Download blob viewer is client-side

app/models/blob_viewer/base.rb

@@ -75,7 +75,7 @@ module BlobViewer
     end
 
     def server_side_but_stored_in_lfs?
-      !client_side? && blob.valid_lfs_pointer?
+      server_side? && blob.valid_lfs_pointer?
     end
   end
 end

app/models/blob_viewer/download.rb

 module BlobViewer
   class Download < Base
     include Simple
-    include ServerSide
+    # We pretend the Download viewer is rendered client-side so that it doesn't
+    # attempt to load the entire blob contents.
+    include ClientSide
 
     self.partial_name = 'download'
     self.text_based = false