exec

type Exec struct {
	Command   []string
	Dir       string
	Stdin     []byte
	Env       []util.StringVar
	Timeout   time.Duration
	TeeStdout bool
	TeeStderr bool
}

type ExecResult struct {
	Stdout    []byte
	Stderr    []byte
	Status    int
	Signal    os.Signal
	IsTimeout bool
	Err       error
}

type Option interface {
	Apply(e *Exec) error
}

type OptionTeeStderr bool

type OptionTeeStdout bool

type OptionTimeout time.Duration