Update nim binaries installed through nimble

nimup.ts

import home_dir from "https://deno.land/x/dir@1.5.1/home_dir/mod.ts";

const updateAll = Deno.args.find((a) => a === "--update-all");

const binsPath = home_dir() + "/.nimble/bin";

for (const dirEntry of Deno.readDirSync(binsPath)) {
  if (!dirEntry.isSymlink) continue;

  const realBinPath = Deno.realPathSync(binsPath + "/" + dirEntry.name);

  // The pkg name can differ from the binary name
  const pkg = realBinPath.split("/").at(-2);
  if (!pkg) throw "failed to read pkg from " + realBinPath;

  const [name, version] = pkg.split("-");

  const pkgPath = realBinPath.split("/").slice(0, -1).join("/");
  const meta = JSON.parse(
    Deno.readTextFileSync(pkgPath + "/" + "nimblemeta.json"),
  );
  const pkgUrl = meta.url ? meta.url : meta.metaData.url;
  const upstreamVersion = await getLastTag(pkgUrl);

  console.log(`Pacakge ${name}`);
  console.log(`Installed version: ${version}`);
  console.log(`Upstream version: ${upstreamVersion}`);
  if (version != upstreamVersion) {
    if (updateAll || confirm("Do you want to update?")) {
      await new Deno.Command("nimble", { args: ["install", name] }).spawn()
        .status;
    }
  }
  console.log();
}

async function getLastTag(url: string) {
  const parsedUrl = parseGitHubUrl(url);
  if (!parsedUrl) throw "incorrect github url";
  const { owner, repo } = parsedUrl;

  const response = await fetch(
    `https://api.github.com/repos/${owner}/${repo}/tags`,
  );
  const tags = await response.json();
  if (tags.length > 0) {
    const name = tags[0].name;
    // Handle tags here
    if (name.startsWith("v")) return name.slice(1);
    else return name;
  } else {
    return null;
  }
}
function parseGitHubUrl(url: string) {
  const match = url.match(/^https:\/\/github.com\/([^/]+)\/([^/]+)\/?$/);
  if (match) {
    const owner = match[1];
    const repo = match[2];
    return { owner, repo };
  } else {
    return null;
  }
}

deno run https://gist.github.com/sigmaSd/7b2630eeb0d8ca0bb237ffaa354d9f95/raw/f0d37b50808c6a83eece0c0756bfa1c029e24d72/nimup.ts