box_add.rb in vagrant-unbundled-1.9.7.1

- old
+ new

@@ -28,9 +28,19 @@
         end
 
         def call(env)
           @download_interrupted = false
 
+          unless env[:box_name].nil?
+            begin
+              if URI.parse(env[:box_name]).kind_of?(URI::HTTP)
+                env[:ui].warn(I18n.t("vagrant.box_add_url_warn"))
+              end
+            rescue URI::InvalidURIError
+              # do nothing
+            end
+          end
+
           url = Array(env[:box_url]).map do |u|
             u = u.gsub("\\", "/")
             if Util::Platform.windows? && u =~ /^[a-z]:/i
               # On Windows, we need to be careful about drive letters
               u = "file:///#{URI.escape(u)}"