name: Lint on PR

on:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  lint:
    name: Lint YAML files
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 14

      - name: Install yamllint
        run: npm install -g yamllint

      - name: Show yamllint version
        run: yamllint --version

      - name: Lint .yml files
        run: yamllint -d "{extends: relaxed, rules: {line-length: {max: 120}}}" ./**/*.yml