feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/bot-env-adapter/src/utils/current-branch.ts

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { execSync } from 'child_process';
+
+/**
+ * 获取当前 git 分支名称
+ * @returns 当前分支名称，如果不在 git 仓库中或发生错误则返回 undefined
+ */
+export function getCurrentBranch(): string | undefined {
+  try {
+    // 使用 git rev-parse 获取当前分支名
+    // --abbrev-ref 参数返回分支名而不是 commit hash
+    // HEAD 表示当前位置
+    const branch = execSync('git rev-parse --abbrev-ref HEAD', {
+      encoding: 'utf-8',
+    }).trim();
+
+    // 如果在 detached HEAD 状态，返回 undefined
+    if (branch === 'HEAD') {
+      return undefined;
+    }
+
+    return branch;
+  } catch (error) {
+    // 如果执行出错（比如不在 git 仓库中），返回 undefined
+    return '';
+  }
+}