migrate_rubocop.rb

rules = {
  'Layout/AndOr' => 'Style',
  'Layout/BarePercentLiterals' => 'Style',
  'Layout/BracesAroundHashParameters' => 'Style',
  'Layout/ClassAndModuleChildren' => 'Style',
  'Layout/ClassCheck' => 'Style',
  'Layout/CollectionMethods' => 'Style',
  'Layout/CommentAnnotation' => 'Style',
  'Layout/Encoding' => 'Style',
  'Layout/FileName' => 'Style',
  'Layout/For' => 'Style',
  'Layout/FormatString' => 'Style',
  'Layout/GlobalVars' => 'Style',
  'Layout/GuardClause' => 'Style',
  'Layout/HashSyntax' => 'Style',
  'Layout/IfUnlessModifier' => 'Style',
  'Layout/LambdaCall' => 'Style',
  'Layout/Next' => 'Style',
  'Layout/NonNilCheck' => 'Style',
  'Layout/MethodDefParentheses' => 'Style',
  'Layout/MethodName' => 'Style',
  'Layout/NumericLiterals' => 'Style',
  'Layout/NumericPredicate' => 'Style',
  'Layout/ParenthesesAroundCondition' => 'Style',
  'Layout/PercentLiteralDelimiters' => 'Style',
  'Layout/PercentQLiterals' => 'Style',
  'Layout/PredicateName' => 'Style',
  'Layout/RaiseArgs' => 'Style',
  'Layout/RedundantReturn' => 'Style',
  'Layout/RegexpLiteral' => 'Style',
  'Layout/Semicolon' => 'Style',
  'Layout/SignalException' => 'Style',
  'Layout/SingleLineBlockParams' => 'Style',
  'Layout/SingleLineMethods' => 'Style',
  'Layout/StringLiteralsInInterpolation' => 'Style',
  'Layout/SymbolProc' => 'Style',
  'Layout/TrailingCommaInLiteral' => 'Style',
  'Layout/TrailingCommaInArguments' => 'Style',
  'Layout/TrivialAccessors' => 'Style',
  'Layout/VariableName' => 'Style',
  'Layout/WhileUntilModifier' => 'Style',
  'Layout/WordArray' => 'Style',
  'Layout/InlineComment' => 'Style',
  'Layout/MethodCalledOnDoEndBlock' => 'Style',
  'Layout/SymbolArray' => 'Style',
  'Layout/AccessorMethodName' => 'Style',
  'Layout/Alias' => 'Style',
  'Layout/ArrayJoin' => 'Style',
  'Layout/AsciiComments' => 'Style',
  'Layout/AsciiIdentifiers' => 'Style',
  'Layout/Attr' => 'Style',
  'Layout/BeginBlock' => 'Style',
  'Layout/BlockComments' => 'Style',
  'Layout/BlockDelimiters' => 'Style',
  'Layout/CaseEquality' => 'Style',
  'Layout/CharacterLiteral' => 'Style',
  'Layout/ClassAndModuleCamelCase' => 'Style',
  'Layout/ClassMethods' => 'Style',
  'Layout/ClassVars' => 'Style',
  'Layout/ColonMethodCall' => 'Style',
  'Layout/ConstantName' => 'Style',
  'Layout/DefWithParentheses' => 'Style',
  'Layout/PreferredHashMethods' => 'Style',
  'Layout/Documentation' => 'Style',
  'Layout/DoubleNegation' => 'Style',
  'Layout/EachWithObject' => 'Style',
  'Layout/EmptyElse' => 'Style',
  'Layout/EmptyLiteral' => 'Style',
  'Layout/EndBlock' => 'Style',
  'Layout/EvenOdd' => 'Style',
  'Layout/FlipFlop' => 'Style',
  'Layout/IfWithSemicolon' => 'Style',
  'Layout/InfiniteLoop' => 'Style',
  'Layout/Lambda' => 'Style',
  'Layout/LineEndConcatenation' => 'Style',
  'Layout/MethodCallWithoutArgsParentheses' => 'Style',
  'Layout/ModuleFunction' => 'Style',
  'Layout/MultilineIfThen' => 'Style',
  'Layout/MultilineTernaryOperator' => 'Style',
  'Layout/NegatedIf' => 'Style',
  'Layout/NegatedWhile' => 'Style',
  'Layout/NestedTernaryOperator' => 'Style',
  'Layout/NilComparison' => 'Style',
  'Layout/Not' => 'Style',
  'Layout/OneLineConditional' => 'Style',
  'Layout/OpMethod' => 'Style',
  'Layout/PerlBackrefs' => 'Style',
  'Layout/Proc' => 'Style',
  'Layout/RedundantBegin' => 'Style',
  'Layout/RedundantException' => 'Style',
  'Layout/RescueModifier' => 'Style',
  'Layout/SelfAssignment' => 'Style',
  'Layout/SpecialGlobalVars' => 'Style',
  'Layout/StructInheritance' => 'Style',
  'Layout/UnlessElse' => 'Style',
  'Layout/UnneededCapitalW' => 'Style',
  'Layout/UnneededPercentQ' => 'Style',
  'Layout/CommandLiteral' => 'Style',
  'Layout/VariableInterpolation' => 'Style',
  'Layout/WhenThen' => 'Style',
  'Layout/WhileUntilDo' => 'Style',
  'Lint/Eval' => 'Security',
  'Lint/SpaceBeforeFirstArg' => 'Layout',
  'Layout/FrozenStringLiteralComment' => 'Style'
}

require 'pry'
require 'yaml'
rubocop_file = YAML.load_file('.rubocop.yml')

rules.each do |rule, new|
  new_rule = rule.split('/').first + '/' + new
  rubocop_file[new_rule] = rubocop_file.delete(rule)
end

puts rubocop_file.to_yaml