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我经常切换设备的时候,每次都需要手动安装各种依赖:nvm、oh-my-zsh、pyenv等
每次都会发现安装脚本由于是github的地址,每次要不是很慢就是clone失败。
为了成功安装脚本要不是去找国内的版本,要不就是设置github的ddns。
就很麻烦。这就是这个项目诞生的缘由
例如:安装oh-my-zsh
为例子
这是官网提供给我们的地址:
sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
只需要在https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh
地址前面加上https://shell.oimi.space
即可,完整实例如下
sh -c "$(curl -fsSL https://shell.oimi.space/https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
本质上你请求https://shell.oimi.space/
带上github地址之后,服务会去获取到请求地址,然后去请求脚本的内容,并将脚本内的关于github的仓库的地址,都加上https://nn.oimi.space
这个前缀,这个前缀是一个github
的加速clone
服务走的是cloudflare
的CDN。以此来加速脚本的安装。
shell-cn Github 服务是托管在vercel
上面的。
Clone加速服务项目:gh-proxy
import { Response, Request } from "express" import * as express from 'express' import fetch from 'node-fetch'; import 'dotenv/config' const PORT = process.env.PORT || 3000 const ORIGIN_PROXY = process.env.ORIGIN_PROXY || 'https://nn.oimi.space' const app = express() const isUrl = (url: string) => { try { new URL(url) return true } catch (e) { return false } } const handlerGithubURL = (content: string, proxy: string) => { const handerKeys = ['https://github.com', 'https://raw.githubusercontent.com'] handerKeys.forEach(key => { content = content.replaceAll(key, `${proxy}/${key}`) }) return content } const getSourceData = (url: string, proxy: string) => { return new Promise(async (resolve, reject) => { try { const response = await fetch(`${proxy}/${url}`) const text = await response.text(); resolve(handlerGithubURL(text, proxy)) } catch(e) { reject(e) } }) } app.use('/', async (req: Request, res: Response, next: Function) => { let baseURL = req.originalUrl.slice(1) if (baseURL === 'favicon.ico') { next() } else { console.log(req.headers['accept-language']) if (!isUrl(baseURL)) { res.end("please provide correct url") } else { const BASEURL = new URL(baseURL) const sourceURL = baseURL.replace(BASEURL.search, '') const searchParams = new URLSearchParams(BASEURL.search); const PROXY_WEBURL = searchParams.get('proxy') ?? ORIGIN_PROXY if (!sourceURL) { res.send("please provide correct shell script url:" + sourceURL) } else { try { const shellContent = await getSourceData(sourceURL, PROXY_WEBURL) res.end(shellContent) } catch(e) { res.status(400) res.send('cant resolve this url: ' + sourceURL + '\Nerror:' + e) } } } } }) app.listen(PORT, () => { console.log(`server is running on: ${PORT}`); })
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