name: Run Shepherd

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - uses: shivammathur/setup-php@v2
      with:
        php-version: '7.4'

    - name: Install dependencies
      run: composer install --prefer-dist --no-progress --no-suggest
      env:
        COMPOSER_ROOT_VERSION: dev-master

    - name: Run Psalm
      run: ./psalm --threads=2 --output-format=github --shepherd