这是一个切换 brew 镜像的脚本，菜单一键操作。目前只添加了阿里云和中科大的镜像源，如果需要使用其它镜像，请按照格式自行添加。
步骤：
- 新建文件
changeBrewMirror.sh； - 将下面的代码拷贝到文件中；
- 给文件赋予可执行权限
chmod u+x changeBrewMirror.sh； - 运行脚本
sh changeBrewMirror.sh或./changeBrewMirror.sh； - ok
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#!/bin/bash
################################################
# TODO: 修改 macOS 系统下的 brew 为国内镜像源
# 示例：
#
# ./changeBrewMirror.sh
#
# Author: whoru.S.Q <whoru@sqiang.net>
# Link: https://github.com/whorusq/learning-linux/blob/master/shell/changeBrewMirror.sh
# Version: 1.0
################################################
# 镜像列表
# 格式："镜像名称,brew地址,homebrew-core地址,homebrew-bottles地址"
MIRROR_LIST=(
"阿里云,https://mirrors.aliyun.com/homebrew/brew.git,https://mirrors.aliyun.com/homebrew/homebrew-core.git,https://mirrors.aliyun.com/homebrew/homebrew-bottles"
"中科院,https://mirrors.ustc.edu.cn/brew.git,https://mirrors.ustc.edu.cn/homebrew-core.git,https://mirrors.ustc.edu.cn/homebrew-bottles"
)
IFS_OLD=$IFS
# 支持的 shell 类型
# 其它类型请修改相关判断逻辑
SHELL_TYPE_LIST=("/bin/zsh" "/bin/bash")
# 当前 shell 的配置文件路径
SHELL_CONFIG_PATH=""
# 允许的操作序号
ALLOWED_CHOICE=(0)
# 输入错误计数
ERROR_NO=0
# 最大错误输入次数
MAX_ERROR_NO=3
# 菜单
function menu {
# 根据配置读取镜像列表，构造操作菜单
local menu_num=1
local MENUS=""
for(( i=1; i<=${#MIRROR_LIST[@]}; i++))
do
IFS=,
local mirror=(${MIRROR_LIST[$(($i-1))]})
MENUS=$MENUS"[${menu_num}]. ${mirror[0]}镜像源\n"
ALLOWED_CHOICE[i]=$menu_num
menu_num=$(($menu_num+1))
done
MENUS=$MENUS"[0]. 恢复默认\n"
clear
echo "-------------------------------------"
echo -en $MENUS
IFS=$IFS_OLD
echo "-------------------------------------"
getShellConfigPath ;
handleChoice ;
}
# 处理用户输入
function handleChoice {
echo -en "请输入\033[32m序号\033[0m选择要执行的操作: "
read choice
if [[ "${ALLOWED_CHOICE[@]}" =~ "$choice" ]]; then
if [ $choice -eq 0 ]; then
reset ;
else
change $choice;
fi
else
if [ $ERROR_NO -lt $MAX_ERROR_NO ]; then
echo -e "无效操作，请重新输入...\n"
ERROR_NO=$(($ERROR_NO+1))
handleChoice ;
else
echo -e "错误次数过多，请重新运行程序"
exit 1
fi
fi
}
# 获取 shell 配置文件路径
function getShellConfigPath {
local shell_type=`echo $SHELL`
if [[ "${SHELL_TYPE_LIST[@]}" =~ "$shell_type" ]]; then
case "$shell_type" in
"/bin/zsh")
SHELL_CONFIG_PATH=~/.zshrc
;;
"/bin/bash")
SHELL_CONFIG_PATH=~/.bash_profile
;;
*)
# default
;;
esac
else
echo -e "未知的 shell 类型，请手动设置"
exit 1
fi
}
# 显示上一步执行结果
function showResult {
if [ `echo $?` -eq 0 ]; then
echo "ok"
else
echo "failed"
fi
}
# 替换
# brew config | grep "${mirror_config[1]}" | wc -l
function change {
# 根据传过来的编号读取对应的配置信息
IFS=,
local mirror_config=(${MIRROR_LIST[$(($1-1))]})
# brew.git
echo -e "\n\033[32m==>\033[0m 替换\033[32m brew.git \033[0m\n"
cd "$(brew --repo)"
git remote set-url origin ${mirror_config[1]}
showResult ;
# homebrew-core.git
echo -e "\n\033[32m==>\033[0m 替换\033[32m homebrew-core.git \033[0m\n"
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
git remote set-url origin ${mirror_config[2]}
showResult ;
# 更新
echo -e "\n\033[32m==>\033[0m 更新\033[32m brew \033[0m\n"
brew update
showResult ;
# homebrew-bottles
echo -e "\n\033[32m==>\033[0m 替换\033[32m homebrew-bottles \033[0m\n"
local exp="export HOMEBREW_BOTTLE_DOMAIN=${mirror_config[3]}"
if [ $SHELL_CONFIG_PATH != "" ]; then
echo $exp >> $SHELL_CONFIG_PATH
source $SHELL_CONFIG_PATH >/dev/null 2>&1
else
echo -e "找不到 shell 配置文件，请手动将 $exp 添加到你系统的环境变量中。"
exit 1
fi
showResult ;
echo -e "\n成功切换到【${mirror_config[0]}】镜像源\n"
}
# 恢复
function reset {
echo -e "\n\033[32m==>\033[0m 恢复\033[32m brew.git \033[0m\n"
cd "$(brew --repo)"
git remote set-url origin https://github.com/Homebrew/brew.git
showResult ;
echo -e "\n\033[32m==>\033[0m 恢复\033[32m homebrew-core.git \033[0m\n"
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
git remote set-url origin https://github.com/Homebrew/homebrew-core.git
showResult ;
echo -e "\n\033[32m==>\033[0m 更新\033[32m brew \033[0m\n"
brew update
showResult ;
echo -e "\n\033[32m==>\033[0m 恢复\033[32m homebrew-bottles \033[0m\n"
sed -e '/HOMEBREW_BOTTLE_DOMAIN/d' $SHELL_CONFIG_PATH >/dev/null 2>&1
source $SHELL_CONFIG_PATH >/dev/null 2>&1
showResult ;
echo -e "\n已恢复\n"
}
menu ;
