Add Layout/IndentationConsistency to Rubocop config

.github/workflows/ci.yml

@@ -72,5 +72,5 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '3.0'
-    - run: gem install rubocop:1.28.2
-    - run: rubocop --parallel
+    - run: bundle install
+    - run: bundle exec rubocop --parallel

.rubocop.yml

@@ -5,9 +5,13 @@ AllCops:
   DisplayCopNames: true
   Exclude:
     - command_line/fixtures/bad_syntax.rb
+    - core/exception/fixtures/syntax_error.rb
   DisabledByDefault: true
   NewCops: disable
 
+Layout/IndentationConsistency:
+  Enabled: true
+
 Layout/TrailingWhitespace:
   Enabled: true
 
@@ -43,6 +47,17 @@ Lint/InterpolationCheck:
 Lint/LiteralAsCondition:
   Enabled: false
 
+# Required to support Ruby 3.0
+Lint/RedundantRequireStatement:
+  Exclude:
+    - core/fiber/**/*.rb
+    - library/fiber/**/*.rb
+    - optional/capi/fiber_spec.rb
+
+Lint/RedundantSafeNavigation:
+  Exclude:
+    - language/safe_navigator_spec.rb
+
 Lint/RedundantSplatExpansion:
   Enabled: false
 

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2019-12-12 22:16:26 +0900 using RuboCop version 0.77.0.
+# on 2024-10-12 16:01:45 UTC using RuboCop version 1.66.1.
 # 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
@@ -21,6 +21,7 @@ Lint/DuplicateMethods:
     - 'fixtures/class.rb'
 
 # Offense count: 8
+# This cop supports safe autocorrection (--autocorrect).
 Lint/EnsureReturn:
   Exclude:
     - 'language/fixtures/ensure.rb'
@@ -39,6 +40,7 @@ Lint/FloatOutOfRange:
     - 'core/string/modulo_spec.rb'
 
 # Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
 Lint/ImplicitStringConcatenation:
   Exclude:
     - 'language/string_spec.rb'
@@ -50,8 +52,8 @@ Lint/IneffectiveAccessModifier:
     - 'core/module/fixtures/classes.rb'
     - 'language/fixtures/private.rb'
 
-# Offense count: 72
-# Cop supports --auto-correct.
+# Offense count: 71
+# This cop supports safe autocorrection (--autocorrect).
 Lint/LiteralInInterpolation:
   Exclude:
     - 'core/module/refine_spec.rb'
@@ -65,32 +67,25 @@ Lint/LiteralInInterpolation:
     - 'language/undef_spec.rb'
 
 # Offense count: 8
-# Cop supports --auto-correct.
+# This cop supports safe autocorrection (--autocorrect).
 Lint/MultipleComparison:
   Exclude:
     - 'language/precedence_spec.rb'
 
 # Offense count: 9
+# This cop supports safe autocorrection (--autocorrect).
 Lint/ParenthesesAsGroupedExpression:
   Exclude:
-    - 'core/string/fixtures/freeze_magic_comment.rb'
     - 'language/block_spec.rb'
-    - 'language/fixtures/send.rb'
     - 'language/method_spec.rb'
 
 # Offense count: 2
-# Cop supports --auto-correct.
+# This cop supports safe autocorrection (--autocorrect).
 Lint/RedundantStringCoercion:
   Exclude:
     - 'core/io/print_spec.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-Lint/RedundantWithIndex:
-  Exclude:
-    - 'core/enumerator/with_index_spec.rb'
-
-# Offense count: 22
+# Offense count: 25
 Lint/RescueException:
   Exclude:
     - 'command_line/fixtures/debug_info.rb'
@@ -107,14 +102,19 @@ Lint/RescueException:
     - 'language/rescue_spec.rb'
     - 'library/erb/filename_spec.rb'
 
+# Offense count: 1
+Lint/SelfAssignment:
+  Exclude:
+    - 'core/gc/auto_compact_spec.rb'
+
 # Offense count: 4
 # Configuration parameters: IgnoreImplicitReferences.
 Lint/ShadowedArgument:
   Exclude:
     - 'language/fixtures/super.rb'
 
-# Offense count: 39
-# Configuration parameters: AllowComments.
+# Offense count: 45
+# Configuration parameters: AllowComments, AllowNil.
 Lint/SuppressedException:
   Enabled: false
 
@@ -127,7 +127,8 @@ Lint/UnderscorePrefixedVariableName:
     - 'language/block_spec.rb'
 
 # Offense count: 7
-# Configuration parameters: ContextCreatingMethods, MethodCreatingMethods.
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AutoCorrect, ContextCreatingMethods, MethodCreatingMethods.
 Lint/UselessAccessModifier:
   Exclude:
     - 'core/module/define_method_spec.rb'

Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'rubocop', '= 1.66.1'

core/basicobject/instance_exec_spec.rb

@@ -84,17 +84,17 @@ def foo
     end.should raise_error(TypeError)
   end
 
-quarantine! do # Not clean, leaves cvars lying around to break other specs
-  it "scopes class var accesses in the caller when called on an Integer" do
-    # Integer can take instance vars
-    Integer.class_eval "@@__tmp_instance_exec_spec = 1"
-    (defined? @@__tmp_instance_exec_spec).should == nil
-
-    @@__tmp_instance_exec_spec = 2
-    1.instance_exec { @@__tmp_instance_exec_spec }.should == 2
-    Integer.__send__(:remove_class_variable, :@@__tmp_instance_exec_spec)
+  quarantine! do # Not clean, leaves cvars lying around to break other specs
+    it "scopes class var accesses in the caller when called on an Integer" do
+      # Integer can take instance vars
+      Integer.class_eval "@@__tmp_instance_exec_spec = 1"
+      (defined? @@__tmp_instance_exec_spec).should == nil
+
+      @@__tmp_instance_exec_spec = 2
+      1.instance_exec { @@__tmp_instance_exec_spec }.should == 2
+      Integer.__send__(:remove_class_variable, :@@__tmp_instance_exec_spec)
+    end
   end
-end
 
   it "raises a TypeError when defining methods on numerics" do
     -> do

core/file/chown_spec.rb

@@ -78,15 +78,15 @@
 end
 
 describe "File#chown" do
-    before :each do
-      @fname = tmp('file_chown_test')
-      @file = File.open(@fname, 'w')
-    end
+  before :each do
+    @fname = tmp('file_chown_test')
+    @file = File.open(@fname, 'w')
+  end
 
-    after :each do
-      @file.close unless @file.closed?
-      rm_r @fname
-    end
+  after :each do
+    @file.close unless @file.closed?
+    rm_r @fname
+  end
 
   as_superuser do
     platform_is :windows do

core/hash/hash_spec.rb

@@ -47,7 +47,7 @@
       a = 1
       b = 2
 
-     eval('{a:, b:}.should == { a: 1, b: 2 }')
+      eval('{a:, b:}.should == { a: 1, b: 2 }')
     end
   end
 end

core/integer/pow_spec.rb

@@ -19,13 +19,13 @@
       2.pow(61, 5843009213693951).should eql 3697379018277258
       2.pow(62, 5843009213693952).should eql 1551748822859776
       2.pow(63, 5843009213693953).should eql 3103497645717974
-      2.pow(64, 5843009213693954).should eql  363986077738838
+      2.pow(64, 5843009213693954).should eql 363986077738838
     end
 
     it "handles sign like #divmod does" do
-       2.pow(5,  12).should ==  8
-       2.pow(5, -12).should == -4
-      -2.pow(5,  12).should ==  4
+      2.pow(5, 12).should == 8
+      2.pow(5, -12).should == -4
+      -2.pow(5, 12).should == 4
       -2.pow(5, -12).should == -8
     end
 

core/integer/remainder_spec.rb

@@ -15,8 +15,8 @@
     end
 
     it "keeps sign of self" do
-       5.remainder( 3).should ==  2
-       5.remainder(-3).should ==  2
+      5.remainder( 3).should == 2
+      5.remainder(-3).should == 2
       -5.remainder( 3).should == -2
       -5.remainder(-3).should == -2
     end

core/io/dup_spec.rb

@@ -25,27 +25,27 @@
     @i.fileno.should_not == @f.fileno
   end
 
-quarantine! do # This does not appear to be consistent across platforms
-  it "shares the original stream between the two IOs" do
-    start = @f.pos
-    @i.pos.should == start
+  quarantine! do # This does not appear to be consistent across platforms
+    it "shares the original stream between the two IOs" do
+      start = @f.pos
+      @i.pos.should == start
 
-    s =  "Hello, wo.. wait, where am I?\n"
-    s2 = "<evil voice>       Muhahahaa!"
+      s =  "Hello, wo.. wait, where am I?\n"
+      s2 = "<evil voice>       Muhahahaa!"
 
-    @f.write s
-    @i.pos.should == @f.pos
+      @f.write s
+      @i.pos.should == @f.pos
 
-    @i.rewind
-    @i.gets.should == s
+      @i.rewind
+      @i.gets.should == s
 
-    @i.rewind
-    @i.write s2
+      @i.rewind
+      @i.write s2
 
-    @f.rewind
-    @f.gets.should == "#{s2}\n"
+      @f.rewind
+      @f.gets.should == "#{s2}\n"
+    end
   end
-end
 
   it "allows closing the new IO without affecting the original" do
     @i.close

core/io/read_spec.rb

@@ -217,19 +217,19 @@
     end
   end
 
-quarantine! do # The process tried to write to a nonexistent pipe.
-  platform_is :windows do
-    # TODO: It should raise Errno::ESPIPE on Windows as well
-    # once https://bugs.ruby-lang.org/issues/12230 is fixed.
-    it "raises Errno::EINVAL if passed an offset" do
-      -> {
-        suppress_warning do # https://bugs.ruby-lang.org/issues/19630
-          IO.read("|cmd.exe /C echo hello", 1, 1)
-        end
-      }.should raise_error(Errno::EINVAL)
+  quarantine! do # The process tried to write to a nonexistent pipe.
+    platform_is :windows do
+      # TODO: It should raise Errno::ESPIPE on Windows as well
+      # once https://bugs.ruby-lang.org/issues/12230 is fixed.
+      it "raises Errno::EINVAL if passed an offset" do
+        -> {
+          suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+            IO.read("|cmd.exe /C echo hello", 1, 1)
+          end
+        }.should raise_error(Errno::EINVAL)
+      end
     end
   end
-end
 
   ruby_version_is "3.3" do
     # https://bugs.ruby-lang.org/issues/19630

core/module/refine_spec.rb

@@ -245,7 +245,7 @@ def foo; "foo from singleton class"; end
 
     ruby_version_is ""..."3.2" do
       it "looks in the included modules for builtin methods" do
-          result = ruby_exe(<<-RUBY)
+        result = ruby_exe(<<-RUBY)
           a = Module.new do
             def /(other) quo(other) end
           end

language/fixtures/private.rb

@@ -43,17 +43,17 @@ def foo
     end
   end
 
-   class E
-     include D
-   end
-
-   class G
-     def foo
-       "foo"
-     end
-   end
-
-   class H < A
-     private :foo
-   end
+  class E
+    include D
+  end
+
+  class G
+    def foo
+      "foo"
+    end
+  end
+
+  class H < A
+    private :foo
+  end
 end

language/fixtures/send.rb

@@ -43,9 +43,9 @@ class PrivateSetter
     attr_writer :foo
     private :foo=
 
-      def call_self_foo_equals(value)
-        self.foo = value
-      end
+    def call_self_foo_equals(value)
+      self.foo = value
+    end
 
     def call_self_foo_equals_masgn(value)
       a, self.foo = 1, value

language/precedence_spec.rb

@@ -294,14 +294,14 @@ class FalseClass; undef_method :=~; end
     -> { eval("1...2...3")  }.should raise_error(SyntaxError)
   end
 
- it ".. ... have higher precedence than ? :" do
-   # Use variables to avoid warnings
-   from = 1
-   to = 2
-   # These are flip-flop, not Range instances
-   (from..to ? 3 : 4).should == 3
-   (from...to ? 3 : 4).should == 3
- end
+  it ".. ... have higher precedence than ? :" do
+    # Use variables to avoid warnings
+    from = 1
+    to = 2
+    # These are flip-flop, not Range instances
+    (from..to ? 3 : 4).should == 3
+    (from...to ? 3 : 4).should == 3
+  end
 
   it "? : is right-associative" do
     (true ? 2 : 3 ? 4 : 5).should == 2