Google repo有没有预上传钩子？

#!/usr/bin/env python

import subprocess

def run_command(command):
    process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
    output, error = process.communicate()
    return output, error

def check_code_style():
    # Run code style check command
    output, error = run_command('code_style_check_command')
    if error:
        print('Code style check failed:')
        print(error)
        return False
    return True

def run_unit_tests():
    # Run unit tests command
    output, error = run_command('unit_tests_command')
    if error:
        print('Unit tests failed:')
        print(error)
        return False
    return True

# Main entry point
if __name__ == '__main__':
    if not check_code_style() or not run_unit_tests():
        exit(1)