package commands import ( "fmt" "github.com/codegangsta/cli" "github.com/docker/machine/libmachine/log" ) func cmdUrl(c *cli.Context) { if len(c.Args()) != 1 { log.Fatal(ErrExpectedOneMachine) } url, err := getFirstArgHost(c).GetURL() if err != nil { log.Fatal(err) } fmt.Println(url) }