func handleMv(ctx *cli.Context, client *daemon.Client) error {
source, dest := prefixSlash(ctx.Args().First()), prefixSlash(ctx.Args().Get(1))
if err := client.Move(source, dest); err != nil {
return ExitCode{
UnknownError,
fmt.Sprintf("move failed: %v", err),
}
}
return nil
}