Set branch references to main

Author: JonRowe

CONTRIBUTING.md

@@ -41,4 +41,4 @@ test case. To make this process easier, we have prepared one basic
 
 Maintenance branches are how we manage the different supported point releases
 of RSpec. As such, while they might look like good candidates to merge into
-master, please do not open pull requests to merge them.
+main, please do not open pull requests to merge them.

Changelog.md

@@ -1,5 +1,5 @@
 ### Development
-[Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.9.1...master)
+[Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.9.1...main)
 
 Enhancements:
 * Add the ability to set a custom error generator in `MessageExpectation`.

DEVELOPMENT.md

@@ -51,7 +51,7 @@ The rspec-dev project contains many rake tasks for helping manage
 an RSpec development environment, making it easy to do things like:
 
 * Change branches across all repos
-* Update all repos with the latest code from `master`
+* Update all repos with the latest code from `main`
 * Cut a new release across all repos
 * Push out updated build scripts to all repos
 

README.md

@@ -1,4 +1,4 @@
-# RSpec Mocks [![Build Status](https://secure.travis-ci.org/rspec/rspec-mocks.svg?branch=master)](http://travis-ci.org/rspec/rspec-mocks) [![Code Climate](https://codeclimate.com/github/rspec/rspec-mocks.svg)](https://codeclimate.com/github/rspec/rspec-mocks)
+# RSpec Mocks [![Build Status](https://secure.travis-ci.org/rspec/rspec-mocks.svg?branch=main)](http://travis-ci.org/rspec/rspec-mocks) [![Code Climate](https://codeclimate.com/github/rspec/rspec-mocks.svg)](https://codeclimate.com/github/rspec/rspec-mocks)
 rspec-mocks is a test-double framework for rspec with support for method stubs,
 fakes, and message expectations on generated test-doubles and real objects
 alike.
@@ -8,12 +8,12 @@ alike.
     gem install rspec       # for rspec-core, rspec-expectations, rspec-mocks
     gem install rspec-mocks # for rspec-mocks only
 
-Want to run against the `master` branch? You'll need to include the dependent
+Want to run against the `main` branch? You'll need to include the dependent
 RSpec repos as well. Add the following to your `Gemfile`:
 
 ```ruby
 %w[rspec-core rspec-expectations rspec-mocks rspec-support].each do |lib|
-  gem lib, :git => "https://github.com/rspec/#{lib}.git", :branch => 'master'
+  gem lib, :git => "https://github.com/rspec/#{lib}.git", :branch => 'main'
 end
 ```
 ## Contributing
@@ -53,7 +53,7 @@ book = instance_double("Book", :pages => 250)
 Verifying doubles have some clever tricks to enable you to both test in
 isolation without your dependencies loaded while still being able to validate
 them against real objects. More detail is available in [their
-documentation](https://github.com/rspec/rspec-mocks/blob/master/features/verifying_doubles).
+documentation](https://github.com/rspec/rspec-mocks/blob/main/features/verifying_doubles).
 
 Verifying doubles can also accept custom identifiers, just like double(), e.g.:
 
@@ -403,7 +403,7 @@ your code.
 ## Stubbing and Hiding Constants
 
 See the [mutating constants
-README](https://github.com/rspec/rspec-mocks/blob/master/features/mutating_constants/README.md)
+README](https://github.com/rspec/rspec-mocks/blob/main/features/mutating_constants/README.md)
 for info on this feature.
 
 ## Use `before(:example)`, not `before(:context)`

appveyor.yml

@@ -8,7 +8,7 @@ version: "{build}"
 # and once for the merge commit that github creates for each mergable PR.
 branches:
   only:
-    - master
+    - main
     - /.*-maintenance$/
 
 # Disable normal Windows builds in favor of our test script.