Readline.update_iogate

# File tmp/rubies/ruby-3.3.0/lib/reline.rb, line 574
def self.update_iogate
  return if core.config.test_mode

  # Need to change IOGate when `$stdout.tty?` change from false to true by `$stdout.reopen`
  # Example: rails/spring boot the application in non-tty, then run console in tty.
  if ENV['TERM'] != 'dumb' && core.io_gate == Reline::GeneralIO && $stdout.tty?
    require 'reline/ansi'
    remove_const(:IOGate)
    const_set(:IOGate, Reline::ANSI)
  end
end