execx

type Command struct {
	Name   string
	Args   []string
	Dir    string
	Env    []string
	Stdin  io.Reader
	Stdout io.Writer
	Stderr io.Writer
}

type ExitError struct {
	Result Result
	Cmd    Command
}

type Fake struct {
	T         testing.TB
	Calls     []Command
	Responses map[string]Result
	Available map[string]bool
}

type Process interface {
	Wait() (Result, error)
	Kill() error
}

type Result struct {
	ExitCode int
	Stdout   string
	Stderr   string
	Duration time.Duration
}

type Runner interface {
	Run(ctx context.Context, cmd Command) (Result, error)
	Start(ctx context.Context, cmd Command) (Process, error)
	LookPath(name string) (string, error)
}