# Copyright (c) 2012 The Chromium OS Authors.
  #
  # SPDX-License-Identifier:	GPL-2.0+
  #
  
  import command
  import gitutil
  import os
  
  def FindGetMaintainer():
      """Look for the get_maintainer.pl script.
  
      Returns:
          If the script is found we'll return a path to it; else None.
      """
      try_list = [
          os.path.join(gitutil.GetTopLevel(), 'scripts'),
          ]
      # Look in the list
      for path in try_list:
          fname = os.path.join(path, 'get_maintainer.pl')
          if os.path.isfile(fname):
              return fname
  
      return None
  
  def GetMaintainer(fname, verbose=False):
      """Run get_maintainer.pl on a file if we find it.
  
      We look for get_maintainer.pl in the 'scripts' directory at the top of
      git.  If we find it we'll run it.  If we don't find get_maintainer.pl
      then we fail silently.
  
      Args:
          fname: Path to the patch file to run get_maintainer.pl on.
  
      Returns:
          A list of email addresses to CC to.
      """
      get_maintainer = FindGetMaintainer()
      if not get_maintainer:
          if verbose:
              print("WARNING: Couldn't find get_maintainer.pl")
          return []
  
      stdout = command.Output(get_maintainer, '--norolestats', fname)
      lines = stdout.splitlines()
      return [ x.replace('"', '') for x in lines ]