Gem::Commands::SetupCommand#regenerate_binstubs

# File tmp/rubies/ruby-3.4.1/lib/rubygems/commands/setup_command.rb, line 575
def regenerate_binstubs(bindir)
  require_relative "pristine_command"
  say "Regenerating binstubs"

  args = %w[--all --only-executables --silent]
  args << "--bindir=#{bindir}"
  args << "--install-dir=#{default_dir}"

  if options[:env_shebang]
    args << "--env-shebang"
  end

  command = Gem::Commands::PristineCommand.new
  command.invoke(*args)
end