Improve CI stage for dependency retrieval

.gitlab-ci.yml

@@ -16,8 +16,11 @@ pages:
     name: codenest/helm
     entrypoint: ["/bin/sh", "-c"]
   stage: deploy
+  before_script:
+    - grep 'repository:' charts/*/Chart.yaml charts/*/requirements.yaml | awk '{ print $3 }' | uniq | xargs -rn1 sh -c 'helm repo add $(basename $0) $0'
+    - helm repo update
+    - ls charts/ -1 | xargs -rn1 helm dependency build --skip-refresh
   script:
-    - (cd charts; ls -1 | xargs -rn1 helm dependency build)
     - mkdir -p public
     - "echo \"User-Agent: *\nDisallow: /\" > ./public/robots.txt"
     - (cd public; helm package ../charts/*)