rewind before generating fingerprint

michiels · Jun 8, 2012 · d699680 · d699680
1 parent 3f48043
commit d699680
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/paperclip/io_adapters/stringio_adapter.rb b/lib/paperclip/io_adapters/stringio_adapter.rb
@@ -24,7 +24,10 @@ def size
     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)