Rename master branch to main

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,7 @@
 
 If you're looking for help check
 [Stack Overflow](https://stackoverflow.com/questions/tagged/spotify-docker-client) and the
-[user manual](https://github.com/dmandalidis/docker-client/blob/master/docs/user_manual.md).
+[user manual](https://github.com/dmandalidis/docker-client/blob/main/docs/user_manual.md).
 -->
 
 **Is this a BUG REPORT or FEATURE REQUEST?**:

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
     tags:
       - 'v*'
 

.github/workflows/codeql.yml

@@ -13,10 +13,10 @@ 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" ]
   schedule:
     - cron: '42 19 * * 6'
 

CHANGELOG.md

@@ -505,4 +505,4 @@ and the version (otherwise it's a bug, triggering an immediate patch release)
 If you are interested in the history of changes when this project was managed
 by Spotify you can refer to [Changelog pre-fork history][]
 
-[Changelog pre-fork history]: https://github.com/dmandalidis/docker-client/blob/master/CHANGELOG_PREFORK.md
+[Changelog pre-fork history]: https://github.com/dmandalidis/docker-client/blob/main/CHANGELOG_PREFORK.md

CONTRIBUTING.md

@@ -18,7 +18,7 @@ my best.
 
 Please make sure you're using the latest version. This project is
 released continuously as it's developed so new releases come out almost as frequently as we
-commit to master.
+commit to main.
 
 ## Contributing
 

README.md

@@ -1,13 +1,13 @@
 # Docker Client
 
 [![Build Status](https://github.com/dmandalidis/docker-client/actions/workflows/ci.yml/badge.svg)](https://github.com/dmandalidis/docker-client/actions/workflows/ci.yml/badge.svg)
-[![codecov](https://codecov.io/github/dmandalidis/docker-client/coverage.svg?branch=master)](https://codecov.io/github/dmandalidis/docker-client?branch=master)
+[![codecov](https://codecov.io/github/dmandalidis/docker-client/coverage.svg?branch=main)](https://codecov.io/github/dmandalidis/docker-client?branch=main)
 [![Maven Central](https://img.shields.io/maven-central/v/org.mandas/docker-client.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.mandas%22%20docker-client)
 [![License](https://img.shields.io/github/license/dmandalidis/docker-client.svg)](LICENSE)
 
 This is a [Docker](https://github.com/docker/docker) client written in Java.
 It was used in many critical production systems at Spotify until its 
-[fork](https://github.com/dmandalidis/docker-client/blob/master/FORK.md) on September 2019.
+[fork](https://github.com/dmandalidis/docker-client/blob/main/FORK.md) on September 2019.
 
 The `docker-client` is built and tested against the latest `docker-ce` major release.
 
@@ -17,7 +17,7 @@ The `docker-client` is built and tested against the latest `docker-ce` major rel
 * [Prerequisites](#prerequisites)
 * [Testing](#testing)
 * [Releasing](#releasing)
-* [User Manual](https://github.com/dmandalidis/docker-client/blob/master/docs/user_manual.md)
+* [User Manual](https://github.com/dmandalidis/docker-client/blob/main/docs/user_manual.md)
 
 ## Download
 
@@ -122,7 +122,7 @@ after many test runs. You may find it helpful to occasionally issue `docker rm $
 
 ## Releasing
 
-Commits to the master branch will trigger our continuous integration agent to build the jar and
+Commits to the main branch will trigger our continuous integration agent to build the jar and
 release by uploading to Sonatype. If you are a project maintainer with the necessary credentials,
 you can also build and release locally by running the below.