Let php codesniffer output the sniff codes in its output.

Author: hostep

Makefile

@@ -11,9 +11,9 @@ check: checkstyle checkquality test
 .PHONY: checkstyle
 checkstyle:
 	vendor/bin/php-cs-fixer fix --dry-run --diff --stop-on-violation --allow-risky=yes
-	vendor/bin/phpcs --standard=Magento2 --ignore=./vendor/ .
-	vendor/bin/phpcs --standard=PHPCompatibility --runtime-set testVersion 7.0- --ignore=./vendor/,./Test/ .
-	vendor/bin/phpcs --standard=PHPCompatibility --runtime-set testVersion 7.1- ./Test/
+	vendor/bin/phpcs -s --standard=Magento2 --ignore=./vendor/ .
+	vendor/bin/phpcs -s --standard=PHPCompatibility --runtime-set testVersion 7.0- --ignore=./vendor/,./Test/ .
+	vendor/bin/phpcs -s --standard=PHPCompatibility --runtime-set testVersion 7.1- ./Test/
 	composer normalize --dry-run
 
 .PHONY: checkquality