Merge pull request #9 from braiden-vasco/add_changelog_generator

Add changelog generator

Gemfile

@@ -3,6 +3,8 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in lita-gitter.gemspec
 gemspec
 
+gem 'github_changelog_generator', '~> 1.6.1'
+
 gem 'yard', '~> 0.8.7.6', require: false
 gem 'redcarpet', require: false
 

Rakefile

@@ -1,3 +1,12 @@
+require 'rubygems'
+
+gemspec = Gem::Specification.load('lita-gitter.gemspec')
+
+github_user, github_project =
+  gemspec.homepage.scan(%r{^https://github\.com/([^/]+)/([^/]+)/?$})[0]
+
+DEFAULT_EXCLUDE_LABELS = 'duplicate,question,invalid,wontfix'
+
 require 'bundler/gem_tasks'
 
 task default: [:spec, :lint]
@@ -12,3 +21,14 @@ RuboCop::RakeTask.new
 
 require 'yard'
 YARD::Rake::YardocTask.new
+
+desc 'Generate changelog'
+task :changelog, [:token] do |_t, args|
+  cmd = 'github_changelog_generator'
+  cmd << " -u #{github_user}"
+  cmd << " -p #{github_project}"
+  cmd << " -t #{args[:token]}" if args[:token]
+  cmd << " --exclude-labels version,#{DEFAULT_EXCLUDE_LABELS}"
+
+  sh cmd
+end