128 lines
3.8 KiB
Bash
Executable File
128 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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# Debian 一键更换清华镜像源脚本 (DEB822 格式)
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# 支持 Debian 12 (bookworm)、13 (trixie)、14 (forky) 及后续版本
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set -e
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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TUNA_DEBIAN="https://mirrors.tuna.tsinghua.edu.cn/debian"
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SECURITY_DEBIAN="https://security.debian.org/debian-security"
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KEYRING="/usr/share/keyrings/debian-archive-keyring.gpg"
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SOURCES_FILE="/etc/apt/sources.list.d/debian.sources"
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LEGACY_LIST="/etc/apt/sources.list"
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# 检测是否为 root 用户
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if [ "$EUID" -ne 0 ]; then
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echo -e "${RED}错误: 请使用 root 权限运行此脚本${NC}"
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echo "使用: sudo $0"
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exit 1
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fi
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# 检测 Debian 版本与代号
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detect_debian() {
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if [ ! -f /etc/os-release ]; then
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echo -e "${RED}错误: 未检测到 /etc/os-release，无法识别系统${NC}"
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exit 1
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fi
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. /etc/os-release
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if [ "${ID:-}" != "debian" ]; then
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echo -e "${YELLOW}警告: 当前系统 ID 为 '${ID:-未知}'，并非纯 Debian，继续操作可能不适用${NC}"
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fi
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DEBIAN_VERSION=${VERSION_ID:-$(cut -d. -f1 /etc/debian_version 2>/dev/null)}
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CODENAME=$(echo "${VERSION_CODENAME:-}" | tr '[:upper:]' '[:lower:]')
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# 若 os-release 未提供代号，按主版本号兜底推断
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if [ -z "$CODENAME" ]; then
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case "${DEBIAN_VERSION%%.*}" in
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12) CODENAME="bookworm" ;;
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13) CODENAME="trixie" ;;
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14) CODENAME="forky" ;;
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*)
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echo -e "${RED}错误: 无法确定 Debian 代号 (版本: ${DEBIAN_VERSION:-未知})${NC}"
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exit 1
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;;
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esac
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fi
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case "${DEBIAN_VERSION%%.*}" in
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12 | 13 | 14) ;;
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*)
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echo -e "${YELLOW}警告: 当前 Debian 主版本为 '${DEBIAN_VERSION%%.*}'，脚本主要面向 12/13/14，仍将按代号 '${CODENAME}' 生成配置${NC}"
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;;
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esac
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}
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# 生成 DEB822 格式的 .sources 内容
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generate_sources() {
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cat <<EOF
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Types: deb
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URIs: ${TUNA_DEBIAN}
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Suites: ${CODENAME} ${CODENAME}-updates ${CODENAME}-backports
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Components: main contrib non-free non-free-firmware
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Signed-By: ${KEYRING}
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# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
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# Types: deb-src
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# URIs: ${TUNA_DEBIAN}
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# Suites: ${CODENAME} ${CODENAME}-updates ${CODENAME}-backports
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# Components: main contrib non-free non-free-firmware
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# Signed-By: ${KEYRING}
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# 以下安全更新软件源为官方源配置
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Types: deb
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URIs: ${SECURITY_DEBIAN}
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Suites: ${CODENAME}-security
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Components: main contrib non-free non-free-firmware
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Signed-By: ${KEYRING}
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# Types: deb-src
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# URIs: ${SECURITY_DEBIAN}
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# Suites: ${CODENAME}-security
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# Components: main contrib non-free non-free-firmware
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# Signed-By: ${KEYRING}
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EOF
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}
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main() {
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echo -e "${GREEN}=== Debian 一键更换清华镜像源 (DEB822) ===${NC}\n"
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detect_debian
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echo -e "${GREEN}检测到 Debian ${DEBIAN_VERSION} (${CODENAME})${NC}\n"
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local stamp
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stamp=$(date +%Y%m%d_%H%M%S)
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# 备份并停用旧版 sources.list，避免与 DEB822 配置重复
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if [ -s "$LEGACY_LIST" ]; then
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cp "$LEGACY_LIST" "${LEGACY_LIST}.backup.${stamp}"
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: >"$LEGACY_LIST"
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echo -e "${GREEN}已备份并清空旧版 sources.list -> ${LEGACY_LIST}.backup.${stamp}${NC}"
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fi
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# 备份已有的 .sources 文件
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if [ -f "$SOURCES_FILE" ]; then
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cp "$SOURCES_FILE" "${SOURCES_FILE}.backup.${stamp}"
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echo -e "${GREEN}已备份原有 debian.sources -> ${SOURCES_FILE}.backup.${stamp}${NC}"
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fi
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mkdir -p "$(dirname "$SOURCES_FILE")"
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generate_sources >"$SOURCES_FILE"
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echo -e "${GREEN}已写入清华镜像源配置 -> ${SOURCES_FILE}${NC}\n"
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echo -e "${YELLOW}正在更新软件包列表...${NC}"
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apt update
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echo -e "\n${GREEN}✓ 清华镜像源更换完成！${NC}"
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}
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main
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