Enable SpecialGlobalVars cop

.rubocop.yml

@@ -61,8 +61,6 @@ Style/WhileUntilModifier:
   Enabled: false
 Style/RescueModifier:
   Enabled: false
-Style/SpecialGlobalVars:
-  Enabled: false
 Style/ModuleFunction:
   Enabled: false
 Style/DotPosition:

capistrano.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |gem|
   gem.summary       = "Capistrano - Welcome to easy deployment with Ruby over SSH"
   gem.homepage      = "http://capistranorb.com/"
 
-  gem.files         = `git ls-files`.split($/)
+  gem.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   gem.executables   = %w(cap capify)
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]

features/support/vagrant_helpers.rb

@@ -19,7 +19,7 @@ module VagrantHelpers
         puts "[vagrant] #{line}"
       end
     end
-    $?
+    $CHILD_STATUS
   end
 
   def run_vagrant_command(command)

spec/support/test_app.rb

@@ -91,7 +91,7 @@ module TestApp
     Dir.chdir(test_app_path) do
       output = %x[#{command}]
     end
-    [$?.success?, output]
+    [$CHILD_STATUS.success?, output]
   end
 
   def stage