feat: refactor commitAndPush to use GIT_ASKPASS for authentication and add tests

Reviewed-on: jiantw83/code-review#66

.gitea/ai-review/findings.json

@@ -0,0 +1,58 @@
+[
+  {
+    "level": "critical",
+    "role": "Leo",
+    "location": "app/git.js:11",
+    "suggestion": "GITEA_TOKEN 直接嵌入 URL 中，可能導致憑證洩漏。建議使用環境變數或安全的憑證管理方式來處理敏感資訊。",
+    "is_new": true
+  },
+  {
+    "level": "critical",
+    "role": "Maya",
+    "location": "app/git.js:1",
+    "suggestion": "缺少對 commitAndPush 函數的單元測試，應該為其添加測試以確保其正確性。",
+    "is_new": true
+  },
+  {
+    "level": "warning",
+    "role": "Leo",
+    "location": "app/git.js:25",
+    "suggestion": "在使用 fs.existsSync 檢查目錄是否存在時，應考慮使用非同步方法以避免阻塞事件循環。",
+    "is_new": true
+  },
+  {
+    "level": "warning",
+    "role": "Leo",
+    "location": "app/git.js:29",
+    "suggestion": "在 git clone 時使用 --depth=1 可能會導致未來需要完整歷史紀錄時的性能問題，建議根據實際需求調整。",
+    "is_new": true
+  },
+  {
+    "level": "warning",
+    "role": "Leo",
+    "location": "app/git.js:11",
+    "suggestion": "在使用 fs.copyFileSync 時，未檢查目標檔案是否存在，可能會覆蓋重要資料。建議在複製之前檢查檔案是否存在。",
+    "is_new": true
+  },
+  {
+    "level": "warning",
+    "role": "Leo",
+    "location": "app/git.js:11",
+    "suggestion": "在 commitAndPush 函數中，對於 git 操作的錯誤處理不夠完善，應該添加更多的測試來驗證不同情況下的行為。",
+    "is_new": true
+  },
+  {
+    "level": "info",
+    "role": "Leo",
+    "location": ".gitea/workflows/review.yaml:5",
+    "suggestion": "建議在 'branches-ignore' 前加上空行，以提高可讀性。",
+    "is_new": true
+  },
+  {
+    "level": "info",
+    "role": "Leo",
+    "location": "app/git.js:45",
+    "suggestion": "考慮使用 async/await 來處理 fs.copyFileSync，以提高可讀性和錯誤處理能力。",
+    "is_new": true
+  }
+]

.gitea/workflows/review.yaml

@@ -1,6 +1,11 @@
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   version:

Dockerfile

@@ -1,9 +1,9 @@
-FROM node:20-slim
+FROM alpine
 
-# force rebuild to ensure git is installed
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    git \
-    && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache bash nodejs npm git \
+    && node --version \
+    && npm --version \
+    && git --version
 
 WORKDIR /action
 

app/git.js

@@ -1,6 +1,7 @@
 import { spawnSync } from 'child_process';
+import fs from 'fs';
 import path from 'path';
-import { GITEA_SERVER_URL, GITEA_REPOSITORY, GITEA_TOKEN, PR_HEAD_BRANCH, FINDINGS_PATH } from './config.js';
+import { GITEA_SERVER_URL, GITEA_REPOSITORY, PR_HEAD_BRANCH, FINDINGS_PATH } from './config.js';
 
 function git(args, cwd) {
   const result = spawnSync('git', args, { cwd, encoding: 'utf8' });
@@ -10,14 +11,43 @@ function git(args, cwd) {
 }
 
 export async function commitAndPush(workspace) {
-  const repoDir = path.join(workspace, GITEA_REPOSITORY);
-  const remoteUrl = GITEA_SERVER_URL.replace(/\/$/, '').replace('https://', `https://${GITEA_TOKEN}@`).replace('http://', `http://${GITEA_TOKEN}@`) + `/${GITEA_REPOSITORY}.git`;
+  const remoteUrl = GITEA_SERVER_URL.replace(/\/$/, '') + `/${GITEA_REPOSITORY}.git`;
+
+  const repoDir = path.join(workspace, 'repo');
 
   try {
+    if (!fs.existsSync(repoDir)) {
+      // Use GIT_ASKPASS to provide token for authentication
+      gitWithToken(['clone', '--depth=1', '--branch', PR_HEAD_BRANCH, remoteUrl, repoDir], workspace);
+    }
+
     git(['config', 'user.email', 'ai-review[bot]@gitea'], repoDir);
     git(['config', 'user.name', 'AI Review Bot'], repoDir);
     git(['fetch', 'origin', PR_HEAD_BRANCH], repoDir);
     git(['checkout', PR_HEAD_BRANCH], repoDir);
+// Helper to run git with GITEA_TOKEN via GIT_ASKPASS
+import { GITEA_TOKEN } from './config.js';
+function gitWithToken(args, cwd) {
+  const askPassScript = `#!/bin/sh\necho \"${GITEA_TOKEN}\"`;
+  const askPassPath = path.join(cwd, 'git-askpass.sh');
+  fs.writeFileSync(askPassPath, askPassScript, { mode: 0o700 });
+  const result = spawnSync('git', args, {
+    cwd,
+    encoding: 'utf8',
+    env: { ...process.env, GIT_ASKPASS: askPassPath },
+  });
+  fs.unlinkSync(askPassPath);
+  if (result.error) throw result.error;
+  if (result.status !== 0) throw new Error((result.stderr || result.stdout || '').trim());
+  return (result.stdout || '').trim();
+}
+
+    // 將 findings.json 從 workspace 複製到 clone 的 repo
+    const srcFindings = path.join(workspace, FINDINGS_PATH);
+    const destFindings = path.join(repoDir, FINDINGS_PATH);
+    fs.mkdirSync(path.dirname(destFindings), { recursive: true });
+    fs.copyFileSync(srcFindings, destFindings);
+
     git(['add', FINDINGS_PATH], repoDir);
 
     const status = git(['status', '--porcelain'], repoDir);

app/git.test.js

@@ -0,0 +1,30 @@
+import { commitAndPush } from './git.js';
+import fs from 'fs';
+import path from 'path';
+
+// Mock dependencies and environment
+jest.mock('fs');
+jest.mock('child_process', () => ({
+  spawnSync: jest.fn(() => ({ status: 0, stdout: '', stderr: '' }))
+}));
+
+describe('commitAndPush', () => {
+  const workspace = '/tmp/workspace';
+  const repoDir = path.join(workspace, 'repo');
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    fs.existsSync.mockReturnValue(false);
+    fs.writeFileSync.mockImplementation(() => {});
+    fs.unlinkSync.mockImplementation(() => {});
+  });
+
+  it('should clone repo and configure git', async () => {
+    await expect(commitAndPush(workspace)).resolves.not.toThrow();
+  });
+
+  it('should not clone if repo exists', async () => {
+    fs.existsSync.mockReturnValue(true);
+    await expect(commitAndPush(workspace)).resolves.not.toThrow();
+  });
+});