disable creation of dependent projects for builds from RELS

app/helpers/build_lists_helper.rb

@@ -14,6 +14,11 @@ module BuildListsHelper
     end
   end
 
+  def can_run_dependent_build_lists?(build_list)
+    build_list.save_to_platform.main? &&
+    build_list.save_to_platform.distrib_type == 'mdv'
+  end
+
   def availables_main_platforms
     Platform.availables_main_platforms current_user, current_ability
   end

app/views/projects/build_lists/show.html.haml

@@ -220,7 +220,7 @@
         'ng-show' => 'build_list.can_create_container'
     - if can? :create, @build_list
       = link_to t('layout.build_lists.recreate_build_list'), new_project_build_list_path(@build_list.project, build_list_id: @build_list.id), class: 'button'
-      - if @build_list.save_to_platform.main?
+      - if can_run_dependent_build_lists?(@build_list)
         = link_to t('layout.build_lists.run_build_lists'),
             project_build_lists_path(@build_list.project, origin: @build_list.id),
             method: :post,