Enable Rubocop - the sequel

.github/workflows/octokit.yml

@@ -20,11 +20,18 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu ]
-        ruby: [ 2.5, 2.6, 2.7, '3.0', '3.1', head ]
+        ruby: [ 2.3, 2.4, 2.5, 2.6, 2.7, '3.0', '3.1', head ]
         faraday: [ '~> 1.0', '~> 2.0' ]
         exclude:
+          # Faraday 2.x only works with Ruby versions 2.6 onwards.
+          # Fortunately, the gem supports Faraday 1.x, so we can just
+          # test against that.
           - ruby: 2.5
             faraday: '~> 2.0'
+          - ruby: 2.4
+            faraday: '~> 2.0'
+          - ruby: 2.3
+            faraday: '~> 2.0'
     env:
       FARADAY_VERSION: ${{ matrix.faraday }}
 
@@ -43,16 +50,26 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
       - name: Setup .netrc
         run: chmod 600 spec/fixtures/.netrc
-      - name: Ruby 2.5 needs a newer RubyGems to support frozen-string-literal
-        if: ${{ matrix.ruby == '2.5' }}
+      - name: Ruby 2.5 and earlier need a newer RubyGems to support frozen-string-literal
+        if: ${{ matrix.ruby == '2.5' || matrix.ruby == '2.4' || matrix.ruby == '2.3'  }}
         run: gem update --system 2.7.11
       - name: Install dependencies
         run: |
           bundle config set path .bundle/gems
           bundle config set without development
           bundle install --jobs 4 --retry 3
-      - name: Test with RSpec
+      - name: Test with RSpec with frozen string literals enabled
         env:
           GITHUB_CI: 1
           RUBYOPT: --enable-frozen-string-literal
         run: bundle exec rspec -w
+        if: ${{ matrix.ruby != '2.3' }}
+      - name: Test with RSpec without frozen string literals enabled
+        env:
+          GITHUB_CI: 1
+        run: bundle exec rspec -w
+        if: ${{ matrix.ruby == '2.3' }}
+      - name: Lint with Rubocop
+        env:
+          GITHUB_CI: 1
+        run: bundle exec rubocop

.rubocop.yml

@@ -1,3 +1,22 @@
+inherit_from: .rubocop_todo.yml
+
+AllCops:
+  TargetRubyVersion: 2.3
 Metrics/BlockLength:
   Exclude:
-    spec/**/*_spec.rb
+    - spec/**/*_spec.rb
+Layout/BlockAlignment:
+  Exclude: 
+    # This file is causing Rubocop to error - see <https://github.com/octokit/octokit.rb/runs/6779545664>
+    # for an example
+    - Guardfile
+Lint/RaiseException:
+  Enabled: true
+Lint/StructNewOverride:
+  Enabled: true
+Style/HashEachMethods:
+  Enabled: true
+Style/HashTransformKeys:
+  Enabled: true
+Style/HashTransformValues:
+  Enabled: true

.rubocop_todo.yml

@@ -0,0 +1,239 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2022-06-07 18:42:36 +0100 using RuboCop version 0.81.0.
+# 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
+# Configuration parameters: Include.
+# Include: **/*.gemspec
+Gemspec/RequiredRubyVersion:
+  Exclude:
+    - 'octokit.gemspec'
+
+# Offense count: 4
+Lint/AmbiguousOperator:
+  Exclude:
+    - 'lib/octokit/client.rb'
+    - 'lib/octokit/client/pub_sub_hubbub.rb'
+    - 'lib/octokit/connection.rb'
+
+# Offense count: 13
+# Configuration parameters: AllowSafeAssignment.
+Lint/AssignmentInCondition:
+  Exclude:
+    - 'lib/octokit/client/contents.rb'
+    - 'lib/octokit/client/feeds.rb'
+    - 'lib/octokit/client/gists.rb'
+    - 'lib/octokit/client/organizations.rb'
+    - 'lib/octokit/client/releases.rb'
+    - 'lib/octokit/client/stats.rb'
+    - 'lib/octokit/connection.rb'
+    - 'lib/octokit/error.rb'
+    - 'lib/octokit/response/raise_error.rb'
+
+# Offense count: 20
+# Configuration parameters: AllowComments.
+Lint/SuppressedException:
+  Exclude:
+    - 'Rakefile'
+    - 'spec/helper.rb'
+    - 'spec/octokit/client/actions_secrets_spec.rb'
+    - 'spec/octokit/client/commits_spec.rb'
+    - 'spec/octokit/client/deployments_spec.rb'
+    - 'spec/octokit/client/hooks_spec.rb'
+    - 'spec/octokit/client/issues_spec.rb'
+    - 'spec/octokit/client/reactions_spec.rb'
+    - 'spec/octokit/client/refs_spec.rb'
+    - 'spec/octokit/client/repositories_spec.rb'
+    - 'spec/octokit/client/repository_invitations_spec.rb'
+    - 'spec/octokit/client/source_import_spec.rb'
+
+# Offense count: 31
+Lint/UselessAssignment:
+  Exclude:
+    - 'spec/octokit/client/actions_secrets_spec.rb'
+    - 'spec/octokit/client/actions_workflow_runs_spec.rb'
+    - 'spec/octokit/client/apps_spec.rb'
+    - 'spec/octokit/client/hooks_spec.rb'
+    - 'spec/octokit/client/organizations_spec.rb'
+    - 'spec/octokit/client/rate_limit_spec.rb'
+    - 'spec/octokit/client/releases_spec.rb'
+    - 'spec/octokit/client/repositories_spec.rb'
+    - 'spec/octokit/client/stats_spec.rb'
+    - 'spec/octokit/client_spec.rb'
+    - 'spec/octokit/enterprise_admin_client/search_indexing_spec.rb'
+    - 'spec/octokit/enterprise_admin_client/users_spec.rb'
+    - 'spec/octokit/enterprise_management_console_client/management_console_spec.rb'
+
+# Offense count: 1
+# Configuration parameters: CheckForMethodsWithNoSideEffects.
+Lint/Void:
+  Exclude:
+    - 'lib/octokit/repo_arguments.rb'
+
+# Offense count: 16
+# Configuration parameters: IgnoredMethods.
+Metrics/AbcSize:
+  Max: 33
+
+# Offense count: 1
+# Configuration parameters: CountComments, ExcludedMethods.
+# ExcludedMethods: refine
+Metrics/BlockLength:
+  Max: 102
+
+# Offense count: 1
+# Configuration parameters: CountBlocks.
+Metrics/BlockNesting:
+  Max: 4
+
+# Offense count: 2
+# Configuration parameters: CountComments.
+Metrics/ClassLength:
+  Max: 160
+
+# Offense count: 7
+# Configuration parameters: IgnoredMethods.
+Metrics/CyclomaticComplexity:
+  Max: 18
+
+# Offense count: 29
+# Configuration parameters: CountComments, ExcludedMethods.
+Metrics/MethodLength:
+  Max: 26
+
+# Offense count: 4
+# Configuration parameters: CountComments.
+Metrics/ModuleLength:
+  Max: 217
+
+# Offense count: 4
+# Configuration parameters: CountKeywordArgs.
+Metrics/ParameterLists:
+  Max: 9
+
+# Offense count: 6
+# Configuration parameters: IgnoredMethods.
+Metrics/PerceivedComplexity:
+  Max: 13
+
+# Offense count: 1
+Naming/AccessorMethodName:
+  Exclude:
+    - 'lib/octokit/enterprise_management_console_client/management_console.rb'
+
+# Offense count: 1
+# Configuration parameters: ForbiddenDelimiters.
+# ForbiddenDelimiters: (?-mix:(^|\s)(EO[A-Z]{1}|END)(\s|$))
+Naming/HeredocDelimiterNaming:
+  Exclude:
+    - 'lib/octokit/preview.rb'
+
+# Offense count: 1
+# Configuration parameters: MinNameLength, AllowNamesEndingInNumbers, AllowedNames, ForbiddenNames.
+# AllowedNames: io, id, to, by, on, in, at, ip, db, os, pp
+Naming/MethodParameterName:
+  Exclude:
+    - 'lib/octokit/client/legacy_search.rb'
+
+# Offense count: 9
+# Configuration parameters: AllowedChars.
+Style/AsciiComments:
+  Exclude:
+    - 'lib/octokit/client/contents.rb'
+    - 'lib/octokit/client/gists.rb'
+    - 'lib/octokit/client/licenses.rb'
+    - 'lib/octokit/client/organizations.rb'
+    - 'lib/octokit/client/repositories.rb'
+    - 'lib/octokit/client/stats.rb'
+    - 'lib/octokit/client/users.rb'
+    - 'lib/octokit/middleware/follow_redirects.rb'
+
+# Offense count: 484
+Style/CommentedKeyword:
+  Enabled: false
+
+# Offense count: 3
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - 'lib/octokit/client/actions_workflow_runs.rb'
+    - 'lib/octokit/client/users.rb'
+    - 'lib/octokit/enterprise_management_console_client/management_console.rb'
+
+# Offense count: 7
+Style/DoubleNegation:
+  Exclude:
+    - 'lib/octokit/authentication.rb'
+    - 'lib/octokit/client/repositories.rb'
+    - 'lib/octokit/configurable.rb'
+    - 'spec/helper.rb'
+
+# Offense count: 7
+# Configuration parameters: MinBodyLength.
+Style/GuardClause:
+  Exclude:
+    - 'lib/octokit.rb'
+    - 'lib/octokit/client/feeds.rb'
+    - 'lib/octokit/error.rb'
+    - 'lib/octokit/repository.rb'
+    - 'lib/octokit/response/feed_parser.rb'
+    - 'lib/octokit/response/raise_error.rb'
+
+# Offense count: 1
+# Configuration parameters: AllowIfModifier.
+Style/IfInsideElse:
+  Exclude:
+    - 'lib/octokit/connection.rb'
+
+# Offense count: 22
+# Cop supports --auto-correct.
+Style/IfUnlessModifier:
+  Exclude:
+    - 'lib/octokit.rb'
+    - 'lib/octokit/client.rb'
+    - 'lib/octokit/client/authorizations.rb'
+    - 'lib/octokit/client/commits.rb'
+    - 'lib/octokit/client/organizations.rb'
+    - 'lib/octokit/client/repositories.rb'
+    - 'lib/octokit/default.rb'
+    - 'lib/octokit/enterprise_management_console_client/management_console.rb'
+    - 'lib/octokit/error.rb'
+    - 'lib/octokit/repository.rb'
+    - 'spec/helper.rb'
+
+# Offense count: 1
+Style/MultilineTernaryOperator:
+  Exclude:
+    - 'lib/octokit/client/contents.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: AutoCorrect, EnforcedStyle, IgnoredMethods.
+# SupportedStyles: predicate, comparison
+Style/NumericPredicate:
+  Exclude:
+    - 'spec/**/*'
+    - 'lib/octokit/connection.rb'
+
+# Offense count: 1
+Style/StructInheritance:
+  Exclude:
+    - 'lib/octokit/rate_limit.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Style/WhileUntilModifier:
+  Exclude:
+    - 'spec/octokit/client/source_import_spec.rb'
+
+# Offense count: 1290
+# Cop supports --auto-correct.
+# Configuration parameters: AutoCorrect, AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
+# URISchemes: http, https
+Layout/LineLength:
+  Max: 517

Gemfile

@@ -32,14 +32,19 @@ group :test do
   gem 'webmock', '~> 3.8', '>= 3.8.2'
 end
 
-gem 'faraday', ENV.fetch('FARADAY_VERSION', '~> 2.0')
-gem 'faraday-retry'
-gem 'faraday-multipart'
+faraday_version = ENV.fetch('FARADAY_VERSION', '~> 2.0')
+
+gem 'faraday', faraday_version
+
+if faraday_version.start_with?('~> 2')
+  gem 'faraday-multipart'
+  gem 'faraday-retry'
+end
 
 group :test, :development do
   gem 'pry-byebug'
   gem 'redcarpet'
-  gem 'rubocop'
+  gem 'rubocop', '0.81'
 end
 
 gemspec

Guardfile

@@ -1,5 +1,7 @@
-guard "rspec", :cmd => "bundle exec rspec" do
+# frozen_string_literal: true
+
+guard 'rspec', cmd: 'bundle exec rspec' do
   watch(%r{^spec/.+_spec\.rb$})
-  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/#{m[1]}_spec.rb" }
-  watch("spec/helper.rb")  { "spec" }
+  watch(%r{^lib/(.+)\.rb$}) { |m| "spec/#{m[1]}_spec.rb" }
+  watch('spec/helper.rb') { 'spec' }
 end

Rakefile

@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 
-task :test => :spec
-task :default => :spec
+task test: :spec
+task default: :spec
 
 namespace :doc do
   begin
@@ -14,7 +16,7 @@ namespace :doc do
       task.files   = ['README.md', 'LICENSE.md', 'lib/**/*.rb']
       task.options = [
         '--output-dir', 'doc/yard',
-        '--markup', 'markdown',
+        '--markup', 'markdown'
       ]
     end
   rescue LoadError

lib/ext/sawyer/relation.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require 'sawyer'
 
 patch = Module.new do
-  def href(options=nil)
+  def href(options = nil)
     # Temporary workaround for: https://github.com/octokit/octokit.rb/issues/727
-    name.to_s == "ssh" ? @href : super
+    name.to_s == 'ssh' ? @href : super
   end
 end