【Shell部署脚本】更换源

#!/bin/bash

# 异常捕捉
set -e

# # 判断权限
[ $(id -u) -gt 0 ] && echo "Error: 无法操作, 权限不够" && exit 1

# # 备份文件
cp /etc/apt/sources.list /etc/apt/sources.list.bak

# 阿里源18.04
aliyun_1804() {
    sudo tee /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
EOF
}

# 阿里源22.04
aliyun_2204() {
    sudo tee /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse
EOF
}

# 清华源18.04
tsinghua_1804() {
    sudo tee /etc/apt/sources.list <<EOF
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
EOF
}

# 清华源22.04
tsinghua_2204() {
    sudo tee /etc/apt/sources.list <<EOF
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
EOF
}

# 安装源
installSelectedSource() {
    selectedNum=$1
    case $selectedNum in
    "1")
        aliyun_1804
        ;;
    "2")
        tsinghua_1804
        ;;
    "3")
        aliyun_2204
        ;;
    "4")
        tsinghua_2204
        ;;
    *)
        echo "输入错误!"
        ;;
    esac
}

# 选择源
echo -e "\e[31m当前提供的可安装源如下: \e[0m"
sources=("阿里源18.04" "清华源18.04" "阿里源22.04" "清华源22.04")
for ((index = 0; index < ${#sources[@]}; index++)); do
    item="${sources[index]}"
    echo -e "\t$((index + 1)).$item"
done

maxNum=${#sources[@]}

echo -e "\033[32m请输入编号1-${maxNum}以继续(键入Ctrl-C, q, exit, quit退出) ▶\033[0m"
read selectedNum

if [[ "$selectedNum" =~ ^[0-9]+$ ]]; then
    if ((selectedNum >= 1 && selectedNum <= maxNum)); then
        installSelectedSource "${selectedNum}"
        exit 0
    fi
fi

case $selectedNum in
"q" | "exit" | "quit")
    exit 0
    ;;
*)
    echo "输入错误!"
    ;;
esac