Fixingthe CI job

.gitlab-ci.yml

 before_script:
   - '[[ -d /home/piphone/build ]] || mkdir -p /home/piphone/build'
+stages:
+  - install
 
 job install:
   script:
     - '[[ -d /srv/piphone/sip_backend ]] || mkdir -p /srv/piphone/sip_backend'
     - (cd /srv/piphone/sip_backend && git clone $CI_BUILD_REPO)
-  stages:
-    - install
+  stage: install
   cache:
     untracked: true
   tags:
     - piphone
     - ssh
   only:
-    - master
\ No newline at end of file
+    - master