play with build rules

ci/package-build.template.yml

@@ -30,3 +30,10 @@
 
         # Return to the parent directory
         - cd $WD
+    rules:
+        - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH || $CI_COMMIT_BRANCH =~ /(^[0-9]\.[0-9]|^[0-9]\.[0-9]\.[0-9])-DEVELOPMENT/'
+          variables:
+              DEPLOY_ENV: "dev"
+        - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+          variables:
+              DEPLOY_ENV: "dev"