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# Copyright (c) 2021 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "cgitize" project.
# For details, see https://github.com/egor-tensin/cgitize.
# Distributed under the MIT License.
from contextlib import contextmanager
import os
import cgitize.utils as utils
GIT_ENV = os.environ.copy()
GIT_ENV['GIT_SSH_COMMAND'] = 'ssh -oBatchMode=yes -oLogLevel=QUIET -oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null'
class Config:
def __init__(self, path):
self.path = path
def exists(self):
return os.path.exists(self.path)
def open(self, mode='r'):
return open(self.path, mode=mode, encoding='utf-8')
def read(self):
with self.open(mode='r') as fd:
return fd.read()
def write(self, contents):
with self.open(mode='w') as fd:
fd.write(contents)
@contextmanager
def backup(self):
old_contents = self.read()
try:
yield old_contents
finally:
self.write(old_contents)
class Git:
EXE = 'git'
@staticmethod
def check(*args, **kwargs):
return utils.try_run(Git.EXE, *args, env=GIT_ENV, **kwargs)
@staticmethod
def capture(*args, **kwargs):
return utils.try_run_capture(Git.EXE, *args, env=GIT_ENV, **kwargs)
@staticmethod
def get_global_config():
return Config(os.path.expanduser('~/.gitconfig'))
@staticmethod
@contextmanager
def setup_auth(repo):
if not repo.url_auth:
yield
return
config = Git.get_global_config()
with utils.protected_file(config.path):
with config.backup() as old_contents:
new_contents = f'''{old_contents}
[url "{repo.clone_url_with_auth}"]
insteadOf = {repo.clone_url}
'''
config.write(new_contents)
yield
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