class Puma::Launcher

def initialize(conf, launcher_args={})
  @runner        = nil
  @log_writer    = launcher_args[:log_writer] || LogWriter::DEFAULT
  @events        = launcher_args[:events] || Events.new
  @argv          = launcher_args[:argv] || []
  @original_argv = @argv.dup
  @config        = conf
  env = launcher_args.delete(:env) || ENV
  @config.options[:log_writer] = @log_writer
  # Advertise the Configuration
  Puma.cli_config = @config if defined?(Puma.cli_config)
  @config.load
  @binder        = Binder.new(@log_writer, conf)
  @binder.create_inherited_fds(ENV).each { |k| ENV.delete k }
  @binder.create_activated_fds(ENV).each { |k| ENV.delete k }
  @environment = conf.environment
  # Load the systemd integration if we detect systemd's NOTIFY_SOCKET.
  # Skip this on JRuby though, because it is incompatible with the systemd
  # integration due to https://github.com/jruby/jruby/issues/6504
  if ENV["NOTIFY_SOCKET"] && !Puma.jruby? && !ENV["PUMA_SKIP_SYSTEMD"]
    @config.plugins.create('systemd')
  end
  if @config.options[:bind_to_activated_sockets]
    @config.options[:binds] = @binder.synthesize_binds_from_activated_fs(
      @config.options[:binds],
      @config.options[:bind_to_activated_sockets] == 'only'
    )
  end
  @options = @config.options
  @config.clamp
  @log_writer.formatter = LogWriter::PidFormatter.new if clustered?
  @log_writer.formatter = options[:log_formatter] if @options[:log_formatter]
  @log_writer.custom_logger = options[:custom_logger] if @options[:custom_logger]
  generate_restart_data
  if clustered? && !Puma.forkable?
    unsupported "worker mode not supported on #{RUBY_ENGINE} on this platform"
  end
  Dir.chdir(@restart_dir)
  prune_bundler!
  @environment = @options[:environment] if @options[:environment]
  set_rack_environment
  if clustered?
    @options[:logger] = @log_writer
    @runner = Cluster.new(self)
  else
    @runner = Single.new(self)
  end
  Puma.stats_object = @runner
  @status = :run
  log_config if env['PUMA_LOG_CONFIG']
end