/**
* Background update checker — non-blocking git fetch on startup.
* If new commits exist on origin/main, produces a one-time notice
* that gets appended to the first check_auth response.
*/
import { execFile } from "node:child_process";
import { fileURLToPath } from "node:url";
import { dirname, resolve } from "node:path";
const __filename = fileURLToPath(import.meta.url);
const projectRoot = resolve(dirname(__filename), "..", "..");
let notice: string | null = null;
export function initUpdateChecker(): void {
execFile("git", ["fetch", "origin", "main"], { cwd: projectRoot }, (err) => {
if (err) return;
execFile(
"git",
["rev-list", "--count", "HEAD..origin/main"],
{ cwd: projectRoot },
(err, stdout) => {
if (err) return;
const count = parseInt(stdout.trim(), 10);
if (count > 0) {
notice =
`Update available (${count} new commit${count === 1 ? "" : "s"}). ` +
"Run `brightspace-update` in your terminal to update.";
}
}
);
});
}
export function getUpdateNotice(): string | null {
const result = notice;
notice = null;
return result;
}
