name: Helm

on:
  push:
    branches:
      - master
      - release-*
    paths:
      - 'charts/**'
  pull_request:
    paths:
      - 'charts/**'

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

      - name: Set up Helm
        uses: azure/setup-helm@v2.1
        with:
          version: v3.4.2

      - uses: actions/setup-python@v3.1.2
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.2.1

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --config=.github/ci/ct.yaml)
          if [[ -n "$changed" ]]; then
            echo "::set-output name=changed::true"
          fi

      - name: Run chart-testing (lint)
        run: ct lint --config=.github/ci/ct.yaml