old_contents: import click
  
  def print_message(message):
      print message
  
  
  def print_filelist(header, filelist, colour=None):
      click.echo(header)
  
      for line in filelist:
          if colour:
              line = click.style(line, fg=colour)
  
          click.echo("  {}".format(line))
  
  
  def print_filelists(new_files, changed_files, missing_files):
      if not any([new_files, changed_files, missing_files]):
          print_message("Index is up-to-date (no changes)")
          return
  
      if new_files:
          print_filelist("Added files (not in index):", new_files, 'green')
  
          # Print a blank space between sections
          if changed_files or missing_files:
              click.echo()
  
      if changed_files:
          print_filelist("Changed files (hash differs from index):", changed_files, 'red')
  
          # Print a blank space between sections
          if missing_files:
              click.echo()
  
      if missing_files:
          print_filelist("Missing files:", missing_files, 'red')
  
  
new_contents: import click
  
  def print_message(message):
      print message
  
  
  def print_filelist(header, filelist, colour=None):
      click.echo(header)
  
      for line in sorted(filelist):
          if colour:
              line = click.style(line, fg=colour)
  
          click.echo("  {}".format(line))
  
  
  def print_filelists(new_files, changed_files, missing_files):
      if not any([new_files, changed_files, missing_files]):
          print_message("Index is up-to-date (no changes)")
          return
  
      if new_files:
          print_filelist("Added files (not in index):", new_files, 'green')
  
          # Print a blank space between sections
          if changed_files or missing_files:
              click.echo()
  
      if changed_files:
          print_filelist("Changed files (hash differs from index):", changed_files, 'red')
  
          # Print a blank space between sections
          if missing_files:
              click.echo()
  
      if missing_files:
          print_filelist("Missing files:", missing_files, 'red')
  
  
subject: Make print_filelist sort the list before printing