penguins-eggs
Version:
A remaster system tool, compatible with Arch, Debian, Devuan, Ubuntu and others
115 lines (114 loc) • 3.89 kB
JavaScript
/**
* ./src/classes/yolk.ts
* penguins-eggs v.10.0.0 / ecmascript 2020
* author: Piero Proietti
* email: piero.proietti@gmail.com
* license: MIT
*/
import yaml from 'js-yaml';
import fs from 'node:fs';
import shx from 'shelljs';
import { exec } from '../lib/utils.js';
import Bleach from './bleach.js';
import Pacman from './pacman.js';
import Utils from './utils.js';
/**
*
*/
export default class Yolk {
echo = {};
verbose = false;
yolkDir = '/var/local/yolk';
/**
*
*/
async create(verbose = false) {
this.verbose = verbose;
this.echo = Utils.setEcho(verbose);
if (Utils.uefiArch() !== 'amd64') {
Utils.warning(`yolk is not used on ${Utils.uefiArch()} architecture`);
return;
}
Utils.warning(`Creating yolk on ${this.yolkDir}`);
Utils.warning('Updating system');
if (!Pacman.commandIsInstalled('dpkg-scanpackages')) {
Utils.warning(`I cannot find the command dpkg-scanpackages`);
process.exit(0);
}
let cmd = '';
try {
cmd = 'apt-get update --yes';
await exec(cmd, this.echo);
}
catch (error) {
console.log(error);
await Utils.pressKeyToExit(cmd);
process.exit(0);
}
if (this.exists()) {
await this.erase();
}
else {
await exec(`mkdir ${this.yolkDir} -p`, this.echo);
await exec(`chown _apt:root ${this.yolkDir} -R`, this.echo);
}
const yolk_yaml = '/etc/penguins-eggs.d/yolk.yaml';
const yolk = yaml.load(fs.readFileSync(yolk_yaml, 'utf8'));
process.chdir(this.yolkDir);
Utils.warning(`Downloading packages and its dependencies`);
for (const pkg of yolk.packages) {
Utils.warning(`- ${pkg}`);
cmd = `apt-cache depends --recurse --no-recommends --no-suggests --no-conflicts --no-breaks --no-replaces --no-enhances ${pkg} | grep "^\\w" | sort -u`;
let depends = pkg + '\n';
depends += (await exec(cmd, { capture: true, echo: false })).data;
await this.installDeps(depends.split('\n'));
}
// create Package.gz
cmd = 'dpkg-scanpackages -h md5,sha1,sha256 . | gzip -c > Packages.gz';
Utils.warning(cmd);
await exec(cmd, { capture: true, echo: false });
// Create Release date: Sat, 14 Aug 2021 07:42:00 UTC
const now = shx.exec('date -R -u').stdout.trim();
const content = `Archive: stable\nComponent: yolk\nOrigin: penguins-eggs\nArchitecture: ${Utils.uefiArch()} \nDate: ${now}\n`;
Utils.warning('Writing Release');
fs.writeFileSync('Release', content);
// Cleaning
Utils.warning('Cleaning apt cache');
const bleach = new Bleach();
await bleach.clean(verbose);
}
/**
* Svuota la repo yolk
*/
async erase() {
await exec(`rm ${this.yolkDir}/*`, this.echo);
}
/**
* Check if yoil exists and it's a repo
*/
exists() {
const check = `${this.yolkDir}/Packages.gz`;
return fs.existsSync(check);
}
/**
* if depends are not Installed
* download depends
* @param depends
*/
async installDeps(depends) {
// select for downloads only packages NOT already installed
const toDownloads = [];
for (const depend of depends) {
// if (depend !== '' && !Pacman.packageIsInstalled(depend)) {
toDownloads.push(depend);
// }
}
// now we go to downloads them
for (const toDownload of toDownloads) {
process.chdir(this.yolkDir);
const cmd = `apt-get download ${toDownload}`;
// Utils.warning(`- ${cmd}`)
await exec(cmd, this.echo);
}
}
}