1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.tradefed.command;
17 
18 import com.android.tradefed.util.ResourceUtil;
19 
20 import java.io.File;
21 
22 /** Detects and returns whether this is a local developer running Tradefed. */
23 public class LocalDeveloper {
24 
25     private static final String CLIENT_ID_FILE = "/local_dev/client_id_file.json";
26 
27     /** Returns error code 0 for a local developer, and non-zero for not local. */
main(final String[] mainArgs)28     public static void main(final String[] mainArgs) {
29         String localClientEnv = System.getenv("LOCAL_CLIENT_FILE");
30         File clientFile = null;
31         // If we are explicitly given a local client file, use it.
32         if (localClientEnv == null) {
33             System.exit(1);
34         }
35         clientFile = new File(localClientEnv);
36         if (clientFile.exists()) {
37             System.exit(0);
38         }
39         // If the bundled client file exists
40         boolean res = ResourceUtil.extractResourceAsFile(CLIENT_ID_FILE, clientFile);
41         if (res) {
42             System.exit(0);
43         }
44         // Delete the tmp file in case of issue
45         clientFile.delete();
46         System.exit(1);
47     }
48 }
49