# 1. Fetch latest LTS version string
deno_lts_version="$(deno eval '
  const r = await fetch("https://dl.deno.land/release-lts-latest.txt");
  if (!r.ok) throw new Error("Fetch failed");
  console.log((await r.text()).trim());
')"

# 2. Pull the digests for artifacts from the release
deno run \
  --allow-net=api.github.com,github.com,release-assets.githubusercontent.com \
  --allow-write=release_digests.sha256 \
  pull_digests.ts "${deno_lts_version}"

# 3. Extract the correct archive checksum
deno_lts_checksum="$(deno eval '
  const t = Deno.readTextFileSync("release_digests.sha256");
  const a = "(deno-" + Deno.build.target + ".zip)";
  const l = t.split("\n").find(i => i.includes(a));
  if (!l) throw new Error("No match");
  console.log(l.split(" = ").at(-1));
')"

# 4. Verify the archive and save its deno binary
deno upgrade \
  --output 'deno.lts' \
  --checksum="${deno_lts_checksum}" \
  "${deno_lts_version#v}"