - name: Run release workflow
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.TOKEN }}
          script: |
            github.rest.actions.createWorkflowDispatch({
              owner: 'KnightHacks',
              repo: 'hackathon-2022',
              workflow_id: 'release.yaml',
              ref: 'main',
              inputs: {
                version: '${{ needs.semver-version.outputs.version }}',
              },
            })