name: Lint and Test Charts

on: pull_request

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3.5
        with:
          version: v3.8.1

      - uses: actions/setup-python@v4.7.0
        with:
          python-version: "3.10"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.4.0

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch main)
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Run chart-testing (lint)
        run: ct lint --target-branch main

      - name: Create kind cluster
        if: steps.list-changed.outputs.changed == 'true'
        uses: helm/kind-action@v1.8.0
        with:
          version: v0.16.0

      - name: Run chart-testing (install)
        run: ct install --target-branch main