Update _main.mjs

_main.mjs

@@ -1,11 +1,29 @@
 import { spawn } from "node:child_process";
-import { dirname, join } from "node:path";
 import { once } from "node:events";
+import { join, dirname } from "node:path";
+import { existsSync } from "node:fs";
 const file = join(dirname(process.argv[1]), "main.ts"); // 👈 CHANGE ME!
-const subprocess = spawn(`exec "$__FILE"`, {
-  shell: "bash",
-  stdio: "inherit",
-  env: { ...process.env, __FILE: file },
-});
-await once(subprocess, "spawn");
-subprocess.on("exit", (x) => process.exit(x));
+const response = await fetch("https://deno.com/versions.json");
+const json = await response.json();
+const tag = json.cli.find((x) => x.startsWith("v1."));
+const version = tag.slice(1);
+const DENO_INSTALL = join(
+  process.env.RUNNER_TOOL_CACHE,
+  "deno",
+  version,
+  process.arch,
+);
+if (!existsSync(DENO_INSTALL)) {
+  const subprocess1 = spawn(
+    `curl -fsSL https://deno.land/x/install/install.sh | sh -s "$tag"`,
+    { shell: "bash", env: { ...process.env, DENO_INSTALL, tag } },
+  );
+  await once(subprocess1, "exit");
+}
+const subprocess2 = spawn(
+  join(DENO_INSTALL, "bin", "deno"),
+  ["run", "-Aq", file],
+  { stdio: "inherit" },
+);
+await once(subprocess2, "spawn");
+subprocess2.on("exit", (x) => process.exit(x));