Read language packs directly from bundled wp-files/latest/languages/

Author: bcotrim

apps/cli/lib/dependency-management/setup.ts

@@ -5,7 +5,6 @@ import semver from 'semver';
 import { readCliConfig, updateCliConfigWithPartial } from 'cli/lib/cli-config/core';
 import { getSqliteVersionFromInstallation } from 'cli/lib/sqlite-integration';
 import {
-	getLanguagePacksPath,
 	getPhpMyAdminPath,
 	getSqliteCommandPath,
 	getSqlitePluginPath,
@@ -200,34 +199,13 @@ async function copyBundledPhpMyAdmin() {
 	} );
 }
 
-async function copyBundledLanguagePacks() {
-	const sourceLanguagePacksPath = path.join( getWpFilesPath(), 'latest', 'languages' );
-	if ( ! fs.existsSync( sourceLanguagePacksPath ) ) {
-		return;
-	}
-	const targetLanguagePacksPath = getLanguagePacksPath();
-	const isSourceDirectoryDifferent = await areDirectoriesDifferentBySizeAndMtime(
-		sourceLanguagePacksPath,
-		targetLanguagePacksPath
-	);
-	if ( isSourceDirectoryDifferent ) {
-		try {
-			await fs.promises.rm( targetLanguagePacksPath, { recursive: true, force: true } );
-		} catch {
-			// Do nothing if the target directory is missing or corrupted
-		}
-		await recursiveCopyDirectory( sourceLanguagePacksPath, targetLanguagePacksPath );
-	}
-}
-
 export async function setupServerFiles() {
 	const steps: [ string, () => Promise< void > ][] = [
 		[ 'WordPress version', copyBundledLatestWpVersion ],
 		[ 'SQLite integration', copyBundledSqlite ],
 		[ 'WP-CLI', copyBundledWpCli ],
 		[ 'SQLite command', copyBundledSqliteCommand ],
 		[ 'translations', copyBundledTranslations ],
-		[ 'language packs', copyBundledLanguagePacks ],
 		[ 'phpMyAdmin', copyBundledPhpMyAdmin ],
 	];
 

apps/cli/lib/server-files.ts

@@ -46,8 +46,10 @@ export function getSqliteCommandPath(): string {
 	return path.join( getServerFilesPath(), SQLITE_COMMAND_DIRNAME );
 }
 
+// Language packs ship read-only with the CLI bundle and are copied into each site's
+// `wp-content/languages/` directory on site create. No writable cache needed.
 export function getLanguagePacksPath(): string {
-	return path.join( getServerFilesPath(), 'language-packs' );
+	return path.join( getWpFilesPath(), 'latest', 'languages' );
 }
 
 // AI instructions ship read-only with the CLI bundle and are installed into each site's