Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -7,9 +7,15 @@ stages:
     - /^\d[\d\.]*(-(alpha|beta)\d+)?$/
     
 before_script:
-  - apk add --no-cache bash curl git subversion zip
+  - apk add --no-cache bash curl git subversion zip luarocks
+  - luarocks install --local luacheck
 
-build:
+luacheck:
+  stage: build
+  script:
+    - .luarocks/bin/luacheck . --no-color -q
+
+package:
   stage: build
   only:
     - tags