Issue #3415291: Run PHPStan on GitLab CI

.gitlab-ci.yml

@@ -51,7 +51,6 @@ include:
 variables:
   _PHPUNIT_CONCURRENT: '1'
   _PHPUNIT_TESTGROUPS: ''
-  SKIP_PHPSTAN: '1'
 #   SKIP_ESLINT: '1'
 
 
@@ -101,20 +100,21 @@ variables:
 #
 ###################################################################################
 
+.extra-variables: &extra-variables
+  - MODULE_DIR=$_WEB_ROOT/modules/custom/$CI_PROJECT_NAME
+  # Strip the `-dev` suffix out of $_TARGET_CORE to reveal the name of the Drupal core branch.
+  - CORE_BRANCH=`echo $_TARGET_CORE | sed -e "s/-dev$//"`
+
 composer:
   extends: .composer-base
   before_script:
     - composer archive --file=module
   after_script:
-    # Ensure the module is physically located within the document root, not just
-    # symlinked from it.
-    - MODULE_DIR=$_WEB_ROOT/modules/custom/$CI_PROJECT_NAME
+    - *extra-variables
     - rm -r -f $MODULE_DIR
     - mkdir -p $MODULE_DIR
     - tar -x -f module.tar -C $MODULE_DIR
     - rm module.tar
-    # Strip the `-dev` suffix out of $_TARGET_CORE to reveal the name of the Drupal core branch.
-    - CORE_BRANCH=`echo $_TARGET_CORE | sed -e "s/-dev$//"`
     - git clone https://git.drupalcode.org/project/drupal.git --depth 1 --branch $CORE_BRANCH /tmp/drupal-core
     - mv /tmp/drupal-core/composer $_WEB_ROOT
 
@@ -123,6 +123,12 @@ phpcs:
     # Use core's PHPCS configuration.
     - cp $_WEB_ROOT/core/phpcs.xml.dist .
 
+phpstan:
+  before_script:
+    - *extra-variables
+    # Ensure our PHPStan configuration has the correct include path to core's PHPStan configuration.
+    - sed -i "s#%rootDir%/../../../#%rootDir%/../../../$_WEB_ROOT/#" $MODULE_DIR/phpstan.neon
+
 phpunit:
   parallel:
     matrix: