git_fetch.js

// from https://github.com/lethern/Bitburner_git_fetch

// if your github is https://github.com/Bob/Bitburner_lib, owner is Bob and repo is Bitburner_lib
let owner = "git-username-here";
let repo = "my-repo-name";

// if you want your files to be saved nested in a directory, type it here. Or leave it empty
let prefixDirectory = '';

// probably no changes here
let configFileName = 'git_fetch.txt';
let baseURL = 'https://raw.githubusercontent.com/';
let branch = 'main';

export async function main(ns) {
	let { filesToDownload } = await fetchConfig(ns);

	if (ns.getHostname() !== 'home') {
		throw new Error('Run the script from home');
	}
	
	if(prefixDirectory){
		if(!prefixDirectory.endsWith('/')) prefixDirectory += '/';
		if(prefixDirectory[0] !== '/') prefixDirectory = '/' + prefixDirectory;
	}

	for (let i in filesToDownload) {
		let filename = filesToDownload[i];
		try {
			await getFileFromGH(ns, filename);
			ns.tprint(`Installed: ${filename} [${Number(i)+1}/${filesToDownload.length}]`);
		} catch (e) {
			ns.tprint(`ERROR: tried to download ${filename}: `, e.message);
			throw e;
		}
	}

	ns.tprint("Install complete!");
}

async function fetchConfig(ns) {
	try {
		await getFileFromGH(ns, configFileName);
		let json = ns.read(configFileName);
		return JSON.parse(json);
	}catch(e){
		ns.tprint(`ERROR: Downloading and reading config file failed ${configFileName}`);
		throw e;
	}
}

async function getFileFromGH(ns, filepath) {
	let saveFilepath = prefixDirectory + filepath;
	
	await ns.scriptKill(saveFilepath, 'home')
	await ns.rm(saveFilepath)
	await ns.sleep(20)
	
	await githubReq(ns, filepath, saveFilepath);
}

async function githubReq(ns, filepath, saveFilepath) {
	let url = baseURL + owner + "/" + repo + "/" + branch + "/" + filepath;
	
	ns.print("Request to: "+url);
	await ns.wget(url, saveFilepath)
}