anchor.diff:                 variable: GOOGLE_CREDENTIALS
       builders:
           - shell: |
  +            export GOOGLE_PROJECT=<%= @gce_project_id %>
  +            export GOOGLE_REGION=europe-west1
               export DEPLOY_ENV=<%= @environment %>
               ./jenkins.sh ${ACTION}
       parameters:
  
positive.code:             name: ROUTE53_ZONE_ID
              description: Which AWS Route53 zone to deploy to
          - string:
              name: GOOGLE_REGION
              description: See available zones https://cloud.google.com/compute/images/zones_diagram.svg
              default: europe-west1
          - string:
              name: GOOGLE_ZONE_NAME
              description: Friendly name of the DNS zone within the Google project
              default: false
  
negative.code:             name: GOOGLE_DNS_NAME
              description: Full DNS name of the zone (i.e. foo.example.com)
              default: false
          - choice:
              name: ACTION
              description: Choose whether to plan (default) or apply
  