code: func untrackCommand(cmd *cobra.Command, args []string) {
  	if cfg.LocalGitDir() == "" {
  		Print("Not a git repository.")
  		os.Exit(128)
  	}
  	if cfg.LocalWorkingDir() == "" {
  		Print("This operation must be run in a work tree.")
  		os.Exit(128)
  	}
  
  	installHooks(false)
  
  	if len(args) < 1 {
  		Print("git lfs untrack <path> [path]*")
  		return
  	}
  
  	data, err := ioutil.ReadFile(".gitattributes")
  	if err != nil {
  		return
  	}
  
  	attributes := strings.NewReader(string(data))
  
  	attributesFile, err := os.Create(".gitattributes")
  	if err != nil {
  		Print("Error opening .gitattributes for writing")
  		return
  	}
  	defer attributesFile.Close()
  
  	scanner := bufio.NewScanner(attributes)
  
  	// Iterate through each line of the attributes file and rewrite it,
  	// if the path was meant to be untracked, omit it, and print a message instead.
  	for scanner.Scan() {
  		line := scanner.Text()
  		if !strings.Contains(line, "filter=lfs") {
  			attributesFile.WriteString(line + "\n")
  			continue
  		}
  
  		path := strings.Fields(line)[0]
  		if removePath(path, args) {
  			Print("Untracking %q", unescapeAttrPattern(path))
  		} else {
  			attributesFile.WriteString(line + "\n")
  		}
  	}
  }
docs: // untrackCommand takes a list of paths as an argument, and removes each path from the
  // default attributes file (.gitattributes), if it exists.