code: def _status_code_for_git_status_line(status_line):
      """Returns the XY status git status.
  
      Git status char ' ' (empty space) is replaced with an underscore
      per the MergeFile status spec above.
  
      See `git status --help` for details.
  
      """
      assert len(status_line) >= 2, status_line
      return status_line[:2].replace(" ", "_")
  
imports: import collections
  import logging
  import re
  import os
  import subprocess
  from guild import config
  from guild import file_util
  from guild import util
  from guild.file_util import FileSelectRule
label_desc: Use image node_id 14 for calling a global function with example usage: _status_code_for_git_status_line(status_line) and returns: status_line