def _ReadGit(self):
    """
    Read configuration data from git.

    This internal method populates the GitConfig cache.

    """
    c = {}
    d = self._do('--null', '--list')
    if d is None:
      return c
    if not is_python3():
      d = d.decode('utf-8')
    for line in d.rstrip('\0').split('\0'):
      if '\n' in line:
        key, val = line.split('\n', 1)
      else:
        key = line
        val = None

      if key in c:
        c[key].append(val)
      else:
        c[key] = [val]

    return c

from __future__ import print_function

import json
import os
import re
import subprocess
import sys
try:
  import threading as _threading
except ImportError:
  import dummy_threading as _threading
import time

from pyversion import is_python3
if is_python3():
  import urllib.request
  import urllib.error
else:
  import urllib2
  import imp
  urllib = imp.new_module('urllib')
  urllib.request = urllib2
  urllib.error = urllib2

from signal import SIGTERM
from error import GitError, UploadError
from trace import Trace
if is_python3():
  from http.client import HTTPException
else:

# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from __future__ import print_function
import getpass
import imp
import netrc
import optparse
import os
import sys
import time

from pyversion import is_python3
if is_python3():
  import urllib.request
else:
  import urllib2
  urllib = imp.new_module('urllib')
  urllib.request = urllib2

try:
  import kerberos
except ImportError:
  kerberos = None

from color import SetDefaultColoring
from trace import SetTrace
from git_command import git, GitCommand
from git_config import init_ssh, close_ssh