(MODULES-7711) - Release Prep for 6.0.0

Author: pmcmaw

.sync.yml

@@ -19,6 +19,12 @@ Gemfile:
           - mswin
           - mingw
           - x64_mingw
+  optional:
+    ':development':
+      - gem: 'github_changelog_generator'
+        git: 'https://github.com/skywinder/github-changelog-generator'
+        ref: '20ee04ba1234e9e83eb2ffb5056e23d641c7a018'
+        condition: "Gem::Version.new(RUBY_VERSION.dup) >= Gem::Version.new('2.2.2')"
 
 appveyor.yml:
   delete: true

CHANGELOG.md

@@ -2,7 +2,20 @@
 
 All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org).
 
-## [5.0.1](https://github.com/puppetlabs/puppetlabs-apt/tree/5.0.1) (2018-07-27)
+## [6.0.0](https://github.com/puppetlabs/puppetlabs-apt/tree/6.0.0) (2018-08-24)
+
+[Full Changelog](https://github.com/puppetlabs/puppetlabs-apt/compare/5.0.1...6.0.0)
+
+### Changed
+
+- \(MODULES-7668\) Remove support for Puppet 4.7 [\#780](https://github.com/puppetlabs/puppetlabs-apt/pull/780) ([jarretlavallee](https://github.com/jarretlavallee))
+
+### Added
+
+- Check existence of gpg key in apt:ppa [\#774](https://github.com/puppetlabs/puppetlabs-apt/pull/774) ([wenzhengjiang](https://github.com/wenzhengjiang))
+- Make sure PPA source file is absent when apt-add-repository fails [\#768](https://github.com/puppetlabs/puppetlabs-apt/pull/768) ([wenzhengjiang](https://github.com/wenzhengjiang))
+
+## 5.0.1
 
 [Full Changelog](https://github.com/puppetlabs/puppetlabs-apt/compare/5.0.0...5.0.1)
 

Gemfile

@@ -33,6 +33,7 @@ group :development do
   gem "puppet-module-posix-dev-r#{minor_version}",     require: false, platforms: [:ruby]
   gem "puppet-module-win-default-r#{minor_version}",   require: false, platforms: [:mswin, :mingw, :x64_mingw]
   gem "puppet-module-win-dev-r#{minor_version}",       require: false, platforms: [:mswin, :mingw, :x64_mingw]
+  gem "github_changelog_generator",                    require: false, git: 'https://github.com/skywinder/github-changelog-generator', ref: '20ee04ba1234e9e83eb2ffb5056e23d641c7a018' if Gem::Version.new(RUBY_VERSION.dup) >= Gem::Version.new('2.2.2')
 end
 group :system_tests do
   gem "puppet-module-posix-system-r#{minor_version}", require: false, platforms: [:ruby]