docs: def get_hwclock():
      '''
      Get current hardware clock setting (UTC or localtime)
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' timezone.get_hwclock
      '''
      if salt.utils.path.which('timedatectl'):
          ret = _timedatectl()
          for line in (x.strip() for x in ret['stdout'].splitlines()):
              if 'rtc in local tz' in line.lower():
                  try:
                      if line.split(':')[-1].strip().lower() == 'yes':
                          return 'localtime'
                      else:
                          return 'UTC'
                  except IndexError:
                      pass
  
          msg = ('Failed to parse timedatectl output: {0}\n'
                 'Please file an issue with SaltStack').format(ret['stdout'])
          raise CommandExecutionError(msg)
  
      else:
          os_family = __grains__['os_family']
          for family in ('RedHat', 'Suse', 'NILinuxRT'):
              if family in os_family:
                  return _get_adjtime_timezone()
  
          if 'Debian' in __grains__['os_family']:
              # Original way to look up hwclock on Debian-based systems
              try:
                  with salt.utils.files.fopen('/etc/default/rcS', 'r') as fp_:
                      for line in fp_:
                          line = salt.utils.stringutils.to_unicode(line)
                          if re.match(r'^\s*#', line):
                              continue
                          if 'UTC=' in line:
                              is_utc = line.rstrip('\n').split('=')[-1].lower()
                              if is_utc == 'yes':
                                  return 'UTC'
                              else:
                                  return 'localtime'
              except IOError as exc:
                  pass
              # Since Wheezy
              return _get_adjtime_timezone()
  
          if 'Gentoo' in __grains__['os_family']:
              if not os.path.exists('/etc/adjtime'):
                  offset_file = '/etc/conf.d/hwclock'
                  try:
                      with salt.utils.files.fopen(offset_file, 'r') as fp_:
                          for line in fp_:
                              line = salt.utils.stringutils.to_unicode(line)
                              if line.startswith('clock='):
                                  line = line.rstrip('\n')
                                  line = line.split('=')[-1].strip('\'"')
                                  if line == 'UTC':
                                      return line
                                  if line == 'local':
                                      return 'LOCAL'
                          raise CommandExecutionError(
                              'Correct offset value not found in {0}'
                              .format(offset_file)
                          )
                  except IOError as exc:
                      raise CommandExecutionError(
                          'Problem reading offset file {0}: {1}'
                          .format(offset_file, exc.strerror)
                      )
              return _get_adjtime_timezone()
  
          if 'Solaris' in __grains__['os_family']:
              offset_file = '/etc/rtc_config'
              try:
                  with salt.utils.files.fopen(offset_file, 'r') as fp_:
                      for line in fp_:
                          line = salt.utils.stringutils.to_unicode(line)
                          if line.startswith('zone_info=GMT'):
                              return 'UTC'
                      return 'localtime'
              except IOError as exc:
                  if exc.errno == errno.ENOENT:
                      # offset file does not exist
                      return 'UTC'
                  raise CommandExecutionError(
                      'Problem reading offset file {0}: {1}'
                      .format(offset_file, exc.strerror)
                  )
  
          if 'AIX' in __grains__['os_family']:
              offset_file = '/etc/environment'
              try:
                  with salt.utils.files.fopen(offset_file, 'r') as fp_:
                      for line in fp_:
                          line = salt.utils.stringutils.to_unicode(line)
                          if line.startswith('TZ=UTC'):
                              return 'UTC'
                      return 'localtime'
              except IOError as exc:
                  if exc.errno == errno.ENOENT:
                      # offset file does not exist
                      return 'UTC'
                  raise CommandExecutionError(
                      'Problem reading offset file {0}: {1}'
                      .format(offset_file, exc.strerror)
                  )