git.go
func (r RepoURL) String() string {
	u, err := url.Parse(string(r))
	if err != nil {
		return string(r)
	}
	if u.User != nil {
		u.User = url.User(u.User.Username())
	}
	return u.String()
}
func (r RepoURL) String() string {
	u, err := url.Parse(string(r))
	if err != nil {
		return string(r)
	}
	if u.User != nil {
		u.User = url.User(u.User.Username())
	}
	return u.String()
}
// String satisfies stringer and attempts to strip off authentication
// info from url if it exists.