steps

type CatchStep struct {
	Func func(error) error
}

type ChdirStep struct {
	Path string
}

type Context interface {
	AddProcessKillChannel(chan Result)
	RemoveProcessKillChannel(chan Result)
	GetProcessKillChannels() []chan Result
	GetEnv() []string
	AddEnv(...string)
	RunTask(string) chan Result
	WorkingDirectory() string
	SetWorkingDirectory(string)
	UpdateWorkingDirectory(string)
}

type EndStep struct {
}

type EnvStep struct {
	Args []string
}

type ExecStep struct {
	Args []interface{}
}

type ExistsStep struct {
	Path string
}

type NoStep struct {
}

type ParallelStep struct {
	TaskNames []string
}

type PrintStep struct {
	Args []interface{}
}

type PromptStep struct {
	Message string
}

type Result struct {
	Result  interface{}
	Error   error
	Context Context
}

type ResultStep struct {
	Func func(interface{})
}

type RunStep struct {
	TaskName string
}

type SleepStep struct {
	Duration string
}

type Step interface {
	Run(Result) chan Result
}

type WatchStep struct {
	Paths []string
}

type YesStep struct {
}