Gem::Commands::SetupCommand#regenerate_plugins

# File tmp/rubies/ruby-3.3.0/lib/rubygems/commands/setup_command.rb, line 596
def regenerate_plugins(bindir)
  require_relative "pristine_command"
  say "Regenerating plugins"

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

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