cli

type Env struct {
	// Dir is the project directory (the working directory).
	Dir    string
	Stdin  io.Reader
	Stdout io.Writer
	Stderr io.Writer
	// Interactive reports that Stdin is a terminal, so commands may prompt.
	Interactive bool
	// Getenv reads the process environment.
	Getenv func(string) (string, bool)
	// Now is the clock used for migration timestamps.
	Now func() time.Time
	// Version overrides the build-info version (tests).
	Version string
}