Forced non-interactive and trust server certificate

lib/cocoapods/downloader/subversion.rb

@@ -9,16 +9,20 @@ module Pod
 
       def download
         UI.section(' > Exporting subversion repo', '', 3) do
-          svn! %|export "#{reference_url}" "#{target_path}"|
+          svn! %|#{export_subcommand} "#{reference_url}" "#{target_path}"|
         end
       end
 
       def download_head
         UI.section(' > Exporting subversion repo', '', 3) do
-          svn! %|export "#{trunk_url}" "#{target_path}"|
+          svn! %|#{export_subcommand} "#{trunk_url}" "#{target_path}"|
         end
       end
 
+      def export_subcommand
+        result = 'export --non-interactive --trust-server-cert'
+      end
+
       def reference_url
         result = url.dup
         result << '/'       << options[:folder] if options[:folder]