Centralize encrypted bot profiles

prepare.ts

@@ -0,0 +1,25 @@
+import { prepareRuntime } from "./runtime.ts";
+
+const env = (name: string): string => {
+  const value = Deno.env.get(name);
+  if (!value) throw new Error(`${name} is not set`);
+  return value;
+};
+
+const manifest = await prepareRuntime(
+  env("ACTION_PATH"),
+  env("RUNNER_TEMP"),
+  env("BOT_AGENTS_MASTER_KEY"),
+);
+try {
+  await Deno.writeTextFile(
+    env("GITHUB_OUTPUT"),
+    `manifest=${manifest.manifestPath}\n`,
+    { append: true },
+  );
+} catch (error) {
+  await Deno.remove(manifest.runtimeDir, { recursive: true }).catch(() =>
+    undefined
+  );
+  throw error;
+}