X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b7f67c80916c2efa0c234ab5f4e92c24d47223c5..e2fe6c0e5c1c62a37e03519590c04a5186a2cc9b:/apps/workbench/app/controllers/pipeline_instances_controller.rb

diff --git a/apps/workbench/app/controllers/pipeline_instances_controller.rb b/apps/workbench/app/controllers/pipeline_instances_controller.rb
index a618d43517..3d34c7b885 100644
--- a/apps/workbench/app/controllers/pipeline_instances_controller.rb
+++ b/apps/workbench/app/controllers/pipeline_instances_controller.rb
@@ -64,7 +64,8 @@ class PipelineInstancesController < ApplicationController
         if component[:script_parameters]
           component[:script_parameters].each do |param, value_info|
             if value_info.is_a? Hash
-              if resource_class_for_uuid(value_info[:value]) == Link
+              value_info_class = resource_class_for_uuid(value_info[:value])
+              if value_info_class == Link
                 # Use the link target, not the link itself, as script
                 # parameter; but keep the link info around as well.
                 link = Link.find value_info[:value]
@@ -76,6 +77,15 @@ class PipelineInstancesController < ApplicationController
                 value_info[:link_uuid] = nil
                 value_info[:link_name] = nil
               end
+              if value_info_class == Collection
+                # to ensure reproducibility, the script_parameter for a
+                # collection should be the portable_data_hash
+                # keep the collection name and uuid for human-readability
+                obj = Collection.find value_info[:value]
+                value_info[:value] = obj.portable_data_hash
+                value_info[:selection_uuid] = obj.uuid
+                value_info[:selection_name] = obj.name
+              end
             end
           end
         end