add cache clean command

test/helpers/foundry/foundryup.mts

@@ -14,16 +14,26 @@ import {
   noop,
 } from './helpers.mts';
 import { Dir } from 'node:fs';
-import { opendir, symlink, unlink, copyFile } from 'node:fs/promises';
+import { opendir, symlink, unlink, copyFile, rm } from 'node:fs/promises';
 import { createHash } from 'node:crypto';
 
+const parsedArgs = parseArgs();
+
+const CACHE_DIR = join(homedir(), '.cache', 'metamask-extension');
+
+if (parsedArgs.command === 'cache clean') {
+  await rm(CACHE_DIR, { recursive: true, force: true });
+  say('done!');
+  process.exit(0);
+}
+
 const {
   repo,
   version: { version, tag },
   arch,
   platform,
   binaries,
-} = parseArgs();
+} = parsedArgs.options;
 
 printBanner();
 
@@ -34,7 +44,6 @@ say(
 const ext = platform === Platform.Windows ? BinFormat.Zip : BinFormat.Tar;
 const BIN_ARCHIVE_URL = `https://github.com/${repo}/releases/download/${tag}/foundry_${version}_${platform}_${arch}.${ext}`;
 const BIN_DIR = join(process.cwd(), 'node_modules', '.bin');
-const CACHE_DIR = join(homedir(), '.cache', 'metamask-extension');
 
 say(`downloading ${binaries.join(', ')}`);
 const url = new URL(BIN_ARCHIVE_URL);

test/helpers/foundry/helpers.mts

@@ -19,6 +19,7 @@ import { Stream } from 'node:stream';
 import { pipeline } from 'node:stream/promises';
 import { extract as extractTar } from 'tar';
 import { Source, Open as Unzip } from 'unzipper';
+import { Argv, InferredOptionTypes } from 'yargs';
 import yargs from 'yargs/yargs';
 
 export function noop() {}
@@ -43,6 +44,9 @@ export enum Binary {
 
 type Options = ReturnType<typeof getOptions>;
 type OptionsKeys = keyof Options;
+type ParsedOptions = {
+  [key in OptionsKeys]: InferredOptionTypes<Options>[key];
+};
 
 export function parseArgs(args: string[] = argv.slice(2)) {
   const { $0, _, ...parsed } = yargs()
@@ -54,19 +58,33 @@ export function parseArgs(args: string[] = argv.slice(2)) {
     .scriptName('yarn foundryup')
     // wrap output at a maximum of 120 characters or `process.stdout.columns`
     .wrap(Math.min(120, stdout.columns))
-    // enable the `--config` command, which allows the user to specify a custom
-    // config file containing webpack options
-    .config()
     .parserConfiguration({
       'strip-aliased': true,
       'strip-dashed': true,
     })
     // enable ENV parsing, which allows the user to specify foundryup options
     // via environment variables prefixed with `FOUNDRYUP_`
     .env('FOUNDRYUP')
-    .options(getOptions())
+    .command(['$0', 'install'], 'Install foundry binaries', getOptions())
+    .command('cache', '', (yargs) => {
+      yargs.command('clean', 'Remove the shared cache files').demandCommand();
+    })
     .parseSync(args);
-  return parsed as { [key in OptionsKeys]: (typeof parsed)[key] };
+
+  const command = _.join(' ');
+  switch (command) {
+    case 'cache clean':
+      return {
+        command,
+      } as const;
+    case '':
+    case 'install':
+      return {
+        command: 'install',
+        options: parsed as ParsedOptions,
+      } as const;
+  }
+  throw new Error(`Unknown command: '${command}'`);
 }
 
 function getOptions() {