Bump rubocop to use `v0.50.x` (#6368)

Merge pull request 6368

.rubocop.yml

@@ -21,7 +21,7 @@ Layout/EmptyLinesAroundAccessModifier:
 Layout/EmptyLinesAroundModuleBody:
   Enabled: false
 Layout/EndOfLine:
-  EnforcedStyle: lf
+  EnforcedStyle: native
 Layout/ExtraSpacing:
   AllowForAlignment: true
 Layout/FirstParameterIndentation:
@@ -44,10 +44,14 @@ Layout/SpaceInsideBrackets:
   Enabled: false
 Lint/EndAlignment:
   Severity: error
+Lint/RescueWithoutErrorClass:
+  Enabled: false
 Lint/UnreachableCode:
   Severity: error
 Lint/UselessAccessModifier:
   Enabled: false
+Lint/Void:
+  Enabled: false
 Metrics/AbcSize:
   Max: 21
 Metrics/BlockLength:
@@ -82,6 +86,10 @@ Metrics/ParameterLists:
   Max: 4
 Metrics/PerceivedComplexity:
   Max: 8
+Naming/FileName:
+  Enabled: false
+Naming/HeredocDelimiterNaming:
+  Enabled: false
 Security/MarshalLoad:
   Exclude:
     - !ruby/regexp /test\/.*.rb$/
@@ -109,8 +117,8 @@ Style/Documentation:
     - !ruby/regexp /features\/.*.rb$/
 Style/DoubleNegation:
   Enabled: false
-Style/FileName:
-  Enabled: false
+Style/Encoding:
+  EnforcedStyle: when_needed
 Style/GuardClause:
   Enabled: false
 Style/HashSyntax:

Gemfile

@@ -30,7 +30,7 @@ group :test do
   gem "nokogiri", RUBY_VERSION >= "2.2" ? "~> 1.7" : "~> 1.7.0"
   gem "rspec"
   gem "rspec-mocks"
-  gem "rubocop", "~> 0.49.1"
+  gem "rubocop", "~> 0.50.0"
   gem "test-dependency-theme", :path => File.expand_path("test/fixtures/test-dependency-theme", __dir__)
   gem "test-theme", :path => File.expand_path("test/fixtures/test-theme", __dir__)
 

jekyll.gemspec

@@ -1,4 +1,3 @@
-# coding: utf-8
 # frozen_string_literal: true
 
 lib = File.expand_path("lib", __dir__)

lib/jekyll.rb

@@ -119,7 +119,7 @@ module Jekyll
     # timezone - the IANA Time Zone
     #
     # Returns nothing
-    # rubocop:disable Style/AccessorMethodName
+    # rubocop:disable Naming/AccessorMethodName
     def set_timezone(timezone)
       ENV["TZ"] = if Utils::Platforms.really_windows?
                     Utils::WinTZ.calculate(timezone)
@@ -127,7 +127,7 @@ module Jekyll
                     timezone
                   end
     end
-    # rubocop:enable Style/AccessorMethodName
+    # rubocop:enable Naming/AccessorMethodName
 
     # Public: Fetch the logger instance for this Jekyll process.
     #

lib/jekyll/commands/doctor.rb

@@ -86,7 +86,7 @@ module Jekyll
         def urls_only_differ_by_case(site)
           urls_only_differ_by_case = false
           urls = case_insensitive_urls(site.pages + site.docs_to_write, site.dest)
-          urls.each do |_case_insensitive_url, real_urls|
+          urls.each_value do |real_urls|
             next unless real_urls.uniq.size > 1
             urls_only_differ_by_case = true
             Jekyll.logger.warn "Warning:", "The following URLs only differ" \

lib/jekyll/commands/serve/servlet.rb

@@ -27,7 +27,7 @@ module Jekyll
           super || super(req, res, ".html") || super(req, res, "#{basename}.html")
         end
 
-        # rubocop:disable Style/MethodName
+        # rubocop:disable Naming/MethodName
         def do_GET(req, res)
           rtn = super
           validate_and_ensure_charset(req, res)

lib/jekyll/configuration.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/converters/markdown.rb

@@ -27,7 +27,7 @@ module Jekyll
       # Rubocop does not allow reader methods to have names starting with `get_`
       # To ensure compatibility, this check has been disabled on this method
       #
-      # rubocop:disable Style/AccessorMethodName
+      # rubocop:disable Naming/AccessorMethodName
       def get_processor
         case @config["markdown"].downcase
         when "redcarpet" then return RedcarpetParser.new(@config)
@@ -37,7 +37,7 @@ module Jekyll
           custom_processor
         end
       end
-      # rubocop:enable Style/AccessorMethodName
+      # rubocop:enable Naming/AccessorMethodName
 
       # Public: Provides you with a list of processors, the ones we
       # support internally and the ones that you have provided to us (if you

lib/jekyll/converters/markdown/kramdown_parser.rb

@@ -42,12 +42,14 @@ module Jekyll
         end
 
         private
+        # rubocop:disable Performance/HashEachMethods
         def make_accessible(hash = @config)
           hash.keys.each do |key|
             hash[key.to_sym] = hash[key]
             make_accessible(hash[key]) if hash[key].is_a?(Hash)
           end
         end
+        # rubocop:enable Performance/HashEachMethods
 
         # config[kramdown][syntax_higlighter] >
         #   config[kramdown][enable_coderay] >

lib/jekyll/convertible.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 require "set"

lib/jekyll/document.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/collection_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/document_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/excerpt_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/jekyll_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/site_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/unified_payload_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/drops/url_drop.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/reader.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 require "csv"
@@ -25,7 +24,7 @@ module Jekyll
 
     # Sorts posts, pages, and static files.
     def sort_files!
-      site.collections.values.each { |c| c.docs.sort! }
+      site.collections.each_value { |c| c.docs.sort! }
       site.pages.sort_by!(&:name)
       site.static_files.sort_by!(&:relative_path)
     end

lib/jekyll/readers/collection_reader.rb

@@ -14,7 +14,7 @@ module Jekyll
     #
     # Returns nothing.
     def read
-      site.collections.each do |_, collection|
+      site.collections.each_value do |collection|
         collection.read unless SPECIAL_COLLECTIONS.include?(collection.label)
       end
     end

lib/jekyll/renderer.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll

lib/jekyll/site.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 require "csv"
@@ -85,11 +84,11 @@ module Jekyll
     #
     # Returns nothing
     def reset
-      if config["time"]
-        self.time = Utils.parse_date(config["time"].to_s, "Invalid time in _config.yml.")
-      else
-        self.time = Time.now
-      end
+      self.time = if config["time"]
+                    Utils.parse_date(config["time"].to_s, "Invalid time in _config.yml.")
+                  else
+                    Time.now
+                  end
       self.layouts = {}
       self.pages = []
       self.static_files = []
@@ -238,7 +237,7 @@ module Jekyll
       posts.docs.each do |p|
         p.data[post_attr].each { |t| hash[t] << p } if p.data[post_attr]
       end
-      hash.values.each { |posts| posts.sort!.reverse! }
+      hash.each_value { |posts| posts.sort!.reverse! }
       hash
     end
 
@@ -449,7 +448,7 @@ module Jekyll
 
     private
     def render_docs(payload)
-      collections.each do |_, collection|
+      collections.each_value do |collection|
         collection.docs.each do |document|
           if regenerator.regenerate?(document)
             document.output = Jekyll::Renderer.new(self, document, payload).run

lib/jekyll/tags/highlight.rb

@@ -18,13 +18,13 @@ module Jekyll
           @lang = Regexp.last_match(1).downcase
           @highlight_options = parse_options(Regexp.last_match(2))
         else
-          raise SyntaxError, <<-eos
+          raise SyntaxError, <<-MSG
 Syntax Error in tag 'highlight' while parsing the following markup:
 
   #{markup}
 
 Valid syntax: highlight <lang> [linenos]
-eos
+MSG
         end
       end
 
@@ -95,14 +95,14 @@ eos
         )
 
         if highlighted_code.nil?
-          Jekyll.logger.error <<eos
+          Jekyll.logger.error <<-MSG
 There was an error highlighting your code:
 
 #{code}
 
 While attempting to convert the above code, Pygments.rb returned an unacceptable value.
 This is usually a timeout problem solved by running `jekyll build` again.
-eos
+MSG
           raise ArgumentError, "Pygments.rb returned an unacceptable value "\
           "when attempting to highlight some code."
         end

lib/jekyll/tags/include.rb

@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # frozen_string_literal: true
 
 module Jekyll
@@ -61,7 +60,7 @@ module Jekyll
 
       def validate_file_name(file)
         if file !~ %r!^[a-zA-Z0-9_/\.-]+$! || file =~ %r!\./! || file =~ %r!/\.!
-          raise ArgumentError, <<-eos
+          raise ArgumentError, <<-MSG
 Invalid syntax for include tag. File contains invalid characters or sequences:
 
   #{file}
@@ -70,14 +69,14 @@ Valid syntax:
 
   #{syntax_example}
 
-eos
+MSG
         end
       end
 
       def validate_params
         full_valid_syntax = %r!\A\s*(?:#{VALID_SYNTAX}(?=\s|\z)\s*)*\z!
         unless @params =~ full_valid_syntax
-          raise ArgumentError, <<-eos
+          raise ArgumentError, <<-MSG
 Invalid syntax for include tag:
 
   #{@params}
@@ -86,7 +85,7 @@ Valid syntax:
 
   #{syntax_example}
 
-eos
+MSG
         end
       end
 

lib/jekyll/tags/link.rb

@@ -24,11 +24,11 @@ module Jekyll
           return item.url if item.relative_path == "/#{@relative_path}"
         end
 
-        raise ArgumentError, <<eos
+        raise ArgumentError, <<-MSG
 Could not find document '#{@relative_path}' in tag '#{self.class.tag_name}'.
 
 Make sure the document exists and the path is correct.
-eos
+MSG
       end
     end
   end

lib/jekyll/tags/post_url.rb

@@ -60,13 +60,13 @@ module Jekyll
         begin
           @post = PostComparer.new(@orig_post)
         rescue => e
-          raise Jekyll::Errors::PostURLError, <<-eos
+          raise Jekyll::Errors::PostURLError, <<-MSG
 Could not parse name of post "#{@orig_post}" in tag 'post_url'.
 
 Make sure the post exists and the name is correct.
 
 #{e.class}: #{e.message}
-eos
+MSG
         end
       end
 
@@ -90,11 +90,11 @@ eos
           return p.url
         end
 
-        raise Jekyll::Errors::PostURLError, <<-eos
+        raise Jekyll::Errors::PostURLError, <<-MSG
 Could not find post "#{@orig_post}" in tag 'post_url'.
 
 Make sure the post exists and the name is correct.
-eos
+MSG
       end
     end
   end

test/test_ansi.rb

@@ -8,7 +8,7 @@ class TestAnsi < JekyllUnitTest
       @subject = Jekyll::Utils::Ansi
     end
 
-    Jekyll::Utils::Ansi::COLORS.each do |color, _val|
+    Jekyll::Utils::Ansi::COLORS.each_key do |color|
       should "respond_to? #{color}" do
         assert @subject.respond_to?(color)
       end

test/test_utils.rb

@@ -1,3 +1,4 @@
+# encoding: utf-8
 # frozen_string_literal: true
 
 require "helper"