Rakefile in rpairtree-0.2.0 vs Rakefile in rpairtree-0.3.0

@@ -1,45 +1,37 @@
-require 'rubygems'
-require 'bundler'
+require "rubygems"
+require "bundler"
 begin
   Bundler.setup(:default, :development)
 rescue Bundler::BundlerError => e
-  $stderr.puts e.message
-  $stderr.puts "Run `bundle install` to install missing gems"
+  warn e.message
+  warn "Run `bundle install` to install missing gems"
   exit e.status_code
 end
 
 Bundler::GemHelper.install_tasks
 
-require 'rake'
-require 'rspec'
-require 'rspec/core/rake_task'
+require "rake"
+require "rspec"
+require "rspec/core/rake_task"
 
-desc 'Default: run specs.'
-task :default => :spec
+desc "Default: run specs."
+task default: :spec
 
-RSpec::Core::RakeTask.new do |t|
-  if ENV['COVERAGE'] and RUBY_VERSION =~ /^1.8/
-    t.rcov = true
-    t.rcov_opts = ['--exclude', 'spec', '--exclude', 'gems']
-  end
-end
-
 # Use yard to build docs
 begin
-  require 'yard'
-  require 'yard/rake/yardoc_task'
-  project_root = File.expand_path(File.dirname(__FILE__))
-  doc_destination = File.join(project_root, 'doc')
+  require "yard"
+  require "yard/rake/yardoc_task"
+  project_root = __dir__
+  doc_destination = File.join(project_root, "doc")
 
   YARD::Rake::YardocTask.new(:doc) do |yt|
-    yt.files   = Dir.glob(File.join(project_root, 'lib', '**', '*.rb')) + 
-                 [ File.join(project_root, 'README.md') ]
-    yt.options = ['--output-dir', doc_destination, '--readme', 'README.md']
+    yt.files = Dir.glob(File.join(project_root, "lib", "**", "*.rb")) +
+      [File.join(project_root, "README.md")]
+    yt.options = ["--output-dir", doc_destination, "--readme", "README.md"]
   end
 rescue LoadError
   desc "Generate YARD Documentation"
   task :doc do
     abort "Please install the YARD gem to generate rdoc."
   end
 end
-