哪吒面板自动打包并上传GitHub仓库备份

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#!/bin/bash
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### ====== 需要修改的地方 ======
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GITHUB_USER="XXXXX"        # 修改成你的 GitHub 用户名
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GITHUB_REPO="nezha-backup"       # 修改成你的仓库名
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GITHUB_TOKEN="ghp_xxxxxxxxxxxxxxxxxxxxx"  # 修改成你的 GitHub Token（需要有 repo 权限）
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BOT_TOKEN="XXXXX:XXXXXXXXXX"   # 修改成你的 Telegram Bot Token
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CHAT_ID="XXXXX"             # 修改成你的 Telegram Chat ID
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BACKUP_DIR="/opt/nezha"          # Nezha 安装路径
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KEEP_DAYS=7                      # 保留天数（超过就自动删除）
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### ====== 后面还有两处需要修改的地方 ======
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WORKDIR="/root/nezha-backup"
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DATE=$(date +%F)
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TARFILE="nezha-backup-$DATE.tar.gz"
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send_telegram() {
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    local msg="$1"
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    curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
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        -d "chat_id=${CHAT_ID}" \
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        -d "parse_mode=Markdown" \
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        -d "text=${msg}" >/dev/null
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}
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echo "[INFO] 初始化仓库..."
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if [ ! -d "$WORKDIR/.git" ]; then
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    rm -rf "$WORKDIR"
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    mkdir -p "$WORKDIR"
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    git clone "https://${GITHUB_USER}:${GITHUB_TOKEN}@github.com/${GITHUB_USER}/${GITHUB_REPO}.git" "$WORKDIR" || {
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        send_telegram "⚠️ *Nezha 备份失败*：无法克隆仓库"
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        exit 1
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    }
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    cd "$WORKDIR" || exit 1
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    git config user.name "$GITHUB_USER"
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    git config user.email "${GITHUB_USER}@users.noreply.github.com"
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    # 检查仓库是否为空
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    if [ -z "$(ls -A "$WORKDIR")" ]; then
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        echo "# Nezha Backup Repo" > README.md
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        git add README.md
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        git commit -m "init repo"
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        git branch -M main
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        git push -u origin main
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        echo "[INFO] 已完成 GitHub 仓库初始化"
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    fi
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else
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    cd "$WORKDIR" || exit 1
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    git pull origin main >/dev/null 2>&1 || true
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fi
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echo "[INFO] 打包 $BACKUP_DIR..."
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tar --warning=no-file-changed -czf "/tmp/$TARFILE" -C "$BACKUP_DIR" . || {
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    send_telegram "⚠️ *Nezha 备份失败*：打包错误"
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    exit 1
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}
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mv "/tmp/$TARFILE" "$WORKDIR/"
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git add .
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# 删除超过 KEEP_DAYS 的旧备份
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echo "[INFO] 删除超过 $KEEP_DAYS 天的旧备份..."
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find "$WORKDIR" -name "nezha-backup-*.tar.gz" -type f -mtime +$KEEP_DAYS -exec git rm -f {} \; >/dev/null 2>&1
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# 提交并推送（只有变更时才提交）
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if git diff --cached --quiet; then
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    echo "[INFO] 没有新的备份文件需要提交"
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else
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    git commit -m "Backup on $DATE"
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    git push origin main || {
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        send_telegram "⚠️ *Nezha 备份失败*：推送错误"
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        exit 1
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    }
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    send_telegram "🎉 *Nezha 备份成功！* 已保存：$DATE，已自动清理超过 ${KEEP_DAYS} 天的旧备份"
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    echo "[INFO] 备份成功"
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fi