Only build on commits to master.

.gitlab-ci.yml

@@ -6,6 +6,8 @@ stages:
 
 setup:
   stage: setup
+  only: 
+    - master
   script:
   - docker stop vesta-builds
   - docker rm vesta-builds
@@ -14,6 +16,8 @@ setup:
 
 build:
   stage: build
+  only: 
+    - master
   script:
   - docker pull ubuntu:trusty
   - docker build -t yocto-base .