update.py

from logging import FileHandler, error as log_error, info as log_info
import os
import requests
from subprocess import run as srun
from dotenv import load_dotenv

CONFIG_FILE_URL = os.environ.get('CONFIG_FILE_URL')
try:
    if len(CONFIG_FILE_URL) == 0:
        raise TypeError
    try:
        res = requests.get(CONFIG_FILE_URL)
        if res.status_code == 200:
            with open('config.env', 'wb+') as f:
                f.write(res.content)
        else:
            log_error(f"Failed to download config.env {res.status_code}")
    except Exception as e:
        log_error(f"CONFIG_FILE_URL: {e}")
except:
    pass

load_dotenv('config.env', override=True)

UPSTREAM_REPO = os.environ.get('UPSTREAM_REPO')
UPSTREAM_BRANCH = os.environ.get('UPSTREAM_BRANCH')
try:
    if len(UPSTREAM_REPO) == 0:
       raise TypeError
except:
    UPSTREAM_REPO = None
try:
    if len(UPSTREAM_BRANCH) == 0:
       raise TypeError
except:
    UPSTREAM_BRANCH = 'master'

if UPSTREAM_REPO is not None:
    if os.path.exists('.git'):
        srun(["rm", "-rf", ".git"])

    update = srun([f"git init -q \
                     && git config --global user.email mirrorbot137@gmail.com \
                     && git config --global user.name mirrorbot137 \
                     && git add . \
                     && git commit -sm update -q \
                     && git remote add origin {UPSTREAM_REPO} \
                     && git fetch origin -q \
                     && git reset --hard origin/{UPSTREAM_BRANCH} -q"], shell=True)

    if update.returncode == 0:
        log_info('Successfully updated from UPSTREAM_REPO')
    else:
        log_error('Something went wrong, Check UPSTREAM_REPO if valid or not!')