X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/fbd54468b13466839c24d880a3d041d0a49371af..f90267f98880d40c3038391561c5435e531b0722:/services/api/app/models/arvados_model.rb

diff --git a/services/api/app/models/arvados_model.rb b/services/api/app/models/arvados_model.rb
index 6cd40a4458..a942b57e93 100644
--- a/services/api/app/models/arvados_model.rb
+++ b/services/api/app/models/arvados_model.rb
@@ -398,7 +398,7 @@ class ArvadosModel < ActiveRecord::Base
       end
       false
     else
-      (x.class == Symbol)
+      (x.class == Symbol) or (x.class == String and x.start_with?(':'))
     end
   end
 
@@ -414,7 +414,11 @@ class ArvadosModel < ActiveRecord::Base
     elsif x.is_a? Symbol
       x.to_s
     else
-      x
+      if x.is_a? String and x.start_with?(':')
+        x[1..-1]
+      else
+        x
+      end
     end
   end