GitHub Action for running PHP_CodeSniffer on pull requests with annotations

phpcs.yml

name: PHP_CodeSniffer

on: pull_request

jobs:
  phpcs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '7.3'
          coverage: none
          tools: composer, cs2pr

      - name: Get Composer cache directory
        id: composer-cache
        run: echo "::set-output name=dir::$(composer config cache-files-dir)"

      - name: Setup cache
        uses: pat-s/always-upload-cache@v1.1.4
        with:
          path: ${{ steps.composer-cache.outputs.dir }}
          # Use the hash of composer.json as the key for your cache if you do not commit composer.lock. 
          # key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
          restore-keys: ${{ runner.os }}-composer-

      - name: Install dependencies
        run: composer install --prefer-dist --no-suggest --no-progress

      - name: Detect coding standard violations
        run: vendor/bin/phpcs -q --report=checkstyle | cs2pr --graceful-warnings

I see cache is missing here which on big projects saves a lot of time