def artifact_exists(self, artifact_name):
        dst_filename = self.get_destination_filename(artifact_name)
        return os.path.exists(dst_filename)
L{GitCommand} implements L{IVCSCommand}.
dataset/ETHPy150Open lektor/lektor/lektor/builder.py/BuildState.artifact_exists--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/python/test/test_release.py/VCSCommandInterfaceTests.test_git