Merge pull request #370 from bgilbert/rename

*: rename master branch to main

Author: bgilbert

.github/workflows/containers.yml

@@ -3,9 +3,9 @@ name: Containers
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 
 env:
   GO_TOOLCHAIN: "1.15"

.github/workflows/go.yml

@@ -2,9 +2,9 @@
 name: Go
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 
 env:
   # Minimum supported Go toolchain

CONTRIBUTING.md

@@ -31,7 +31,7 @@ are very busy and read the mailing lists.
 
 This is a rough outline of what a contributor's workflow looks like:
 
-- Create a topic branch from where you want to base your work (usually master).
+- Create a topic branch from where you want to base your work (usually main).
 - Make commits of logical units.
 - Make sure your commit messages are in the proper format (see below).
 - Push your changes to a topic branch in your fork of the repository.
@@ -40,12 +40,6 @@ This is a rough outline of what a contributor's workflow looks like:
 
 Thanks for your contributions!
 
-### Coding Style
-
-CoreOS projects written in Go follow a set of style guidelines that we've documented 
-[here](https://github.com/coreos/docs/tree/master/golang). Please follow them when 
-working on your contributions.
-
 ### Format of the Commit Message
 
 We follow a rough convention for commit messages that is designed to answer two

Jenkinsfile

@@ -1,6 +1,5 @@
 # go-systemd
 
-[![Build Status](https://travis-ci.org/coreos/go-systemd.png?branch=master)](https://travis-ci.org/coreos/go-systemd)
 [![godoc](https://img.shields.io/badge/godoc-reference-5272B4)](https://pkg.go.dev/mod/github.com/coreos/go-systemd/v22/?tab=packages)
 ![minimum golang 1.12](https://img.shields.io/badge/golang-1.12%2B-orange.svg)
 
@@ -20,7 +19,7 @@ Go bindings to systemd. The project has several packages:
 
 An example HTTP server using socket activation can be quickly set up by following this README on a Linux machine running systemd:
 
-https://github.com/coreos/go-systemd/tree/master/examples/activation/httpserver
+https://github.com/coreos/go-systemd/tree/main/examples/activation/httpserver
 
 ## systemd Service Notification