package main


import (
	"os"
	"os/exec"
	"fmt"
)


func main() {
	args := os.Args[1:]
	
	if len(args) > 0 {
		cmd := exec.Command("git", "checkout", args[0])
		err := cmd.Run()
		if err != nil {
			fmt.Fprintf(os.Stderr, err.Error())
		}
	}
}