judge: auto add testlib.h to /w

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.4.1",
+    "version": "2.4.2",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/hydrojudge/src/check.ts

@@ -1,4 +1,5 @@
 import fs from 'fs-extra';
+import { resolve } from 'path';
 import checkers from './checkers';
 import compile from './compile';
 import { SystemError } from './error';
@@ -23,6 +24,7 @@ export async function check(config): Promise<[number, number, string]> {
 
 export async function compileChecker(checkerType: string, checker: string, copyIn: any) {
     if (!checkers[checkerType]) throw new SystemError('Unknown checker type {0}.', [checkerType]);
+    if (checkerType === 'testlib') copyIn['testlib.h'] = { src: resolve(__dirname, '../files/testlib.h') };
     const file = await fs.readFile(checker);
     // TODO cache compiled checker
     return await compile(parseFilename(checker).split('.')[1], file.toString(), 'checker', copyIn);