rake call rubocop directly

Author: jvmvik

.rubocop.yml

@@ -12,7 +12,7 @@ Metrics/AbcSize:
 
 # short clear method name 
 Metrics/MethodLength:
-  Max: 25
+  Max: 30
 
 # no performance implication
 Style/OptionalBooleanParameter:
@@ -30,10 +30,6 @@ Style/FrozenStringLiteralComment:
 Metrics/PerceivedComplexity:
   Max: 12
 
-# method length is not a problem
-MethodLength:
-  Max: 30
-
 # if works as well as safe navigation (&.)
 Style/SafeNavigation:
   Enabled: false

Rakefile

@@ -10,7 +10,6 @@
 
 require 'rake'
 require 'rspec/core/rake_task'
-require 'rubocop/rake_task'
 require 'yard'
 require_relative 'lib/serpapi'
 
@@ -49,9 +48,9 @@ RSpec::Core::RakeTask.new(:benchmark) do |t|
   t.rspec_opts = '--format documentation'
 end
 
-RuboCop::RakeTask.new(:lint) do |t|
-  t.plugins << 'rubocop-rake'
-  t.options = ['--display-cop-names']
+desc 'run rubocop linter'
+task :lint do
+  sh('rubocop --display-cop-names')
 end
 
 desc "format ruby code using rubocop"