def fetch_remotes(self):
    assert self.git_remote_upstream
    assert self.git_remote_local
    for remote in (self.git_remote_upstream, self.git_remote_local):
      self.subprocess_runner.check_call(['git', 'remote', 'update', remote],
                                        cwd=self.working_copy)
Receives a value and fills it into a DataBlob.
dataset/ETHPy150Open google/fplutil/disttools/push_package.py/Package.fetch_remotes--crossover with--dataset/ETHPy150Open google/grr/grr/lib/rdfvalues/protodict.py/DataBlob.SetValue