class Puma::Launcher

def generate_restart_data
  if dir = @options[:directory]
    @restart_dir = dir
  elsif Puma.windows?
    # I guess the value of PWD is garbage on windows so don't bother
    # using it.
    @restart_dir = Dir.pwd
    # Use the same trick as unicorn, namely favor PWD because
    # it will contain an unresolved symlink, useful for when
    # the pwd is /data/releases/current.
  elsif dir = ENV['PWD']
    s_env = File.stat(dir)
    s_pwd = File.stat(Dir.pwd)
    if s_env.ino == s_pwd.ino and (Puma.jruby? or s_env.dev == s_pwd.dev)
      @restart_dir = dir
    end
  end
  @restart_dir ||= Dir.pwd
  # if $0 is a file in the current directory, then restart
  # it the same, otherwise add -S on there because it was
  # picked up in PATH.
  #
  if File.exist?($0)
    arg0 = [Gem.ruby, $0]
  else
    arg0 = [Gem.ruby, "-S", $0]
  end
  # Detect and reinject -Ilib from the command line, used for testing without bundler
  # cruby has an expanded path, jruby has just "lib"
  lib = File.expand_path "lib"
  arg0[1,0] = ["-I", lib] if [lib, "lib"].include?($LOAD_PATH[0])
  if defined? Puma::WILD_ARGS
    @restart_argv = arg0 + Puma::WILD_ARGS + @original_argv
  else
    @restart_argv = arg0 + @original_argv
  end
end