ci: rename master branch to main (GoogleCloudPlatform#219)

Author: HKWinterhalter

.github/workflows/buildpack-integration-test.yml

@@ -3,7 +3,7 @@ name: Buildpack Integration Test
 on:
   push:
     branches:
-      - master
+      - main
   workflow_dispatch:
 
 # Declare default permissions as read only.

.github/workflows/codeql.yml

@@ -2,10 +2,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "main" ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "master" ]
+    branches: [ "main" ]
 
 permissions:
   contents: read

.github/workflows/conformance.yaml

@@ -2,7 +2,7 @@ name: Java Conformance CI
 on:
   push:
     branches:
-    - master
+    - main
   pull_request:
 
 # Declare default permissions as read only.

.github/workflows/lint.yaml

@@ -2,7 +2,7 @@ name: Java Lint CI
 on:
   push:
     branches:
-    - master
+    - main
   pull_request:
   workflow_dispatch:
 permissions:

.github/workflows/scorecard.yml

@@ -8,7 +8,7 @@ on:
   schedule:
     - cron: '0 */12 * * *'
   push:
-    branches: [ "master" ]
+    branches: [ "main" ]
   workflow_dispatch:
 
 # Declare default permissions as read only.

.github/workflows/unit.yaml

@@ -2,7 +2,7 @@ name: Java Unit CI
 on:
   push:
     branches:
-    - master
+    - main
   pull_request:
 permissions:
   contents: read

functions-framework-api/src/main/java/com/google/cloud/functions/BackgroundFunction.java

@@ -18,7 +18,7 @@
  * Represents a Cloud Function that is activated by an event and parsed into a user-supplied class.
  * The payload of the event is a JSON object, which is deserialized into a user-defined class as
  * described for <a
- * href="https://github.com/google/gson/blob/master/UserGuide.md#TOC-Object-Examples">Gson</a>.
+ * href="https://github.com/google/gson/blob/main/UserGuide.md#TOC-Object-Examples">Gson</a>.
  *
  * <p>Here is an example of an implementation that accesses the {@code messageId} property from a
  * payload that matches a user-defined {@code PubSubMessage} class:

functions-framework-api/src/main/java/com/google/cloud/functions/RawBackgroundFunction.java

@@ -17,7 +17,7 @@
 /**
  * Represents a Cloud Function that is activated by an event. The payload of the event is a JSON
  * object, which can be parsed using a JSON package such as <a
- * href="https://github.com/google/gson/blob/master/UserGuide.md">GSON</a>.
+ * href="https://github.com/google/gson/blob/main/UserGuide.md">GSON</a>.
  *
  * <p>Here is an example of an implementation that parses the JSON payload using Gson, to access its
  * {@code messageId} property:

invoker/pom.xml

@@ -15,7 +15,7 @@
     Parent POM for the GCF Java Invoker. The project is structured like this so
     that we can have modules that build jar files for use in tests.
   </description>
-  <url>https://github.com/GoogleCloudPlatform/functions-framework-java/tree/master/invoker</url>
+  <url>https://github.com/GoogleCloudPlatform/functions-framework-java/tree/main/invoker</url>
 
   <scm>
     <url>http://github.com/GoogleCloudPlatform/functions-framework-java</url>