code: func main() {
  	CheckArgs("<url>", "<directory>")
  	url, directory := os.Args[1], os.Args[2]
  
  	// Clone the given repository to the given directory
  	Info("git clone %s %s", url, directory)
  	r, err := git.PlainClone(directory, false, &git.CloneOptions{
  		URL: url,
  	})
  	CheckIfError(err)
  
  	// Create a new branch to the current HEAD
  	Info("git branch my-branch")
  
  	headRef, err := r.Head()
  	CheckIfError(err)
  
  	// Create a new plumbing.HashReference object with the name of the branch
  	// and the hash from the HEAD. The reference name should be a full reference
  	// name and not an abbreviated one, as is used on the git cli.
  	//
  	// For tags we should use `refs/tags/%s` instead of `refs/heads/%s` used
  	// for branches.
  	ref := plumbing.NewHashReference("refs/heads/my-branch", headRef.Hash())
  
  	// The created reference is saved in the storage.
  	err = r.Storer.SetReference(ref)
  	CheckIfError(err)
  
  	// Or deleted from it.
  	Info("git branch -D my-branch")
  	err = r.Storer.RemoveReference(ref.Name())
  	CheckIfError(err)
  }
docs: // An example of how to create and remove branches or any other kind of reference.