2026-10-06 21:27:28 +08:00
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#!/usr/bin/env node
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/**
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2026-10-06 21:42:08 +08:00
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* 备份包装器 —— 给「离线那一层」加一道失败告警
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2026-10-06 21:27:28 +08:00
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* =====================================================================
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2026-10-06 21:53:49 +08:00
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* 本项目的三层留存(失效模式各不相同,不能互相替代):
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* ① 主仓 `origin` = CNB —— 源码 + 触发构建,依赖 CNB 平台
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* ② 代码辅仓 `gitea` = 自建 23.254.236.47:3001 —— 不受第三方平台规则约束,可 clone/追溯
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* ③ 离线备份 = 中兴 F50 上的 OpenList —— 单一加密文件,平台全挂也能恢复
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* 本脚本负责第 ③ 层。
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*
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2026-10-06 21:27:28 +08:00
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* 为什么需要它:
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2026-10-06 21:53:49 +08:00
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* 第 ③ 层是**唯一不依赖任何 git 服务**的一份 —— 平台全被清、服务器被回收,
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* 只有它能恢复。而这类「每天自动跑」的任务最典型的失败模式恰恰是**静默**的 ——
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2026-10-06 21:42:08 +08:00
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* F50 被带出门、换了网段、OpenList 容器重启后没起来、WebDAV 口令改过……
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* 这些都不会有人主动发现,直到某天真的要用备份时才发现最近三个月一份都没成功。
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2026-10-06 21:27:28 +08:00
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*
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2026-10-06 21:53:49 +08:00
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* ①②两层都还在,所以这不会立刻致命;但「离线备份悄悄失效」这件事本身
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2026-10-06 21:27:28 +08:00
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* 必须被告知。于是加这一层:跑备份 → 失败就发邮件。
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*
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* 它做什么:
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* 1. 读 .workbuddy-backup/openlist-backup.env(KEY=VALUE,# 开头为注释)
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* —— 只填充**尚未设置**的环境变量,环境变量优先(与 backup-bundle.mjs 一致)
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* 2. 跑 scripts/backup-bundle.mjs,参数原样转发,输出实时透传
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2026-10-06 21:53:49 +08:00
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* (backup-bundle.mjs 会先 `git fetch --all` 再打包 —— 否则备的是过期快照,
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* 后台新发的文章一份都不在里面;fetch 失败只降级告警,不影响出备份)
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2026-10-06 21:27:28 +08:00
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* 3. 退出码非 0 → 用 scripts/send_mail.js 发告警邮件,正文附日志尾部
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* 成功时默认不发(避免每天一封的邮件疲劳);加 --notify-success 才发
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* 4. **原样返回 backup-bundle.mjs 的退出码**(发信失败不改变它 ——
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* 通知不该掩盖真正的故障,也不该把成功改判成失败)
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*
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* 用法(一般由 scripts/backup-task.cmd 调用,也可手跑):
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* node scripts/backup-run.mjs # 等价于 backup-bundle.mjs 默认参数
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* node scripts/backup-run.mjs --verify --keep 7
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* node scripts/backup-run.mjs --dry --notify-success
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* node scripts/backup-run.mjs --list
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*
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* 邮件相关环境变量(未配则静默跳过发信,不让通知拖垮备份):
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* SMTP_HOST / SMTP_PORT / SMTP_USER / SMTP_PASS / SMTP_TO
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* 未设 SMTP_USER 时会回落到 MAIL_USERNAME(本站既有命名),SMTP_PASS 同理。
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import { spawn } from 'node:child_process';
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import { fileURLToPath } from 'node:url';
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const HERE = path.dirname(fileURLToPath(import.meta.url));
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const REPO = path.resolve(HERE, '..');
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const BACKUP_SCRIPT = path.join(HERE, 'backup-bundle.mjs');
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const MAIL_SCRIPT = path.join(HERE, 'send_mail.js');
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const ENV_FILE = path.join(REPO, '.workbuddy-backup', 'openlist-backup.env');
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function log(...a) {
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console.log('[' + new Date().toTimeString().slice(0, 8) + ']', ...a);
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}
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// ---- 1. 载入 env 文件(只补空缺,环境变量优先) ----
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function loadEnvFile(file) {
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let raw;
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try {
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raw = fs.readFileSync(file, 'utf8');
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} catch {
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return { loaded: false, count: 0 };
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}
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let count = 0;
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for (const line of raw.split(/\r?\n/)) {
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const s = line.trim();
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if (!s || s.startsWith('#')) continue;
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const eq = s.indexOf('=');
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if (eq <= 0) continue;
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const k = s.slice(0, eq).trim();
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// 值可能被引号包住 —— 只做去引号这一种规整
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let v = s.slice(eq + 1).trim();
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if ((v.startsWith('"') && v.endsWith('"')) || (v.startsWith("'") && v.endsWith("'"))) {
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v = v.slice(1, -1);
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}
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if (process.env[k] === undefined) {
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process.env[k] = v;
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count++;
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}
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}
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return { loaded: true, count };
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}
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const envInfo = loadEnvFile(ENV_FILE);
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log('配置文件:', envInfo.loaded ? `${ENV_FILE}(补入 ${envInfo.count} 项)` : `${ENV_FILE} 不存在,只用环境变量`);
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// ---- 2. 参数拆分:--notify-success 归自己,其余原样转发给 backup-bundle.mjs ----
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const argv = process.argv.slice(2);
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const notifySuccess = argv.includes('--notify-success');
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const passThrough = argv.filter((a) => a !== '--notify-success');
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function mailConfigured() {
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const user = process.env.SMTP_USER || process.env.MAIL_USERNAME || '';
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const pass = process.env.SMTP_PASS || process.env.MAIL_PASSWORD || '';
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return Boolean(user && pass);
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}
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// ---- 3. 跑备份,实时透传输出,同时留一份尾部用于邮件正文 ----
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log('开始:', process.execPath.split(/[\\/]/).pop(), BACKUP_SCRIPT, passThrough.join(' ') || '(默认参数)');
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const t0 = Date.now();
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const child = spawn(process.execPath, [BACKUP_SCRIPT, ...passThrough], {
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cwd: REPO,
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env: process.env,
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stdio: ['ignore', 'pipe', 'pipe'],
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});
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const TAIL_MAX = 6000;
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let tail = '';
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const keep = (d) => {
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tail += d.toString('utf8');
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if (tail.length > TAIL_MAX) tail = tail.slice(-TAIL_MAX);
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};
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child.stdout.on('data', (d) => { process.stdout.write(d); keep(d); });
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child.stderr.on('data', (d) => { process.stderr.write(d); keep(d); });
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const code = await new Promise((resolve) => {
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child.on('close', (c) => resolve(c === null ? 1 : c));
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child.on('error', (e) => {
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console.error('启动备份失败:', e.message);
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keep(`启动备份失败: ${e.message}\n`);
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resolve(1);
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});
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});
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const secs = ((Date.now() - t0) / 1000).toFixed(1);
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log(`结束:exit=${code} 用时 ${secs}s`);
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// ---- 4. 发信 ----
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// 退出用 process.exitCode 而不是 process.exit():到这一步 stdout 还可能有
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// 未排干的写入,process.exit() 会在 flush 前终止进程(Node 官方文档明确警告过)。
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// 这里已经是脚本尾部,设完让 Node 自行结束即可。
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if (code === 0 && !notifySuccess) {
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log('备份成功(未配置 --notify-success,不发信)');
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process.exitCode = 0;
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} else if (!mailConfigured()) {
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log('未配置 SMTP 凭据,跳过发信。需要时在 openlist-backup.env 里补 SMTP_USER / SMTP_PASS');
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process.exitCode = code;
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} else {
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const ok = code === 0;
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const stamp = new Date().toLocaleString('zh-CN', { hour12: false });
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const subject = ok
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? '【优世界】整仓离线备份成功'
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: `【优世界】★ 整仓离线备份失败(exit=${code})`;
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const body = [
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`时间:${stamp}`,
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`结果:${ok ? '成功' : '失败'}(exit=${code})`,
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`用时:${secs}s`,
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`命令:backup-bundle.mjs ${passThrough.join(' ') || '(默认参数)'}`,
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'',
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ok ? '备份已上传到 OpenList 并通过校验。' : '★ 备份没有完成 —— 异地备份这一层目前是失效的。',
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'',
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'常见原因:',
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' · 中兴 F50 不在线 / 换了网段 → 检查 OPENLIST_URL 是否仍可达',
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' · OpenList 容器重启后没起来',
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' · WebDAV 账号或口令改过',
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' · 仓库体积增长导致超时',
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'',
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2026-10-06 21:53:49 +08:00
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'另:若日志里出现「fetch 失败,降级为用本地已有 ref 打包」,',
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'说明备份本身出得来,但快照可能不含最新提交 —— 修复对应远端的凭据/网络后重跑即可。',
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'',
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2026-10-06 21:27:28 +08:00
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'--------- 输出尾部 ---------',
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tail.trim() || '(无输出)',
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].join('\n');
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log('发送通知邮件…');
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const mail = spawn(process.execPath, [MAIL_SCRIPT], {
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cwd: REPO,
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env: { ...process.env, MAIL_SUBJECT: subject, MAIL_BODY: body },
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stdio: 'inherit',
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});
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const mailCode = await new Promise((r) => mail.on('close', (c) => r(c === null ? 1 : c)));
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log(mailCode === 0 ? '通知邮件已处理' : `通知邮件失败(exit=${mailCode},不影响备份退出码)`);
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process.exitCode = code;
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}
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