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upgrade.sh

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+#!/bin/sh
+# ImmortalWrt 软路由一键升级脚本
+# 用法: curl -fsSL <此脚本的raw地址> -o /tmp/upgrade.sh && sh /tmp/upgrade.sh
+
+FIRMWARE_URL="https://git.stickrouter.com/mike/AC2100/raw/branch/main/x86.img.gz"
+FIRMWARE_FILE="/tmp/x86.img.gz"
+
+echo "=========================================="
+echo "  ImmortalWrt 固件升级脚本"
+echo "=========================================="
+echo ""
+echo "固件地址: $FIRMWARE_URL"
+echo "下载路径: $FIRMWARE_FILE"
+echo ""
+
+echo "[1/4] 正在下载固件..."
+rm -f "$FIRMWARE_FILE"
+
+RETRY=0
+MAX_RETRY=5
+MIN_SIZE=10000000
+
+while [ $RETRY -le $MAX_RETRY ]; do
+    if [ $RETRY -gt 0 ]; then
+        echo "第 $RETRY 次续传重试..."
+        sleep 3
+    fi
+
+    wget -c -O "$FIRMWARE_FILE" "$FIRMWARE_URL"
+
+    if [ -s "$FIRMWARE_FILE" ]; then
+        CURRENT_SIZE=$(ls -l "$FIRMWARE_FILE" | awk '{print $5}')
+    else
+        CURRENT_SIZE=0
+    fi
+
+    if [ "$CURRENT_SIZE" -ge "$MIN_SIZE" ]; then
+        break
+    fi
+
+    RETRY=$((RETRY+1))
+done
+
+if [ ! -s "$FIRMWARE_FILE" ] || [ "$(ls -l "$FIRMWARE_FILE" | awk '{print $5}')" -lt "$MIN_SIZE" ]; then
+    echo ""
+    echo "!! 下载失败或文件不完整（已重试 $MAX_RETRY 次），请检查网络连接或固件地址是否正确"
+    exit 1
+fi
+
+echo ""
+echo "[2/4] 下载完成，检查文件..."
+
+if [ ! -s "$FIRMWARE_FILE" ]; then
+    echo "!! 文件为空或不存在，下载可能已损坏"
+    exit 1
+fi
+
+FILESIZE=$(ls -l "$FIRMWARE_FILE" | awk '{print $5}')
+echo "文件大小: $FILESIZE 字节"
+
+if [ "$FILESIZE" -lt 10000000 ]; then
+    echo "!! 文件大小异常偏小 (小于 10MB)，可能下载不完整或链接返回了错误页面"
+    echo "!! 为安全起见，已中止刷机流程"
+    exit 1
+fi
+
+echo ""
+echo "[3/4] 校验固件与设备兼容性..."
+sysupgrade -T "$FIRMWARE_FILE"
+
+if [ $? -ne 0 ]; then
+    echo "!! 固件校验未通过，已中止刷机"
+    echo "!! 如确认固件无误，可手动执行: sysupgrade -v $FIRMWARE_FILE"
+    exit 1
+fi
+
+echo ""
+echo "[4/4] 校验通过，5 秒后开始刷机（全新安装，不保留旧配置）..."
+echo "!! 刷机过程中请勿断电，设备将自动重启"
+echo "!! 刷机后 LAN IP、密码等将恢复为固件编译时的默认值"
+sleep 5
+
+sysupgrade -n -v "$FIRMWARE_FILE"