validates_host.gemspec in validates_host-1.1.0 vs validates_host.gemspec in validates_host-1.2.0

@@ -1,24 +1,27 @@
-# -*- encoding: utf-8 -*-
-require File.expand_path('../lib/validates_host/version', __FILE__)
+# frozen_string_literal: true
 
+require File.expand_path('lib/validates_host/version', __dir__)
+
 Gem::Specification.new do |gem|
   gem.name        = 'validates_host'
   gem.version     = ValidatesHost::VERSION
-  gem.authors     = %q{Paulo Henrique Lopes Ribeiro}
-  gem.email       = %q{[e-mail]}
-  gem.summary     = %q{Validates Host, Domain and IP and test it with matchers in a simple way.}
+  gem.authors     = 'Paulo Henrique Lopes Ribeiro'
+  gem.email       = '[e-mail]'
+  gem.summary     = 'Validates Host, Domain and IP and test it with matchers in a simple way.'
 
-  gem.files         = `git ls-files`.split($\)
+  gem.files         = `git ls-files`.split($OUTPUT_RECORD_SEPARATOR)
   gem.test_files    = `git ls-files -- {test,spec,features,examples,gemfiles}/*`.split("\n")
-  gem.executables   = `git ls-files -- bin/*`.split('\n').map{ |f| File.basename(f) }
-  gem.require_paths = %w(lib)
+  gem.executables   = `git ls-files -- bin/*`.split('\n').map { |f| File.basename(f) }
+  gem.require_paths = %w[lib]
 
   gem.license = 'MIT'
 
+  gem.add_development_dependency 'coveralls'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rspec'
+  gem.add_development_dependency 'rubocop'
+  gem.add_development_dependency 'rubocop-rspec'
   gem.add_development_dependency 'shoulda-matchers'
-  gem.add_development_dependency 'coveralls'
 
   gem.add_dependency 'activemodel', '>= 3.0.0'
-end
\ No newline at end of file
+end