bump-version-and-create-release-and-push-docker-images.yaml

name: Bump version, create and test release, and push Docker images
on:
  pull_request:
    types:
      - closed
    branches:
      - main

jobs:
  compute-version:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      new_version: ${{ steps.bump_version.outputs.new_version }}
    steps:
      - name: Check out the repository
        uses: actions/checkout@v4

      - name: Compute new version
        id: bump_version
        env:
          PR_BODY: ${{ github.event.pull_request.body }}
        run: |
          source version
          new_version=$(.github/workflows/compute_version.sh "$VERSION" "${PR_BODY//[^a-zA-Z0-9# $'\n']/}")
          echo "new_version=$new_version" >> $GITHUB_OUTPUT

  update-version-file:
    needs: compute-version
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Check out the repository
        uses: actions/checkout@v4
        with:
          ssh-key: ${{ secrets.DEPLOY_KEY }}

      - name: Update version file with new version
        run: |
          echo "New version: ${{ needs.compute-version.outputs.new_version }}"
          echo "VERSION=${{ needs.compute-version.outputs.new_version }}" > version
          git config --local user.name "github-actions[bot]"
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git add version
          git commit -m "chore: update version file to ${{ needs.compute-version.outputs.new_version }}"
          git push

      - name: Push new tag
        run: |
          git tag ${{ needs.compute-version.outputs.new_version }}
          git push origin ${{ needs.compute-version.outputs.new_version }}


  create-release:
    needs: [compute-version, update-version-file]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Check out the repository and pull the new tag
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ needs.compute-version.outputs.new_version }}

      - name: Build release packages
        uses: docker/build-push-action@v6
        with:
          context: .
          push: false
          tags: |
            release_builder
          target: release

      - name: Copy release packages
        run: |
          mkdir -p /tmp/artifacts/
          docker run --rm -v /tmp/artifacts:/tmp/artifacts release_builder cp -r /release /tmp/artifacts/

      - name: Create Release
        uses: ncipollo/release-action@v1
        with:
          artifacts: "/tmp/artifacts/release/*"
          tag: ${{ needs.compute-version.outputs.new_version }}
          body: |
            ${{ github.event.pull_request.body }}  

            This release is based on pull request #${{ github.event.pull_request.number }} and has been published by release job [${{ github.run_id }}](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}).

  build-and-run-release-tests:
    needs: [compute-version, create-release]
    runs-on: ubuntu-latest
    steps:
      - name: Build release core test Docker image
        uses: docker/build-push-action@v6
        with:
          build-args: |
            RELEASE_DOWNLOAD_URL=https://github.com/KIT-MRT/arbitration_graphs/releases/download/${{ needs.compute-version.outputs.new_version }}
          push: false
          tags: release_tester_core
          target: release_test_core

      - name: Run core unit tests with/against released version
        run: |
          docker run --rm release_tester_core

      - name: Build release gui test Docker image
        uses: docker/build-push-action@v6
        with:
          build-args: |
            RELEASE_DOWNLOAD_URL=https://github.com/KIT-MRT/arbitration_graphs/releases/download/${{ needs.compute-version.outputs.new_version }}
          push: false
          tags: release_tester_gui
          target: release_test_gui

      - name: Run gui unit tests with/against released version
        run: |
          docker run --rm release_tester_gui

  build-and-push-images:
    needs: [compute-version, build-and-run-release-tests]
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repository
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: 'linux/amd64,linux/arm64,linux/arm/v7'

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push core library Docker image
        uses: docker/build-push-action@v6
        with:
          push: true
          tags: |
            ghcr.io/kit-mrt/arbitration_graphs:latest
            ghcr.io/kit-mrt/arbitration_graphs:${{ needs.compute-version.outputs.new_version }}
          target: install

      - name: Build and push Pacman demo Docker image
        uses: docker/build-push-action@v6
        with:
          build-args: |
            VERSION=${{ needs.compute-version.outputs.new_version }}
          context: demo
          file: demo/Dockerfile
          push: true
          tags: |
            ghcr.io/kit-mrt/arbitration_graphs_pacman_demo:latest
            ghcr.io/kit-mrt/arbitration_graphs_pacman_demo:${{ needs.compute-version.outputs.new_version }}
          target: demo

      - name: Build and push Pacman tutorial Docker image
        uses: docker/build-push-action@v6
        with:
          build-args: |
            VERSION=${{ needs.compute-version.outputs.new_version }}
          context: demo
          file: demo/Dockerfile
          push: true
          tags: |
            ghcr.io/kit-mrt/arbitration_graphs_pacman_tutorial:latest
            ghcr.io/kit-mrt/arbitration_graphs_pacman_tutorial:${{ needs.compute-version.outputs.new_version }}
          target: tutorial