[Fix #10016] Fix conflict between Style/SoleNestedConditional and Style/NegatedIf or Style/NegatedUnless

changelog/fix_fix_conflict_between.md

@@ -0,0 +1 @@
+* [#10016](https://github.com/rubocop/rubocop/issues/10016): Fix conflict between `Style/SoleNestedConditional` and `Style/NegatedIf`/`Style/NegatedUnless`. ([@dvandersluis][])

lib/rubocop/cop/style/sole_nested_conditional.rb

@@ -38,6 +38,10 @@ class SoleNestedConditional < Base
 
         MSG = 'Consider merging nested conditions into outer `%<conditional_type>s` conditions.'
 
+        def self.autocorrect_incompatible_with
+          [Style::NegatedIf, Style::NegatedUnless]
+        end
+
         def on_if(node)
           return if node.ternary? || node.else? || node.elsif?
 

spec/rubocop/cli/autocorrect_spec.rb

@@ -2192,4 +2192,38 @@ def foo(a)
       end
     RUBY
   end
+
+  it 'properly corrects when `Style/SoleNestedConditional` and one of '\
+     '`Style/NegatedIf` or `Style/NegatedUnless` detect offenses' do
+    source_file = Pathname('example.rb')
+    create_file(source_file, <<~RUBY)
+      if !foo?
+        if bar?
+          do_something
+        end
+      end
+
+      unless !foo?
+        if bar?
+          do_something
+        end
+      end
+    RUBY
+
+    status = cli.run(
+      %w[--auto-correct --only] << %w[
+        NegatedIf NegatedUnless SoleNestedConditional
+      ].join(',')
+    )
+    expect(status).to eq(0)
+    expect(source_file.read).to eq(<<~RUBY)
+      if !foo? && bar?
+          do_something
+        end
+
+      if !!foo? && bar?
+          do_something
+        end
+    RUBY
+  end
 end