#!/bin/bash

# 检测系统类型
if [ -f /etc/os-release ]; then
    source /etc/os-release
    distro=$ID
else
    echo "无法识别系统类型"
    exit 1
fi

# 根据发行版执行更新
case $distro in
    alpine)
        echo "更新 Alpine 系统"
        sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
        apk update && apk upgrade
        ;;
    ubuntu)
        echo "更新 Ubuntu 系统"
        sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list
        apt-get update && apt-get upgrade -y
        ;;
    debian)
        echo "更新 Debian 系统"
        sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
        apt-get update && apt-get upgrade -y
        ;;
    arch)
        echo "更新 Arch 系统"
        pacman -Syu --noconfirm
        ;;
    *)
        echo "不支持的发行版: $distro"
        exit 1
        ;;
esac