Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -33,6 +33,7 @@ variables:
 .validate: &validate
   stage: build
   script:
+    - env
     - 'mvn $MAVEN_CLI_OPTS test-compile'
 
 # For merge requests do not `deploy` but only run `verify`.
@@ -40,6 +41,7 @@ variables:
 .verify: &verify
   stage: test
   script:
+    - env
     - 'mvn $MAVEN_CLI_OPTS verify site site:stage'
   except:
     - master
@@ -64,6 +66,7 @@ deploy:jdk8:
   # Use stage test here, so the pages job may later pickup the created site.
   stage: test
   script:
+    - env
     - 'mvn $MAVEN_CLI_OPTS deploy site site:stage'
   only:
     - master