Eye::Cli.class_eval do
  private

  def loader_path
    filename = File.expand_path(File.join(File.dirname(__FILE__), %w[.. .. .. bin eye-patch-loader]))
    File.exists?(filename) ? filename : nil
  end
end

Eye::System.class_eval do
  class << self
    alias_method :daemonize_without_hook, :daemonize
    alias_method :exec_without_hook, :exec

    def daemonize(*args)
      Eye::Control.invoke_spawn_callback
      daemonize_without_hook(*args)
    end

    def exec(*args)
      Eye::Control.invoke_spawn_callback
      exec_without_hook(*args)
    end

    private

    def spawn_options(config = {})
      o = {pgroup: true, chdir: config[:working_dir] || '/'}
      o.update(out: [config[:stdout], 'a']) if config[:stdout]
      o.update(err: [config[:stderr], 'a']) if config[:stderr]
      o.update(in: config[:stdin]) if config[:stdin]
      o.update(close_others: !config[:preserve_fds])

      if Eye::Local.root?
        o.update(uid: Etc.getpwnam(config[:uid]).uid) if config[:uid]
        o.update(gid: Etc.getpwnam(config[:gid]).gid) if config[:gid]
      end

      o.update(umask: config[:umask]) if config[:umask]

      o
    end
  end
end

Eye::Controller.class_eval do

  def invoke_spawn_callback
    if respond_to?(:before_spawn)
      debug "Invoking before_spawn hook"
      before_spawn
    end
  end

  private

  def parse_config(filename)
    config = Eye::Patch.parse(filename)

    if Eye::Patch.setup_file
      info "Loading setup from: #{Eye::Patch.setup_file}"
      require Eye::Patch.setup_file
    end

    config
  end
end

Eye::Control