rewind before generating fingerprint

d699680e · Mankyu Han · Jon Yurek · 3f480438 · d699680e
Commit d699680e authored May 25, 2012 by Mankyu Han Committed by Jon Yurek Jun 08, 2012
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lib/paperclip/io_adapters/stringio_adapter.rb
+4 -1

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--- a/lib/paperclip/io_adapters/stringio_adapter.rb
+++ b/lib/paperclip/io_adapters/stringio_adapter.rb
@@ -24,7 +24,10 @@ module Paperclip
    end
    def fingerprint
-      Digest::MD5.hexdigest(read)
+      rewind # start reading from the beginning
+      finger = Digest::MD5.hexdigest(read)
+      rewind
+      finger
    end
    def read(length = nil, buffer = nil)