[Fix rubocop#10135] Fix Style/WordArray to exclude files in `--auto…

…-gen-config` when `percent` style is given but brackets are required.

.rubocop.yml

@@ -144,3 +144,7 @@ InternalAffairs/UndefinedConfig:
   Exclude:
     - 'lib/rubocop/cop/correctors/**/*.rb'
     - 'lib/rubocop/cop/mixin/**/*.rb'
+
+InternalAffairs/StyleDetectedApiUse:
+  Exclude:
+    - 'lib/rubocop/cop/mixin/percent_array.rb'

changelog/fix_fix_stylewordarray_to_exclude_files_in.md

@@ -0,0 +1 @@
+* [#10135](https://github.com/rubocop/rubocop/issues/10135): Fix `Style/WordArray` to exclude files in `--auto-gen-config` when `percent` style is given but brackets are required. ([@dvandersluis][])

lib/rubocop/cop/mixin/percent_array.rb

@@ -36,7 +36,12 @@ def comments_in_array?(node)
       def check_percent_array(node)
         array_style_detected(:percent, node.values.size)
 
-        return unless style == :brackets || invalid_percent_array_contents?(node)
+        brackets_required = invalid_percent_array_contents?(node)
+        return unless style == :brackets || brackets_required
+
+        # If in percent style but brackets are required due to
+        # string content, the file should be excluded in auto-gen-config
+        no_acceptable_style! if brackets_required
 
         bracketed_array = build_bracketed_array(node)
         message = format(self.class::ARRAY_MSG, prefer: bracketed_array)

spec/rubocop/cop/style/word_array_spec.rb

@@ -327,6 +327,8 @@
       expect_correction(<<~RUBY)
         ['one two', 'three four']
       RUBY
+
+      expect(cop.config_to_allow_offenses).to eq('Enabled' => false)
     end
 
     it 'does not register an offense for a %w() array containing non word characters' do