chore(java): rename master branch to main (GoogleCloudPlatform#6134)

eaball35 · web-flow · commit f1d71a63e924 · 2021-10-21T12:53:16.000-07:00
* chore: rename master to main

* chore: revert a few incorrect updates
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
@@ -2,7 +2,7 @@ Fixes #issue
 
 > It's a good idea to open an issue first for discussion.
 
-- [ ] I have followed [Sample Format Guide](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/SAMPLE_FORMAT.md)
+- [ ] I have followed [Sample Format Guide](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/SAMPLE_FORMAT.md)
 - [ ] `pom.xml` parent set to latest `shared-configuration`
 - [ ] Appropriate changes to README are included in PR
 - [ ] API's need to be enabled to test (tell us)
diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
@@ -2,7 +2,7 @@ rebaseMergeAllowed: true
 squashMergeAllowed: true
 mergeCommitAllowed: false
 branchProtectionRules:
-- pattern: master
+- pattern: main
   isAdminEnforced: true
   requiredStatusCheckContexts:
     - 'Kokoro CI - Java 11'
diff --git a/.github/templates/getting-sample-code.mdpp b/.github/templates/getting-sample-code.mdpp
@@ -1,7 +1,7 @@
 ## Getting the sample code
 
 Get the latest sample code from GitHub using Git or download the repository as a ZIP file.
-([Download](https://github.com/GoogleCloudPlatform/java-docs-samples/archive/master.zip))
+([Download](https://github.com/GoogleCloudPlatform/java-docs-samples/archive/main.zip))
 
     git clone https://github.com/GoogleCloudPlatform/java-docs-samples.git
 
diff --git a/.kokoro/java11/presubmit.cfg b/.kokoro/java11/presubmit.cfg
@@ -19,8 +19,8 @@ env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/java-docs-samples/.kokoro/tests/run_tests.sh"
 }
-# Only diff from master
+# Only diff from main
 env_vars: {
     key: "GIT_DIFF"
-    value: "origin/master... ."
+    value: "origin/main... ."
 }
diff --git a/.kokoro/java8/presubmit.cfg b/.kokoro/java8/presubmit.cfg
@@ -19,8 +19,8 @@ env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/java-docs-samples/.kokoro/tests/run_tests.sh"
 }
-# Only diff from master
+# Only diff from main
 env_vars: {
     key: "GIT_DIFF"
-    value: "origin/master... ."
+    value: "origin/main... ."
 }
diff --git a/.kokoro/lint/presubmit.cfg b/.kokoro/lint/presubmit.cfg
@@ -17,5 +17,5 @@
 # Tell the trampoline which build file to use.
 env_vars: {
     key: "GIT_DIFF"
-    value: "origin/master... ."
+    value: "origin/main... ."
 }
diff --git a/.kokoro/tests/run_test_java.sh b/.kokoro/tests/run_test_java.sh
@@ -67,7 +67,7 @@ if [[ "$file" == "run/"* ]]; then
 fi
 
 # If this is a periodic build, send the test log to the FlakyBot.
-# See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
+# See https://github.com/googleapis/repo-automation-bots/tree/main/packages/flakybot.
 if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
     chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
     $KOKORO_GFILE_DIR/linux_amd64/flakybot
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 # Google Cloud Platform Java Samples
 
 ![Kokoro Build Status](https://storage.googleapis.com/cloud-devrel-kokoro-resources/java/badges/java-docs-samples.png)
-[![Coverage Status](https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples/branch/master/graph/badge.svg)](https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples)
+[![Coverage Status](https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples/branch/main/graph/badge.svg)](https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples)
 
 <a href="https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/java-docs-samples&page=editor&open_in_editor=README.md">
 <img alt="Open in Cloud Shell" src ="http://gstatic.com/cloudssh/images/open-btn.png"></a>
diff --git a/SAMPLE_FORMAT.md b/SAMPLE_FORMAT.md
@@ -34,7 +34,7 @@
 
 This doc maintains an outline for 'snippet' samples specific to Java. Currently, the Java canonical
 samples in this format are located 
-[here](https://github.com/googleapis/java-dlp/tree/master/samples/snippets).
+[here](https://github.com/googleapis/java-dlp/tree/main/samples/snippets).
 
 Larger sample applications should attempt to follow these guidelines as well, but some may
 be ignored or waived as there can be many structural differences between applications and snippets.
@@ -131,7 +131,7 @@ mind when setting up tests.
 * **Environment variables**  
   Minimize additional environment variables that need to be set to run the tests.
   If you do require additional environment variables, they should be added to
-  [run_tests.sh](../../blob/master/.kokoro/tests/run_tests.sh).
+  [run_tests.sh](../../blob/main/.kokoro/tests/run_tests.sh).
 
   Existing environment variables include:
   * `GOOGLE_APPLICATION_CREDENTIALS`
diff --git a/appengine-java8/README.md b/appengine-java8/README.md
@@ -43,7 +43,7 @@ access control, billing, and services.
 This sample demonstrates how to deploy an application on Google App Engine.
 
 - [Documentation][ae-docs]
-- [Code](https://github.com/GoogleCloudPlatform/getting-started-java/tree/master/appengine-standard-java8/helloworld)
+- [Code](https://github.com/GoogleCloudPlatform/getting-started-java/tree/main/appengine-standard-java8/helloworld)
 
 ### Sending Email
 
diff --git a/appengine-java8/pubsub/src/main/java/com/example/appengine/pubsub/PubSubAuthenticatedPush.java b/appengine-java8/pubsub/src/main/java/com/example/appengine/pubsub/PubSubAuthenticatedPush.java
@@ -43,7 +43,7 @@ public class PubSubAuthenticatedPush extends HttpServlet {
           /**
            * Please change example.com to match with value you are providing while creating
            * subscription as provided in @see <a
-           * href="https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/appengine-java8/pubsub">README</a>.
+           * href="https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/appengine-java8/pubsub">README</a>.
            */
           .setAudience(Collections.singletonList("example.com"))
           .build();
diff --git a/automl/README.md b/automl/README.md
@@ -1,3 +1,3 @@
 # AutoML Samples have been moved
 
-[https://github.com/googleapis/java-automl](https://github.com/googleapis/java-automl/tree/master/samples).
+[https://github.com/googleapis/java-automl](https://github.com/googleapis/java-automl/tree/main/samples).
diff --git a/bigquery/README.md b/bigquery/README.md
@@ -2,8 +2,8 @@
 
 The samples have been moved to live alongside the Java client libraries for Cloud BigQuery:
 
-[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/master/samples/snippets/src/main/java/com/example/bigquery)
+[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/main/samples/snippets/src/main/java/com/example/bigquery)
 
-[BigQueryStorage samples](https://github.com/googleapis/java-bigquerystorage/tree/master/samples/snippets/src/main/java/com/example/bigquerystorage)
+[BigQueryStorage samples](https://github.com/googleapis/java-bigquerystorage/tree/main/samples/snippets/src/main/java/com/example/bigquerystorage)
 
-[BigQueryDataTransfer samples](https://github.com/googleapis/java-bigquerydatatransfer/tree/master/samples/snippets/src/main/java/com/example/bigquerydatatransfer)
+[BigQueryDataTransfer samples](https://github.com/googleapis/java-bigquerydatatransfer/tree/main/samples/snippets/src/main/java/com/example/bigquerydatatransfer)
diff --git a/bigquery/bigquerystorage/README.md b/bigquery/bigquerystorage/README.md
@@ -1,4 +1,4 @@
 # Getting Started with BigQueryStorage and the Google Java API Client library
 
 The samples have been moved to live alongside the Java client library for Cloud BigQueryStorage:
-[BigQueryStorage samples](https://github.com/googleapis/java-bigquerystorage/tree/master/samples/snippets/src/main/java/com/example/bigquerystorage)
+[BigQueryStorage samples](https://github.com/googleapis/java-bigquerystorage/tree/main/samples/snippets/src/main/java/com/example/bigquerystorage)
diff --git a/bigquery/cloud-client/README.md b/bigquery/cloud-client/README.md
@@ -1,4 +1,4 @@
 # Getting Started with BigQuery and the Google Java API Client library
 
 The samples have been moved to live alongside the Java client library for Cloud BigQuery:
-[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/master/samples/snippets/src/main/java/com/example/bigquery)
+[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/main/samples/snippets/src/main/java/com/example/bigquery)
diff --git a/bigquery/datatransfer/README.md b/bigquery/datatransfer/README.md
@@ -1,4 +1,4 @@
 # Getting Started with BigQueryDataTransfer and the Google Java API Client library
 
 The samples have been moved to live alongside the Java client library for Cloud BigQueryDataTransfer:
-[BigQueryDataTransfer samples](https://github.com/googleapis/java-bigquerydatatransfer/tree/master/samples/snippets/src/main/java/com/example/bigquerydatatransfer)
+[BigQueryDataTransfer samples](https://github.com/googleapis/java-bigquerydatatransfer/tree/main/samples/snippets/src/main/java/com/example/bigquerydatatransfer)
diff --git a/bigquery/rest/README.md b/bigquery/rest/README.md
@@ -1,4 +1,4 @@
 # Getting Started with BigQuery REST API
 
 The samples have been moved to live alongside the Java client library for Cloud BigQuery: 
-[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/master/samples/snippets/src/main/java/com/example/bigquery)
+[BigQuery samples](https://github.com/googleapis/java-bigquery/tree/main/samples/snippets/src/main/java/com/example/bigquery)
diff --git a/bigtable/spark/README.md b/bigtable/spark/README.md
@@ -2,7 +2,7 @@
 
 ## Overview
 
-The project shows how to read data from or write data to [Cloud Bigtable](https://cloud.google.com/bigtable) using [Apache Spark](https://spark.apache.org/) and [Apache HBase™ Spark Connector](https://github.com/apache/hbase-connectors/tree/master/spark).
+The project shows how to read data from or write data to [Cloud Bigtable](https://cloud.google.com/bigtable) using [Apache Spark](https://spark.apache.org/) and [Apache HBase™ Spark Connector](https://github.com/apache/hbase-connectors/tree/main/spark).
 
 **Apache Spark** is the execution environment that can distribute and parallelize data processing (loading data from and writing data to various data sources).
 Apache Spark provides DataSource API for external systems to plug into as data sources (also known as data providers).
diff --git a/codecov.yml b/codecov.yml
@@ -1,6 +1,6 @@
 codecov:
-  branch: master
+  branch: main
 
 comment:
   branches:
-  - master
+  - main
diff --git a/compute/cmdline/README.md b/compute/cmdline/README.md
@@ -117,7 +117,7 @@ For more information see setting your [Project ID][6].
 [2]: http://java.com/en/download/faq/develop.xml
 [3]: https://cloud.google.com/compute/
 [4]: https://console.cloud.google.com/project
-[5]: https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/compute/cmdline/src/main/java/ComputeEngineSample.java#L54
+[5]: https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/compute/cmdline/src/main/java/ComputeEngineSample.java#L54
 [6]: https://support.google.com/cloud/answer/6158840
 [7]: http://git-scm.com/downloads
 [8]: http://maven.apache.org/download.html
diff --git a/endpoints/getting-started-grpc/api_config.yaml b/endpoints/getting-started-grpc/api_config.yaml
@@ -19,7 +19,7 @@
 #
 
 # The configuration schema is defined by service.proto file
-# https://github.com/googleapis/googleapis/blob/master/google/api/service.proto
+# https://github.com/googleapis/googleapis/blob/main/google/api/service.proto
 type: google.api.Service
 config_version: 3
 
diff --git a/eventarc/audit-storage/README.md b/eventarc/audit-storage/README.md
@@ -2,7 +2,7 @@
 
 This sample shows how to create a service that processes GCS events.
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/eventarc/generic/README.md b/eventarc/generic/README.md
@@ -2,7 +2,7 @@
 
 This sample shows how to create a service that processes generic [CloudEvents](https://cloudevents.io/).
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/eventarc/pubsub/README.md b/eventarc/pubsub/README.md
@@ -2,7 +2,7 @@
 
 This sample shows how to create a service that processes Pub/Sub messages.
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/flexible/README.md b/flexible/README.md
@@ -15,7 +15,7 @@ scaffolding for other frameworks and use cases.
 ## Getting the sample code
 
 Get the latest sample code from GitHub using Git or download the repository as a ZIP file.
-([Download](https://github.com/GoogleCloudPlatform/java-docs-samples/archive/master.zip))
+([Download](https://github.com/GoogleCloudPlatform/java-docs-samples/archive/main.zip))
 
     git clone https://github.com/GoogleCloudPlatform/java-docs-samples.git
 
diff --git a/flexible/async-rest/README.md b/flexible/async-rest/README.md
@@ -7,7 +7,7 @@
 
 This web app demonstrates using asynchronous servlet techniques to reduce server resources.
 
-The code for this tutorial is [here](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/flexible/async-rest).
+The code for this tutorial is [here](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/flexible/async-rest).
 
 
 ## Initial Setup ##
diff --git a/flexible/sparkjava/README.md b/flexible/sparkjava/README.md
@@ -4,7 +4,7 @@
 <img alt="Open in Cloud Shell" src ="http://gstatic.com/cloudssh/images/open-btn.png"></a>
 
 This app demonstrates how to use [Datastore with the Google Cloud client
-library](https://github.com/GoogleCloudPlatform/google-cloud-java/tree/master/google-cloud-datastore)
+library](https://github.com/GoogleCloudPlatform/google-cloud-java/tree/main/google-cloud-datastore)
 from within an [App Engine flexible
 environment](https://cloud.google.com/appengine/docs/flexible/java/hello-world)
 project using [SparkJava](http://sparkjava.com/). The app allows you to create
@@ -61,11 +61,11 @@ Datastore. Finally, the `resource/public` folder contains the home webpage,
 which uses jQuery to send HTTP requests to create, remove, and update records.
 
 Spark runs the [`main`
-method](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/Main.java)
+method](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/Main.java)
 upon server startup. The `main` method creates the controller,
-[`UserController`](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/UserController.java).
+[`UserController`](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/UserController.java).
 The URIs used to send HTTP requests in the [home
-page](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/managedvms/sparkjava-demo/src/main/resources/public/index.html)
+page](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/managedvms/sparkjava-demo/src/main/resources/public/index.html)
 correspond to methods in the `UserController` class. For example, the
 `index.html` code for `create` makes a `POST` request to the path `/api/users`
 with a body containing the name and email of a user to add. `UserController`
@@ -79,11 +79,11 @@ post("/api/users", (req, res) -> userService.createUser(
 ```
 This code snippet gets the name and email of the user from the POST request and
 passes it to `createUser` (in
-[`UserService.java`](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/UserService.java))
+[`UserService.java`](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/managedvms/sparkjava-demo/src/main/java/com/google/appengine/sparkdemo/UserService.java))
 to create a database record using the Google Cloud client library. If you want
 a more in-depth tutorial on using Google Cloud client library Datastore client,
 see the [Getting
-Started](https://github.com/GoogleCloudPlatform/google-cloud-java/tree/master/google-cloud-datastore#getting-started)
+Started](https://github.com/GoogleCloudPlatform/google-cloud-java/tree/main/google-cloud-datastore#getting-started)
 section of the client library documentation.
 
 Communication with the Google Cloud Datastore requires authentication and
@@ -109,5 +109,5 @@ License
 -------
 
 Apache 2.0 - See
-[LICENSE](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/master/LICENSE)
+[LICENSE](https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/LICENSE)
 for more information.
diff --git a/iot/api-client/manager/src/main/java/com/example/cloud/iot/examples/DeviceRegistryExample.java b/iot/api-client/manager/src/main/java/com/example/cloud/iot/examples/DeviceRegistryExample.java
@@ -74,7 +74,7 @@
  * Before running the example, we have to create private and public keys, as described in
  * cloud.google.com/iot. Since we are interacting with the device manager, we will only use the
  * public keys. The private keys are used to sign JWTs to authenticate devices. See the <a
- * href="https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/iot/api-client/mqtt_example">MQTT
+ * href="https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/iot/api-client/mqtt_example">MQTT
  * client example</a> for more information.
  *
  * Finally, compile and run the example with:
diff --git a/pubsub/cloud-client/README.md b/pubsub/cloud-client/README.md
@@ -1,3 +1,3 @@
 # Getting Started with Cloud Pub/Sub and the Google Cloud Client libraries
 
-The samples have been moved to live alongside the Java client library for Cloud Pub/Sub: https://github.com/googleapis/java-pubsub/tree/master/samples/snippets/src/main/java/pubsub/
+The samples have been moved to live alongside the Java client library for Cloud Pub/Sub: https://github.com/googleapis/java-pubsub/tree/main/samples/snippets/src/main/java/pubsub/
diff --git a/renovate.json b/renovate.json
@@ -91,7 +91,7 @@
         "com.google.apis:google-api-services-dataflow"
       ],
       "enabled": false,
-      "description": "@anguillanneuf: This package is no longer actively maintained. Best to use the version specified in https://github.com/googleapis/google-api-java-client-services/tree/master/clients/google-api-services-dataflow/v1b3"
+      "description": "@anguillanneuf: This package is no longer actively maintained. Best to use the version specified in https://github.com/googleapis/google-api-java-client-services/tree/main/clients/google-api-services-dataflow/v1b3"
     },
     {
       "matchPackagePatterns": [ "org.springframework.boot" ],
diff --git a/run/hello-broken/README.md b/run/hello-broken/README.md
@@ -6,7 +6,7 @@ errors and default values.
 
 Use it with the [Local Container Troubleshooting tutorial](http://cloud.google.com/run/docs/tutorials/local-troubleshooting).
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/run/helloworld/README.md b/run/helloworld/README.md
@@ -3,7 +3,7 @@
 This sample shows how to deploy a Hello World [Spring Boot](https://spring.io/projects/spring-boot)
 application to Cloud Run.
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/run/idp-sql/README.md b/run/idp-sql/README.md
@@ -5,7 +5,7 @@ application and connects to a Cloud SQL postgreSQL database for data storage.
 
 Use it with the [End user Authentication for Cloud Run](http://cloud.google.com/run/docs/tutorials/identity-platform).
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run on Google Cloud](https://deploy.cloud.run/button.svg)](https://deploy.cloud.run/)
 
diff --git a/run/image-processing/README.md b/run/image-processing/README.md
@@ -4,7 +4,7 @@ This sample service applies [Cloud Storage](https://cloud.google.com/storage/doc
 
 Use it with the [Image Processing with Cloud Run tutorial](http://cloud.google.com/run/docs/tutorials/image-processing).
 
-For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/run).
+For more details on how to work with this sample read the [Google Cloud Run Java Samples README](https://github.com/GoogleCloudPlatform/java-docs-samples/tree/main/run).
 
 [![Run in Google Cloud][run_img]][run_link]
 
diff --git a/run/logging-manual/README.md b/run/logging-manual/README.md
diff --git a/run/markdown-preview/README.md b/run/markdown-preview/README.md
diff --git a/run/pubsub/README.md b/run/pubsub/README.md
diff --git a/spanner/cloud-client/README.md b/spanner/cloud-client/README.md
diff --git a/spanner/spring-data/README.md b/spanner/spring-data/README.md
diff --git a/speech/README.md b/speech/README.md
diff --git a/storage/xml-api/cmdline-sample/README.md b/storage/xml-api/cmdline-sample/README.md
diff --git a/storage/xml-api/serviceaccount-appengine-sample/README.md b/storage/xml-api/serviceaccount-appengine-sample/README.md
diff --git a/tasks/README.md b/tasks/README.md
diff --git a/texttospeech/beta/README.md b/texttospeech/beta/README.md
diff --git a/video/README.md b/video/README.md
diff --git a/vision/README.md b/vision/README.md
diff --git a/vision/automl/README.md b/vision/automl/README.md
diff --git a/vision/beta/README.md b/vision/beta/README.md
diff --git a/vision/cloud-client/README.md b/vision/cloud-client/README.md
diff --git a/vision/product-search/README.md b/vision/product-search/README.md
diff --git a/vision/spring-framework/README.md b/vision/spring-framework/README.md

Original file line number	Diff line number	Diff line change
`@@ -19,8 +19,8 @@ env_vars: {`
`19`	`19`	`key: "TRAMPOLINE_BUILD_FILE"`
`20`	`20`	`value: "github/java-docs-samples/.kokoro/tests/run_tests.sh"`
`21`	`21`	`}`
`22`		`-# Only diff from master`
	`22`	`+# Only diff from main`
`23`	`23`	`env_vars: {`
`24`	`24`	`key: "GIT_DIFF"`
`25`		`- value: "origin/master... ."`
	`25`	`+ value: "origin/main... ."`
`26`	`26`	`}`
Original file line number	Diff line number	Diff line change
`@@ -17,5 +17,5 @@`
`17`	`17`	`# Tell the trampoline which build file to use.`
`18`	`18`	`env_vars: {`
`19`	`19`	`key: "GIT_DIFF"`
`20`		`- value: "origin/master... ."`
	`20`	`+ value: "origin/main... ."`
`21`	`21`	`}`