import { readFile } from "node:fs/promises";

const tag = process.argv[2];
if (!tag?.startsWith("v")) throw new Error("Release tag must have the form v<version>");
const packageJson = JSON.parse(await readFile(new URL("../package.json", import.meta.url), "utf8"));
const manifest = JSON.parse(await readFile(new URL("../install-manifest.json", import.meta.url), "utf8"));
const expected = tag.slice(1);
if (packageJson.version !== expected || manifest.version !== expected) {
  throw new Error(
    `Version mismatch: tag=${tag}, package=${packageJson.version}, manifest=${manifest.version}`,
  );
}