class Guard::Jobs::TerminalSettings

def configurable?
  @works
end

def echo
  return unless configurable?
  Shellany::Sheller.run("stty echo 2>#{IO::NULL}")
end

def initialize
  @settings = nil
  @works = Shellany::Sheller.run("hash", "stty") || false
end

def restore
  return unless configurable? && @settings
  Shellany::Sheller.run("stty #{ @setting } 2>#{IO::NULL}")
end

def save
  return unless configurable?
  @settings = Shellany::Sheller.stdout("stty -g 2>#{IO::NULL}").chomp
end