Enable Adminer MariaDB PHP extensions

scripts/start-adminer.ts

@@ -1,4 +1,4 @@
-import { createWriteStream, existsSync, mkdirSync } from "node:fs";
+import { createWriteStream, existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";
 import { get } from "node:https";
 import { dirname, resolve } from "node:path";
 import { spawn, spawnSync } from "node:child_process";
@@ -9,12 +9,17 @@ const host = process.env.ADMINER_HOST || "127.0.0.1";
 const port = process.env.ADMINER_PORT || "8080";
 const adminerDownloadUrl = process.env.ADMINER_DOWNLOAD_URL || "https://www.adminer.org/latest.php";
 const phpCommand = existsSync(localPhp) ? localPhp : "php";
+const usesLocalPhp = existsSync(localPhp);
 
 if (!commandExists(phpCommand)) {
   console.error("Adminer needs PHP CLI. Install PHP first, then run npm run adminer again.");
   process.exit(1);
 }
 
+if (usesLocalPhp) {
+  ensureLocalPhpMysqlExtensions();
+}
+
 if (!existsSync(adminerFile)) {
   mkdirSync(dirname(adminerFile), { recursive: true });
   await downloadFile(adminerDownloadUrl, adminerFile);
@@ -39,6 +44,29 @@ function commandExists(command: string): boolean {
   return result.status === 0;
 }
 
+function ensureLocalPhpMysqlExtensions(): void {
+  const phpDir = dirname(localPhp);
+  const phpIni = resolve(phpDir, "php.ini");
+  const template = resolve(phpDir, "php.ini-production");
+  const source = existsSync(phpIni) ? phpIni : template;
+
+  if (!existsSync(source)) {
+    console.warn("Local PHP is missing php.ini-production; Adminer may not have MariaDB extensions enabled.");
+    return;
+  }
+
+  let contents = readFileSync(source, "utf8");
+  contents = ensureIniLine(contents, /^;?\s*extension_dir\s*=.*$/m, 'extension_dir = "ext"');
+  contents = ensureIniLine(contents, /^;?\s*extension\s*=\s*mysqli\s*$/m, "extension=mysqli");
+  contents = ensureIniLine(contents, /^;?\s*extension\s*=\s*pdo_mysql\s*$/m, "extension=pdo_mysql");
+  writeFileSync(phpIni, contents);
+}
+
+function ensureIniLine(contents: string, pattern: RegExp, line: string): string {
+  if (pattern.test(contents)) return contents.replace(pattern, line);
+  return `${contents.trimEnd()}\n${line}\n`;
+}
+
 function downloadFile(url: string, target: string): Promise<void> {
   return new Promise((resolveDownload, rejectDownload) => {
     const request = get(url, (response) => {