116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
#!/usr/bin/env node
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/**
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* auto-backup.js — 会话结束自动备份
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*
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* 备份范围: 核心配置 + memory/ + evolution-log (最近200行)
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* 保留策略: auto-* 保留最近30天，超出自动清理
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* fail-open: 任何异常只记录，不阻断
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*/
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'use strict';
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const fs = require('fs');
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const path = require('path');
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let ROOT;
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try { ROOT = require('./paths.config.js').PATHS.root; }
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catch (_) { ROOT = path.join(require('os').homedir(), '.claude'); }
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const BACKUP_DIR = path.join(ROOT, 'backups');
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const LOG_PATH = path.join(ROOT, 'debug', 'auto-backup.log');
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const TARGET_FILES = [
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'settings.json',
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'CLAUDE.md',
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'SKILL-REGISTRY.md',
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'feature-flags.json',
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'feature-flags.json.sig',
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'package.json',
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'hooks/checksums.json',
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'hooks/checksums.sig',
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'config/auto-sync-repos.json',
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];
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const MIN_INTERVAL_MS = 4 * 60 * 60 * 1000; // 4小时内不重复备份
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const RETAIN_DAYS = 30;
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function log(msg) {
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try { fs.appendFileSync(LOG_PATH, `${new Date().toISOString()} ${msg}\n`, 'utf8'); }
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catch (_) {}
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}
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function copyFileIfExists(src, dst) {
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if (!fs.existsSync(src)) return false;
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fs.mkdirSync(path.dirname(dst), { recursive: true });
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fs.copyFileSync(src, dst);
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return true;
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}
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function copyDirRecursive(src, dst) {
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if (!fs.existsSync(src)) return 0;
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fs.mkdirSync(dst, { recursive: true });
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let count = 0;
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for (const entry of fs.readdirSync(src, { withFileTypes: true })) {
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const s = path.join(src, entry.name);
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const d = path.join(dst, entry.name);
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if (entry.isDirectory()) { count += copyDirRecursive(s, d); }
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else { fs.copyFileSync(s, d); count++; }
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}
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return count;
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}
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module.exports = function runAutoBackup() {
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try {
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fs.mkdirSync(BACKUP_DIR, { recursive: true });
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// 冷却检查
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const existing = fs.readdirSync(BACKUP_DIR)
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.filter(d => d.startsWith('auto-'))
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.map(d => fs.statSync(path.join(BACKUP_DIR, d)).mtimeMs)
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.sort((a, b) => b - a);
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if (existing.length > 0 && Date.now() - existing[0] < MIN_INTERVAL_MS) {
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log('[SKIP] recent backup exists within 4h');
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return;
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}
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const ts = new Date().toISOString().replace(/[:.]/g, '-').slice(0, 16);
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const dst = path.join(BACKUP_DIR, `auto-${ts}`);
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fs.mkdirSync(dst, { recursive: true });
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// 1. 核心配置文件
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let fileCount = 0;
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for (const f of TARGET_FILES) {
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if (copyFileIfExists(path.join(ROOT, f), path.join(dst, f))) fileCount++;
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}
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// 2. memory/ 全量
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const memCount = copyDirRecursive(path.join(ROOT, 'memory'), path.join(dst, 'memory'));
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fileCount += memCount;
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// 3. evolution-log 最近200行（不全量，控制体积）
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const evoSrc = path.join(ROOT, 'evolution-log.jsonl');
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if (fs.existsSync(evoSrc)) {
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const lines = fs.readFileSync(evoSrc, 'utf8').trim().split('\n');
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const recent = lines.slice(-200).join('\n');
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fs.writeFileSync(path.join(dst, 'evolution-log.jsonl'), recent, 'utf8');
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fileCount++;
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}
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log(`[OK] ${dst} — ${fileCount} files`);
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// 4. 清理超期 auto-* 备份（保留最近30天）
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const cutoff = Date.now() - RETAIN_DAYS * 86400000;
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const oldDirs = fs.readdirSync(BACKUP_DIR)
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.filter(d => d.startsWith('auto-'))
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.filter(d => fs.statSync(path.join(BACKUP_DIR, d)).mtimeMs < cutoff);
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for (const d of oldDirs) {
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try { fs.rmSync(path.join(BACKUP_DIR, d), { recursive: true, force: true }); }
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catch (_) {}
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}
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if (oldDirs.length) log(`[CLEANUP] removed ${oldDirs.length} old backups`);
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} catch (e) {
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log(`[ERROR] ${e.message}`);
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// fail-open: 不抛出
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}
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};
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