Don't normalize unicode in templates (fixed #557 + GCS issues)

lib/google/apis/core/http_command.rb

@@ -139,8 +139,12 @@ module Google
         # @private
         # @return [void]
         def prepare!
-          header.update(options.header) if options && options.header
-          self.url = url.expand(params) if url.is_a?(Addressable::Template)
+          normalize_unicode = true
+          if options
+            header.update(options.header) if options.header
+            normalize_unicode = options.normalize_unicode
+          end
+          self.url = url.expand(params, nil, normalize_unicode) if url.is_a?(Addressable::Template)
           url.query_values = query.merge(url.query_values || {})
 
           if allow_form_encoding?

lib/google/apis/options.rb

@@ -26,7 +26,8 @@ module Google
       :retries,
       :header,
       :timeout_sec,
-      :open_timeout_sec)
+      :open_timeout_sec,
+      :normalize_unicode)
 
     # General client options
     class ClientOptions
@@ -56,6 +57,8 @@ module Google
       #   @return [Fixnum] How long, in seconds, before failed connections time out
       # @!attribute [rw] header
       #   @return [Hash<String,String] Additional HTTP headers to include in requests
+      # @!attribute [rw] normalize_unicode
+      #   @return [Boolean] True if unicode strings should be normalized in path parameters
 
       # Get the default options
       # @return [Google::Apis::RequestOptions]
@@ -78,8 +81,8 @@ module Google
     ClientOptions.default.use_net_http = false
     ClientOptions.default.application_name = 'unknown'
     ClientOptions.default.application_version = '0.0.0'
-
     RequestOptions.default.retries = 0
     RequestOptions.default.open_timeout_sec = 20
+    RequestOptions.default.normalize_unicode = false
   end
 end