Rakefile in httplog-1.0.2 vs Rakefile in httplog-1.0.3

@@ -1,6 +1,8 @@
 #!/usr/bin/env rake
+# frozen_string_literal: true
+
 begin
   require 'bundler/setup'
 rescue LoadError
   puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
 end
@@ -11,14 +13,14 @@
   require 'rake/rdoctask'
   RDoc::Task = Rake::RDocTask
 end
 require 'rspec/core/rake_task'
 
-desc "Run specs"
+desc 'Run specs'
 RSpec::Core::RakeTask.new(:spec)
 
-desc "Generate documentation"
+desc 'Generate documentation'
 RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title    = 'HttpLog'
   rdoc.options << '--line-numbers' << '--inline-source'
   rdoc.rdoc_files.include('README.rdoc')
@@ -34,11 +36,11 @@
   t.verbose = false
 end
 
 # ----- Packaging -----
 task :build do
-  sh "gem build httplog.gemspec"
+  sh 'gem build httplog.gemspec'
   mkdir_p 'pkg'
-  sh "mv *.gem pkg/ "
+  sh 'mv *.gem pkg/ '
 end
 
-task :default => :spec
+task default: :spec