Reduce diff with EE in Ci::PipelineTriggerService

Signed-off-by: Rémy Coutable <remy@rymai.me>

app/services/ci/pipeline_trigger_service.rb

@@ -7,6 +7,8 @@ module Ci
     def execute
       if trigger_from_token
         create_pipeline_from_trigger(trigger_from_token)
+      elsif job_from_token
+        create_pipeline_from_job(job_from_token)
       end
     end
 
@@ -35,6 +37,14 @@ module Ci
       end
     end
 
+    def create_pipeline_from_job(job)
+      # overriden in EE
+    end
+
+    def job_from_token
+      # overriden in EE
+    end
+
     def variables
       params[:variables].to_h.map do |key, value|
         { key: key, value: value }