Bump RuboCop to v1.18.x via rubocop-jekyll

.github/workflows/ci.yml

@@ -54,3 +54,21 @@ jobs:
           bundler-cache: true
       - name: Test Gem Build
         run:  bundle exec gem build jekyll-sitemap.gemspec
+
+  style_check:
+    name: "Style Check (Ruby ${{ matrix.ruby_version }})"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        ruby_version:
+          - 2.5
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: "Set Up Ruby ${{ matrix.ruby_version }}"
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby_version }}
+          bundler-cache: true
+      - name: Run RuboCop
+        run:  bash script/fmt

.rubocop.yml

@@ -5,6 +5,36 @@ inherit_gem:
   rubocop-jekyll: .rubocop.yml
 
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.5
+  SuggestExtensions: false
   Exclude:
       - vendor/**/*
+
+Layout/LineEndStringConcatenationIndentation:
+  Enabled: true
+
+Lint/Debugger:
+  Exclude:
+    - script/console
+Lint/EmptyInPattern:
+  Enabled: false
+
+Naming/InclusiveLanguage:
+  Enabled: false
+Naming/MemoizedInstanceVariableName:
+  Exclude:
+    - lib/jekyll-feed/page-without-a-file.rb
+
+Performance/MapCompact:
+  Enabled: true
+Performance/RedundantEqualityComparisonBlock:
+  Enabled: true
+Performance/RedundantSplitRegexpArgument:
+  Enabled: true
+
+Style/InPatternThen:
+  Enabled: false
+Style/MultilineInPatternThen:
+  Enabled: false
+Style/QuotedSymbols:
+  Enabled: true

.rubocop_todo.yml

@@ -1,26 +1,21 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2018-12-06 11:55:46 +0100 using RuboCop version 0.61.1.
+# on 2021-11-15 14:30:50 UTC using RuboCop version 1.18.4.
 # 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
-Lint/Debugger:
-  Exclude:
-    - 'script/console'
+# Cop supports --auto-correct.
+# Configuration parameters: AutoCorrect, AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
+# URISchemes: http, https
+Layout/LineLength:
+  Max: 138
 
-# Offense count: 3
-# Configuration parameters: CountComments, Max, ExcludedMethods.
-# ExcludedMethods: refine
-Metrics/BlockLength:
+# Offense count: 4
+# Configuration parameters: AllowedMethods.
+# AllowedMethods: enums
+Lint/ConstantDefinitionInBlock:
   Exclude:
-    - 'spec/jekyll-sitemap_spec.rb'
-    - 'spec/test_jekyll-last-modified-at.rb'
-
-# Offense count: 17
-# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
-# URISchemes: http, https
-Metrics/LineLength:
-  Max: 154
+    - 'spec/spec_helper.rb'

jekyll-sitemap.gemspec

@@ -16,12 +16,12 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r!^(test|spec|features)/!)
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 2.4.0"
+  spec.required_ruby_version = ">= 2.5.0"
 
   spec.add_dependency "jekyll", ">= 3.7", "< 5.0"
 
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rubocop-jekyll", "~> 0.4"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.12.0"
 end

script/fmt

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-echo "Rubocop $(bundle exec rubocop --version)"
+echo "RuboCop $(bundle exec rubocop --version)"
 bundle exec rubocop -D -E $@
 success=$?
 if ((success != 0)); then