name: Lint and Test Charts

on: pull_request

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.8.1

      - uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.1

      - name: Add helm repos
        run: |
          helm repo add bitnami https://charts.bitnami.com/bitnami
          
      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }} --chart-dirs .)
          if [[ -n "$changed" ]]; then
            echo "::set-output name=changed::true"
          fi

      - name: Run chart-testing (lint)
        run: ct lint --target-branch ${{ github.event.repository.default_branch }} --chart-dirs . --validate-maintainers=false --check-version-increment=false

      - name: Create kind cluster
        uses: helm/kind-action@v1.12.0
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct install --target-branch ${{ github.event.repository.default_branch }} --chart-dirs .