Manually merged from ruby/rubygems#2636

  Enable Style/EmptyLinesAroundClassBody rubocop cop.

Author: hsbt

lib/rubygems.rb

@@ -1185,6 +1185,7 @@ def self.source_date_epoch
   # methods, and then we switch over to `class << self` here. Pick one or the
   # other.
   class << self
+
     ##
     # RubyGems distributors (like operating system package managers) can
     # disable RubyGems update by setting this to error message printed to
@@ -1307,6 +1308,7 @@ def already_loaded?(file)
     def default_gem_load_paths
       @default_gem_load_paths ||= $LOAD_PATH[load_path_insert_index..-1]
     end
+
   end
 
   ##

lib/rubygems/available_set.rb

@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 class Gem::AvailableSet
+
   include Enumerable
 
   Tuple = Struct.new(:spec, :source)
@@ -161,4 +162,5 @@ def remove_installed!(dep)
   def inject_into_list(dep_list)
     @set.each {|t| dep_list.add t.spec }
   end
+
 end

lib/rubygems/basic_specification.rb

@@ -4,6 +4,7 @@
 # used by both Specification and StubSpecification.
 
 class Gem::BasicSpecification
+
   ##
   # Allows installation of extensions for git: gems.
 
@@ -38,8 +39,10 @@ def self.default_specifications_dir
   end
 
   class << self
+
     extend Gem::Deprecate
     rubygems_deprecate :default_specifications_dir, "Gem.default_specifications_dir"
+
   end
 
   ##
@@ -342,4 +345,5 @@ def have_file?(file, suffixes)
       false
     end
   end
+
 end

lib/rubygems/command.rb

@@ -17,6 +17,7 @@
 # A very good example to look at is Gem::Commands::ContentsCommand
 
 class Gem::Command
+
   include Gem::UserInteraction
 
   OptionParser.accept Symbol do |value|
@@ -651,6 +652,7 @@ def wrap(text, width) # :doc:
   HELP
 
   # :startdoc:
+
 end
 
 ##

lib/rubygems/command_manager.rb

@@ -32,6 +32,7 @@
 # See Gem::Command for instructions on writing gem commands.
 
 class Gem::CommandManager
+
   include Gem::Text
   include Gem::UserInteraction
 
@@ -230,4 +231,5 @@ def load_and_instantiate(command_name)
       ui.backtrace e
     end
   end
+
 end

lib/rubygems/commands/build_command.rb

@@ -3,6 +3,7 @@
 require 'rubygems/package'
 
 class Gem::Commands::BuildCommand < Gem::Command
+
   def initialize
     super 'build', 'Build a gem from a gemspec'
 
@@ -107,4 +108,5 @@ def build_package(spec)
       terminate_interaction 1
     end
   end
+
 end

lib/rubygems/commands/cert_command.rb

@@ -3,6 +3,7 @@
 require 'rubygems/security'
 
 class Gem::Commands::CertCommand < Gem::Command
+
   def initialize
     super 'cert', 'Manage RubyGems certificates and signing settings',
           :add => [], :remove => [], :list => [], :build => [], :sign => []
@@ -311,4 +312,5 @@ def valid_email?(email)
     # It's simple, but is all we need
     email =~ /\A.+@.+\z/
   end
+
 end if defined?(OpenSSL::SSL)

lib/rubygems/commands/check_command.rb

@@ -5,6 +5,7 @@
 require 'rubygems/doctor'
 
 class Gem::Commands::CheckCommand < Gem::Command
+
   include Gem::VersionOption
 
   def initialize
@@ -89,4 +90,5 @@ def description # :nodoc:
   def usage # :nodoc:
     "#{program_name} [OPTIONS] [GEMNAME ...]"
   end
+
 end

lib/rubygems/commands/cleanup_command.rb

@@ -4,6 +4,7 @@
 require 'rubygems/uninstaller'
 
 class Gem::Commands::CleanupCommand < Gem::Command
+
   def initialize
     super 'cleanup',
           'Clean up old versions of installed gems',
@@ -180,4 +181,5 @@ def uninstall_dep(spec)
     # Restore path Gem::Uninstaller may have changed
     Gem.use_paths @original_home, *@original_path
   end
+
 end

lib/rubygems/commands/contents_command.rb

@@ -3,6 +3,7 @@
 require 'rubygems/version_option'
 
 class Gem::Commands::ContentsCommand < Gem::Command
+
   include Gem::VersionOption
 
   def initialize
@@ -185,4 +186,5 @@ def specification_directories # :nodoc:
       [i, File.join(i, "specifications")]
     end.flatten
   end
+
 end