lib/datasets/downloader.rb in red-datasets-0.1.4 vs lib/datasets/downloader.rb in red-datasets-0.1.5

@@ -21,12 +21,17 @@
         raise ArgumentError, "download URL must be HTTP or HTTPS: <#{@url}>"
       end
     end
 
     def download(output_path)
+      return if output_path.exist?
+
       output_path.parent.mkpath
 
-      headers = {"User-Agent" => "Red Datasets/#{VERSION}"}
+      headers = {
+        "Accept-Encoding" => "identity",
+        "User-Agent" => "Red Datasets/#{VERSION}",
+      }
       start = nil
       partial_output_path = Pathname.new("#{output_path}.partial")
       if partial_output_path.exist?
         start = partial_output_path.size
         headers["Range"] = "bytes=#{start}-"