X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/cc5023d40182e503e8ba109fc86e09efd6337836..b73985d8a0c9173aec57f6a81fe540b2813a5bff:/services/api/lib/kind_and_etag.rb

diff --git a/services/api/lib/kind_and_etag.rb b/services/api/lib/kind_and_etag.rb
index 89c01ef3a2..04fdca426e 100644
--- a/services/api/lib/kind_and_etag.rb
+++ b/services/api/lib/kind_and_etag.rb
@@ -14,7 +14,7 @@ module KindAndEtag
     self.class.kind
   end
 
-  def etag
-    Digest::MD5.hexdigest(self.inspect).to_i(16).to_s(36)
+  def etag attrs=nil
+    Digest::MD5.hexdigest((attrs || self.attributes).inspect).to_i(16).to_s(36)
   end
 end