Add rubocop-rake

Author: aetherknight

.rubocop.yml

@@ -8,6 +8,9 @@
 # where the inspected file is and continue its way up to the root directory.
 #
 # See https://docs.rubocop.org/rubocop/configuration
+plugins:
+  - 'rubocop-rake'
+
 Layout/LineLength:
   Max: 120
 

Rakefile

@@ -38,6 +38,7 @@ end
 
 task default: %i[spec rubocop]
 
+desc 'Ensure all files have appropriate permissions before building a package'
 task :fix_permissions do
   File.umask 0o022
   filelist = `git ls-files`.split("\n")

recursive-open-struct.gemspec

@@ -42,6 +42,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('rdoc', ['>= 0'])
   s.add_development_dependency('rspec', '~> 3.2')
   s.add_development_dependency('rubocop', ['>= 0'])
+  s.add_development_dependency('rubocop-rake', ['>= 0'])
   s.add_development_dependency('simplecov', ['>= 0'])
 
   s.add_dependency('ostruct')