sunnygleason/carrierwave — comment on commit 3ff4fcce961bc110a3d67168c37a1b7b511a511a
File: lib/carrierwave/uploader/download.rb line 37
By mkdynamic:

i believe this is not always set. we have a `process :set_content_type` line in our Image model that might be the thing which does it. it might be worth checking at least... if there is a dependency on including that `process :set_content_type` line, we should maybe add it as a dependency of the set_file_extension_by_mime_type option