Lint with rubocop-jekyll

.rubocop.yml

@@ -1,7 +1,10 @@
+inherit_from: .rubocop_todo.yml
+
+require: rubocop-jekyll
 inherit_gem:
-  jekyll: .rubocop.yml
+  rubocop-jekyll: .rubocop.yml
 
-Style/FileName:
+Naming/FileName:
   Enabled: false
 
 Metrics/LineLength:

.rubocop_todo.yml

@@ -0,0 +1,46 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2019-04-18 23:25:25 +0530 using RuboCop version 0.66.0.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: auto_detection, squiggly, active_support, powerpack, unindent
+Layout/IndentHeredoc:
+  Exclude:
+    - 'spec/jekyll/avatar_spec.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: braces, no_braces, context_dependent
+Style/BracesAroundHashParameters:
+  Exclude:
+    - 'spec/jekyll/avatar_spec.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+Style/ExpandPathArguments:
+  Exclude:
+    - 'jekyll-avatar.gemspec'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Style/RedundantFreeze:
+  Exclude:
+    - 'lib/jekyll-avatar/version.rb'
+
+# Offense count: 6
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyleForMultiline.
+# SupportedStylesForMultiline: comma, consistent_comma, no_comma
+Style/TrailingCommaInHashLiteral:
+  Exclude:
+    - 'lib/jekyll-avatar.rb'
+    - 'spec/jekyll/avatar_spec.rb'

jekyll-avatar.gemspec

@@ -25,5 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 12.3"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rspec-html-matchers", "~> 0.9"
-  spec.add_development_dependency "rubocop", "~> 0.50", "< 0.53"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.9.0"
 end