NodeJs Github backup script (All Repositories)

github_backup.js

const https = require("https");
const fs = require("fs");
const { exec } = require("child_process");

const outputDir = "repos";
const token = "PERSONAL_ACCESS_TOKEN";

const options = {
  method: "GET",
  hostname: "api.github.com",
  path: "/user/repos",
  headers: {
    Authorization: `token ${token}`,
    "user-agent": "node.js",
  },
  maxRedirects: 20,
};

function doRequest(options) {
  return new Promise((resolve, reject) => {
    const req = https.request(options, function (res) {
      const chunks = [];

      res.on("data", function (chunk) {
        chunks.push(chunk);
      });

      res.on("end", function (chunk) {
        const body = Buffer.concat(chunks);
        resolve(JSON.parse(body.toString()));
      });

      res.on("error", function (error) {
        reject(error);
      });
    });

    req.end();
  });
}

async function backupGithub() {
  const repos = await doRequest(options);

  repos.forEach((repo) => {
    if (!fs.existsSync(outputDir)) {
      try {
        fs.mkdirSync(outputDir);
        console.log(`Directory doesn't exit creating '${outputDir}'`);
      } catch (error) {
        console.error(error);
      }
    }
    if (!fs.existsSync(`${outputDir}/${repo.clone_url.substring(30)}`)) {
      try {
        exec(
          `cd ${outputDir} && git clone --mirror https://${token}@${repo.clone_url.substring(
            8
          )}`
        );
        console.log(`Creating mirror ${repo.clone_url}`);
      } catch (error) {
        console.error(error);
      }
    } else {
      try {
        exec(
          `cd ${outputDir}/${repo.clone_url.substring(30)} && git remote update`
        );
        console.log(`Updating mirror ${repo.clone_url.substring(30)}`);
      } catch (error) {
        console.error(error);
      }
    }
  });
}

backupGithub();