commit ref name test

.gitlab-ci.yml

+variables:
+  CONTAINER_NAME: clmctest-$CI_COMMIT_REF_NAME.tar.gz
+  
 stages:  
   - build
   - test
@@ -6,7 +9,7 @@ build:tests:
   stage: build
   script:
     - python setup.py sdist --dist-dir=build
-    - echo $CI_COMMIT_REF_NAME
+    - echo $CONTAINER_NAME
 
 test:
   stage: test