[FEATURE] CI: Add PSR-12 check

The project follows the PSR-2 coding style.
This should be tested automatically in all commits.

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d12f0a41a53e551a730fae9bf0ac289581aa3a87..cddf9409209f5ad1b3ba9bbdffc83a94a97ccc65 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,7 @@ before_script:
   - curl -sS https://getcomposer.org/installer | php
   # Create composer.json file manually, since this is a project without any non-dev dependencies yet
   - php composer.phar require --dev php-parallel-lint/php-parallel-lint
+  - php composer.phar require --dev friendsofphp/php-cs-fixer
   # Install all project dependencies
   - php composer.phar install
 
@@ -24,11 +25,13 @@ before_script:
 test_app_phpdefaultversion:
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2
 
 job_lint_app_phpnextversion:
   image: php:7.4
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2
   allow_failure: true
 
 # Run same tests with older supported versions
@@ -36,18 +39,22 @@ test_app_php72:
   image: php:7.2
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2
 
 test_app_php71:
   image: php:7.1
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2
 
 test_app_php70:
   image: php:7.0
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2
 
 test_app_php56:
   image: php:5.6
   script:
     - ./vendor/bin/parallel-lint --exclude vendor .
+    - ./vendor/bin/php-cs-fixer -vvv fix . --dry-run --diff --using-cache=no --rules=@PSR2