first commit

async-agent-lab/agent/workspace.ts

@@ -0,0 +1,29 @@
+// 每次运行把样例仓库复制一份，初始化成 git 仓库，方便看 diff。
+import { cpSync, mkdirSync, rmSync } from 'node:fs';
+import { execFileSync } from 'node:child_process';
+import { join } from 'node:path';
+import { PROJECT_ROOT } from './config.ts';
+
+export const FIXTURE = join(PROJECT_ROOT, 'fixture', 'order-service');
+export const RUNS_DIR = join(PROJECT_ROOT, '.runs');
+
+export function prepareWorkspace(runId: string): string {
+  const dir = join(RUNS_DIR, runId, 'order-service');
+  rmSync(dir, { recursive: true, force: true });
+  mkdirSync(dir, { recursive: true });
+  cpSync(FIXTURE, dir, { recursive: true });
+  const git = (...args: string[]) => execFileSync('git', args, { cwd: dir, stdio: 'ignore' });
+  git('init', '-q', '-b', 'main');
+  git('add', '-A');
+  git('-c', 'user.name=demo', '-c', 'user.email=demo@example.com', 'commit', '-qm', 'baseline');
+  return dir;
+}
+
+export function workspaceDiff(dir: string): string {
+  try {
+    execFileSync('git', ['add', '-A', '-N'], { cwd: dir, stdio: 'ignore' });
+    return execFileSync('git', ['diff', '--no-color'], { cwd: dir, encoding: 'utf8' });
+  } catch {
+    return '';
+  }
+}