[Rails] Assets without fingerprint with rails 4

Hi,

Rails 4 seems to don't add asset file with original filename (eg: test.jpg), But only fingerprint version (eg: test_hash.jpg). This is not very cool for mailer. If I put an image_tag() into my mailer, then I change my image. The email sended lose the path to the image (because fingerprint change..)

Any option to re-add the original file ? Or the best pratice is to put in public this kind of assets ?

Juste find this : http://dev.mensfeld.pl/2013/07/upgrading-to-rails-4-0-from-rails-3-2-test-case-part-ii-assets-models/

Don't know if it's a bug or nor..

Thanks

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