# File lib/action_controller/request.rb, line 284 def relative_url_root @@relative_url_root ||= case when @env["RAILS_RELATIVE_URL_ROOT"] @env["RAILS_RELATIVE_URL_ROOT"] when server_software == 'apache' @env["SCRIPT_NAME"].to_s.sub(/\/dispatch\.(fcgi|rb|cgi)$/, '') else '' end end