downward compatible

.gitlab-ci.yml

@@ -9,6 +9,20 @@ stages:
   - build
   - deploy
 
+hash rules:
+  stage: build
+  script:
+    - sha256sum data/data.min.json | awk '{print $1}' > rules.min.hash
+    - node build_tools/minifyDataJSON.js "data/data.min.json" "data.minify.json"
+    - sha256sum data.minify.json | awk '{print $1}' > rules.minify.hash
+  artifacts:
+    paths:
+      - rules.min.hash
+      - data.minify.json
+      - rules.minify.hash
+  only:
+    - master
+
 build firefox:
   stage: build
   script: