Test then publish.

But only on the master branch and if pre-commit doesn't fail.

.gitlab-ci.yml

@@ -7,7 +7,11 @@ include:
     file: templates/pre-commit.yml
 
 build:
+  stage: deploy
   tags: ["host01.shore.co.il"]
+  only:
+    refs:
+      - master
   script:
     - cid="$(basename $(cat /proc/1/cpuset))"
     - docker pull adarnimrod/ci-images:python3