Rakefile in riemann-tools-1.0.0 vs Rakefile in riemann-tools-1.1.0

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 require 'riemann/tools/version'
 
 require 'bundler/gem_tasks'
 
 require 'github_changelog_generator/task'
@@ -11,11 +13,11 @@
   config.future_release = Riemann::Tools::VERSION
 end
 
 desc 'Recursively build all gems'
 task :rbuild do
-  Dir.glob("tools/**") do |dir|
+  Dir.glob('tools/**') do |dir|
     Dir.chdir(dir)
     sh 'rake gem'
-    Dir.chdir("../..")
+    Dir.chdir('../..')
   end
 end