name: "Continuous Integration"

on:
  pull_request: null

jobs:
  static-analysis-psalm:
    name: "Static Analysis with Psalm"
    runs-on: ubuntu-latest

    strategy:
      matrix:
        php-version:
          - "7.4"

    steps:
      - name: "Checkout code"
        uses: "actions/checkout@v2"

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          php-version: "${{ matrix.php-version }}"

      - name: "Cache dependencies installed with composer"
        uses: "actions/cache@v1"
        with:
          path: "~/.composer/cache"
          key: "php-${{ matrix.php-version }}-composer-locked-${{ hashFiles('composer.lock') }}"
          restore-keys: "php-${{ matrix.php-version }}-composer-locked-"

      - name: "Install dependencies with composer"
        run: "composer install --no-interaction --no-progress"

      - name: "Run a static analysis with vimeo/psalm"
        run: "vendor/bin/psalm --show-info=false --stats --output-format=github --threads=$(nproc)"