Use memoize to remove unnecessary calls to git

Author: leeyi45

.github/actions/package.json

@@ -10,7 +10,8 @@
   },
   "dependencies": {
     "@actions/core": "^1.11.1",
-    "@actions/exec": "^1.1.1"
+    "@actions/exec": "^1.1.1",
+    "lodash": "^4.17.21"
   },
   "scripts": {
     "build": "node ./build.js",

.github/actions/src/info/index.ts

@@ -3,6 +3,7 @@ import pathlib from 'path';
 import utils from 'util';
 import * as core from '@actions/core';
 import { getExecOutput } from '@actions/exec';
+import memoize from 'lodash/memoize.js';
 import getGitRoot from './gitRoot.js';
 
 interface RawPackageRecord<T = boolean | null> {
@@ -51,7 +52,7 @@ type PackageRecord = BundlePackageRecord | TabPackageRecord | BasePackageRecord;
  * the master branch\
  * Used to determine, particularly for libraries if running tests and tsc are necessary
  */
-export async function checkForChanges(directory: string) {
+export const checkForChanges = memoize(async (directory: string) => {
   const { exitCode } = await getExecOutput(
     'git',
     ['--no-pager', 'diff', '--quiet', 'origin/master', '--', directory],
@@ -61,7 +62,7 @@ export async function checkForChanges(directory: string) {
     }
   );
   return exitCode !== 0;
-}
+});
 
 /**
  * Retrieves the information for all packages in the repository
@@ -227,6 +228,11 @@ async function main() {
     ...libs
   };
 
+  // Remove the root packages from the bundles and tabs collection
+  // of packages cause they're not supposed be used like that
+  delete bundles['@sourceacademy/bundles'];
+  delete tabs['@sourceacademy/tabs'];
+
   const summaryItems = Object.values(packages).map(packageInfo => {
     const relpath = pathlib.relative(gitRoot, packageInfo.directory);
     return `<div>

yarn.lock

@@ -3199,6 +3199,7 @@ __metadata:
     "@actions/exec": "npm:^1.1.1"
     "@sourceacademy/modules-repotools": "workspace:^"
     "@types/node": "npm:^22.15.30"
+    lodash: "npm:^4.17.21"
     typescript: "npm:^5.8.2"
     vitest: "npm:^3.2.3"
   languageName: unknown