attic-action/src/index.ts

import { install, isInstalled } from "./stages/install";
import { configure } from "./stages/configure";
import { push } from "./stages/push";
import { getState, saveState, info } from "@actions/core";

const isPost = !!getState("isPost");

const main = async () => {
	if (await isInstalled()) {
		info("Skipping attic installation because it is already installed");
	} else {
		await install();
	}
	await configure();
};

if (!isPost) {
	saveState("isPost", true);
	main();
} else {
	push();
}