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January 24, 2026 03:10
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| #!/usr/bin/env python | |
| import os | |
| import subprocess | |
| import sys | |
| # Homebrew 镜像配置脚本 | |
| # 支持镜像：tsinghua（清华）、ustc（中科大）、aliyun（阿里云）、official（官方） | |
| MIRROR_CHOICE = "tsinghua" # 只需改这里切换镜像 | |
| # 镜像配置表 | |
| MIRRORS = { | |
| "tsinghua": { | |
| "brew": "https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git", | |
| "core": "https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git", | |
| "cask": "https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-cask.git", | |
| "bottles": "https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles" | |
| }, | |
| "ustc": { | |
| "brew": "https://mirrors.ustc.edu.cn/git/homebrew/brew.git", | |
| "core": "https://mirrors.ustc.edu.cn/git/homebrew/homebrew-core.git", | |
| "cask": "https://mirrors.ustc.edu.cn/git/homebrew/homebrew-cask.git", | |
| "bottles": "https://mirrors.ustc.edu.cn/homebrew-bottles" | |
| }, | |
| "aliyun": { | |
| "brew": "https://mirrors.aliyun.com/homebrew/brew.git", | |
| "core": "https://mirrors.aliyun.com/homebrew/homebrew-core.git", | |
| "cask": "https://mirrors.aliyun.com/homebrew/homebrew-cask.git", | |
| "bottles": "https://mirrors.aliyun.com/homebrew-bottles" | |
| }, | |
| "official": { | |
| "brew": "https://github.com/Homebrew/brew.git", | |
| "core": "https://github.com/Homebrew/homebrew-core.git", | |
| "cask": "https://github.com/Homebrew/homebrew-cask.git", | |
| "bottles": "" | |
| } | |
| } | |
| # 校验镜像选择是否合法 | |
| if MIRROR_CHOICE not in MIRRORS: | |
| print(f"❌ 无效的镜像选择！可选：{', '.join(MIRRORS.keys())}") | |
| sys.exit(1) | |
| current_mirror = MIRRORS[MIRROR_CHOICE] | |
| # 封装系统命令执行函数 | |
| def run_cmd(cmd): | |
| """ | |
| 执行系统命令，返回 (输出内容, 是否执行成功) | |
| :param cmd: 要执行的命令字符串 | |
| :return: (stdout_str, is_success) | |
| """ | |
| result = subprocess.run( | |
| cmd, | |
| shell=True, | |
| capture_output=True, | |
| text=True, | |
| encoding="utf-8" | |
| ) | |
| stdout = result.stdout.strip() | |
| return stdout, result.returncode == 0 | |
| # 生成zsh环境变量配置文件（~/.brew_mirrors.sh） | |
| config_path = os.path.expanduser("~/.brew_mirrors.sh") | |
| # 处理bottles配置（空值则unset，否则export） | |
| if not current_mirror["bottles"]: | |
| bottles_config = "unset HOMEBREW_BOTTLE_DOMAIN" | |
| else: | |
| bottles_config = f'export HOMEBREW_BOTTLE_DOMAIN="{current_mirror["bottles"]}"' | |
| # 拼接配置文件内容 | |
| config_content = f'''#!/bin/zsh | |
| # 由Python脚本（brew_mirror.py）自动生成的Homebrew镜像配置 | |
| export HOMEBREW_BREW_GIT_REMOTE="{current_mirror["brew"]}" | |
| export HOMEBREW_CORE_GIT_REMOTE="{current_mirror["core"]}" | |
| export HOMEBREW_CASK_GIT_REMOTE="{current_mirror["cask"]}" | |
| {bottles_config} | |
| # 可选优化项 | |
| export HOMEBREW_NO_ANALYTICS=1 # 禁用数据分析（小幅提速） | |
| export HOMEBREW_NO_INSTALL_FROM_API=1 # 关闭API安装模式，兼容镜像 | |
| export HOMEBREW_SKIP_GPG_VERIFY=0 # 跳过GPG签名验证（提速） | |
| export HOMEBREW_AUTO_UPDATE_SECS=43200 # 每12小时自动更新一次 | |
| ''' | |
| # 写入配置文件（覆盖原有文件） | |
| with open(config_path, "w", encoding="utf-8") as f: | |
| f.write(config_content) | |
| print(f"✅ 已生成镜像配置文件：{config_path}") | |
| # 第二步：强制修改Homebrew仓库的remote | |
| def set_brew_remote(repo_name, remote_url): | |
| """ | |
| 修改指定Homebrew仓库的remote地址 | |
| :param repo_name: 仓库名（如homebrew/core，空字符串表示brew本体） | |
| :param remote_url: 镜像远程地址 | |
| """ | |
| # 获取仓库路径 | |
| repo_path, is_success = run_cmd(f"brew --repository {repo_name}") | |
| if is_success and repo_path: | |
| # 执行git remote set-url命令 | |
| run_cmd(f"git -C {repo_path} remote set-url origin {remote_url}") | |
| # 处理repo_name为空的情况（brew本体） | |
| display_name = f"“{repo_name}”" if repo_name else "brew本体" | |
| print(f"✅ 已设置{display_name}仓库remote：{remote_url}") | |
| else: | |
| print(f"⚠️ “{repo_name}”仓库路径不存在，跳过设置") | |
| # 设置核心仓库remote | |
| set_brew_remote("homebrew/core", current_mirror["core"]) | |
| set_brew_remote("homebrew/cask", current_mirror["cask"]) | |
| set_brew_remote("", current_mirror["brew"]) # brew本体仓库无repo_name，传空 | |
| # 第三步：将配置文件引入.zshrc（确保永久生效，避免重复添加） | |
| zshrc_path = os.path.expanduser("~/.zshrc") | |
| source_line = f"source {config_path}" | |
| # 检查.zshrc是否已包含该source行 | |
| try: | |
| with open(zshrc_path, "r", encoding="utf-8") as f: | |
| zshrc_content = f.read() | |
| if source_line not in zshrc_content: | |
| # 追加到.zshrc末尾 | |
| with open(zshrc_path, "a", encoding="utf-8") as f: | |
| f.write(f"\n{source_line}\n") | |
| print("✅ 已将配置文件引入 ~/.zshrc") | |
| except FileNotFoundError: | |
| # 处理.zshrc不存在的情况 | |
| print(f"⚠️ ~/.zshrc 文件不存在，跳过配置引入") | |
| # 第四步：输出验证信息 | |
| print("\n🎉 镜像配置完成！执行以下命令生效：") | |
| print("source ~/.zshrc && brew update-reset && brew cleanup") |
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