update to 25.05

nix/update-nixpkgs.mjs

@@ -0,0 +1,23 @@
+import fs from "node:fs/promises";
+
+const path = `${import.meta.dirname}/nixpkgs.json`;
+const nixpkgs = JSON.parse(await fs.readFile(path));
+
+const res = await fetch(
+  `https://api.github.com/repos/NixOS/nixpkgs/commits/${nixpkgs.channel}`
+);
+
+if (!res.ok) {
+  throw new Error(
+    `get commit for ${name}: ${res.status} - ${await res.text()}`
+  );
+}
+
+const body = await res.json();
+
+if (body.sha !== nixpkgs.commit) {
+  nixpkgs.commit = body.sha;
+  nixpkgs.lastUpdated = new Date().toISOString();
+
+  await fs.writeFile(path, JSON.stringify(nixpkgs, null, 2) + "\n");
+}