#!/usr/bin/python3
# kevin sun
# 2019 12 13


import sys
import os


# customize default comment here
default_comment = "上传今日作业"



def exec_cmd(cmd):
    print(os.popen(cmd).read())


if __name__ == "__main__":

    if not (os.path.exists(".git") and os.path.isdir(".git")):
        print("请将本程序放在 .git 文件夹所在的目录下执行")
        sys.exit(1)


    exec_cmd("git add .")

    
    if len(sys.argv) < 2:
        comment = input("输入本次对提交的评论(直接回车使用默认评论):")
        comment = default_comment if len(comment) == 0 else comment

    else:
        comment = sys.argv[1]

    exec_cmd(f'git commit -m "{comment}"')

    exec_cmd("git push -u origin master")