lib/carrierwave-picture/picture_converter.rb in carrierwave-picture-0.2.2 vs lib/carrierwave-picture/picture_converter.rb in carrierwave-picture-0.3.3

@@ -1,6 +1,12 @@
 module PictureConverter
   def self.convert(current_path)
-    system "convert -interlace Plane -quality 80 #{current_path} #{current_path}.webp" unless File.extname(current_path) == "webp"
-    system "convert -interlace Plane -quality 80 #{current_path} #{current_path}.jp2" unless File.extname(current_path) == "jp2"
+
+    unless File.exist?("#{current_path}.webp")
+      system "convert -interlace Plane -quality 80 #{current_path} #{current_path}.webp"
+    end
+    unless File.exist?("#{current_path}.jp2")
+      system "convert -interlace Plane -quality 80 #{current_path} #{current_path}.jp2"
+    end
+
   end
 end