pr_lint.yml

name: PR Validation

on:
  pull_request:

jobs:
  validate-labels:
    runs-on: ubuntu-latest
    steps:
      - name: Check labels
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # language=JavaScript
          script: |
            const {
              data: pullRequest
            } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            const labels = pullRequest.labels.map(label => label.name);
            const invalidLabels = ['feature request', 'invalid', 'question'];
            const hasInvalidLabel = labels.some(label => invalidLabels.includes(label));

            if (labels.length === 0) {
              core.setFailed('Pull request must have at least one label!');
            }

            if (hasInvalidLabel) {
              core.setFailed('Pull request must have an invalid label: ' + invalidLabels.join(', '));
            }

      - name: Check assignees
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # language=JavaScript
          script: |
            const {
              data: pullRequest
            } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            if (pullRequest.assignees.length === 0) {
              core.setFailed('Pull request must have an assignee');
            }

      - name: Check draft status
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # language=JavaScript
          script: |
            const {
              data: pullRequest
            } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            if (pullRequest.draft) {
              core.setFailed('Pull request must not be a draft');
            }

  validate-code:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.get_version.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install poetry
        run: pipx install poetry
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
          cache: 'poetry'

      - name: Install dependencies
        run: poetry install

      - name: Run Ruff
        run: poetry run ruff check --output-format=github .

      - name: Run pre-commit hooks
        run: poetry run pre-commit run --all-files --show-diff-on-failure

      - name: Get version from pyproject.toml
        id: get_version
        run: |
          echo "version=$(poetry version -s)" >> $GITHUB_OUTPUT

  validate-branch:
    runs-on: ubuntu-latest
    needs:
      - validate-code
    if: startsWith(github.head_ref, 'release/')
    steps:
      - name: Check branch name with version
        run: |
          # Extract the branch name from the GitHub context
          branch_name=${{ github.head_ref }}

          # Check if the branch name starts with "release/" and does not match the version
          if [[ $branch_name == release/* && $branch_name != "release/${{ needs.validate-code.outputs.version }}" ]]; then
            echo "Branch name does not match the version in pyproject.toml"
            exit 1
          fi

  validate-docker-build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Build Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          push: false
          tags: pr-${{ github.event.pull_request.number }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
          platforms: linux/amd64,linux/arm64,linux/arm/v7

      - name: Get Docker image info
        id: get_info
        run: |
          IMAGE_INFO=$(docker inspect pr-${{ github.event.pull_request.number }} | jq -r '{id: .[0].Id, created: .[0].Created, size: .[0].Size, repoTags: .[0].RepoTags[0]}')
          echo "::set-output name=info::$IMAGE_INFO"

      - name: Post image info to PR
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # language=JavaScript
          script: |
            const issue_number = context.issue.number;
            const image_info = JSON.parse("${{ steps.get_info.outputs.info }}");
            const message = `The Docker image information is as follows:\n\n- ID: ${image_info.id}\n- Created: ${image_info.created}\n- Size: ${image_info.size}\n- Tag(s): ${image_info.repoTags}`;
            github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: issue_number,
              body: message
            });