Suggest dependencies instead of requiring them

.github/workflows/phpstan.yml

@@ -5,10 +5,14 @@ jobs:
     name: Custom rules check
     runs-on: ubuntu-latest
     steps:
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+
       - name: Checkout
         uses: actions/checkout@v2.0.0
 
-
       # Docker images prestashop/prestashop may be used, even if the shop remains uninstalled
       - name: Run constant test
         run: |

README.md

@@ -15,8 +15,15 @@ Related packages:
 
 ## Installation
 
-```
+```bash
 composer require --dev prestashop/php-dev-tools
+
+## Development dependencies runtimes
+composer require --dev friendsofphp/php-cs-fixer
+composer require --dev phpstan/phpstan
+composer require --dev prestashop/header-stamp
+composer require --dev prestashop/autoindex
+composer require --dev squizlabs/php_codesniffer
 ```
 
 When this project is successfully added to your dependencies, you can enable each review tool on your projet.
@@ -35,55 +42,40 @@ When this project is successfully added to your dependencies, you can enable eac
 [lib-3-repo]: https://github.com/PrestaShop/php-dev-tools/tree/3.x
 [lib-4-repo]: https://github.com/PrestaShop/php-dev-tools/tree/master
 
-### PHP Cs fixer
 
-```bash 
-$ php vendor/bin/prestashop-coding-standards cs-fixer:init [--dest /path/to/my/project]
-```
-
-It'll create a configuration file `.php-cs-fixer.dist.php` in the root of your project.
 
-**Upgrade note :** When upgrading from 4.1.0 to newer version, you should re-run the init script or rename your ``.php_cs.dist`` file to ``.php-cs-fixer.dist.php`` in order to match the new requirements of cs-fixer.
-
-### Phpstan
+## Usage
 
-```bash
-$ php vendor/bin/prestashop-coding-standards phpstan:init [--dest /path/to/my/project]
-```
+The configuration files added in your project can be freely modified in order to match your needs.
 
-It'll create a default file `phpstan.neon` in `tests/phpstan`, that are required to run phpstan.
-The default phpstan level is the lowest available, but we recommend you to update this value to get more recommandations.
+Running the tools can be done by calling their respective binary:
 
-PHPStan is not provided by our dependencies, because of the PHP compatibility from projects using this repository. We recommend you to install it globally on your environment:
+### PHP CS Fixer
 
-```
-composer global require phpstan/phpstan:^0.12
+Initialize the configuration with:
+```bash 
+$ php vendor/bin/prestashop-coding-standards cs-fixer:init [--dest /path/to/my/project]
 ```
 
-## Usage
-
-The configuration files added in your project can be freely modified in order to match your needs.
-
-Running the tools can be done by calling its binary:
+It'll create a configuration file `.php-cs-fixer.dist.php` in the root of your project.
 
-### PHP CS Fixer
+**Upgrade note :** When upgrading from 4.1.0 to newer version, you should re-run the init script or rename your ``.php_cs.dist`` file to ``.php-cs-fixer.dist.php`` in order to match the new requirements of cs-fixer.
 
 ```bash
 $ vendor/bin/php-cs-fixer fix
 ```
 
 ### PHPStan
 
-If you have installed PHPStan globally and made the folder available in your PATH:
-
-```php
-$ _PS_ROOT_DIR_=<Path_to_PrestaShop> phpstan --configuration=tests/phpstan/phpstan.neon analyse <path1 [path2 [...]]>
+```bash
+$ php vendor/bin/prestashop-coding-standards phpstan:init [--dest /path/to/my/project]
 ```
 
-Otherwise, you can specify the path to the PHPStan binary. For instance:
+It'll create a default file `phpstan.neon` in `tests/phpstan`, that are required to run phpstan.
+The default phpstan level is the lowest available, but we recommend you to update this value to get more recommandations.
 
 ```php
-$ _PS_ROOT_DIR_=<Path_to_PrestaShop> php ~/.composer/vendor/bin/phpstan.phar --configuration=tests/phpstan/phpstan.neon analyse <path1 [path2 [...]]>
+$ _PS_ROOT_DIR_=<Path_to_PrestaShop> php vendor/bin/phpstan --configuration=tests/phpstan/phpstan.neon analyse <path1 [path2 [...]]>
 ```
 
 ### Autoindex

composer.json

@@ -5,11 +5,16 @@
   "require": {
     "php": ">=7.2.5",
     "symfony/console": "~3.2 || ~4.0 || ~5.0 || ~6.0 || ~7.0",
-    "friendsofphp/php-cs-fixer": "^3.2",
-    "squizlabs/php_codesniffer": "^3.4",
-    "symfony/filesystem": "~3.2 || ~4.0 || ~5.0 || ~6.0 || ~7.0",
+    "symfony/filesystem": "~3.2 || ~4.0 || ~5.0 || ~6.0 || ~7.0"
+  },
+  "require-dev": {
+    "friendsofphp/php-cs-fixer": "^3.2"
+  },
+  "suggest": {
     "prestashop/header-stamp": "^2.0",
-    "prestashop/autoindex": "^2.0"
+    "prestashop/autoindex": "^2.0",
+    "squizlabs/php_codesniffer": "^3.4",
+    "phpstan/phpstan": "^0.12"
   },
   "bin": [
     "bin/prestashop-coding-standards"
@@ -24,5 +29,5 @@
       "php": "7.2.5"
     }
   },
-  "author": "PrestaShop"
+  "authors": [{"name": "PrestaShop"}]
 }