RuboCop是一个基于社区驱动的Ruby样式指南的Ruby代码样式检查器（linter）和格式化程序。

RuboCop非常灵活，其行为的大多数方面都可以通过各种配置选项进行调整。在实践中，RuboCop几乎支持你能想到的每一种（相当流行的）编码风格。

除了报告代码中的问题外，RuboCop还可以自动为您修复一些问题。

RuboCop提供Bundler,Gemspec,Layout,Lint,Metrics,Migration,Naming,Security,Style这几类的规则配置，一共531条规则。

使用gui配置工具

使用gui配置工具，可以让配置RoboCop参数更简单。

在凌鲨(linksaas)的微应用里面可以找到RoboCop配置助手，快速配置自定义规则。

凌鲨(linksaas)是以开源方式运作的，您可以从jihulab.com/linksaas 访问源代码。也可以从 linksaas.pro 下载预编译的版本。

附录

可配置规则

• Bundler/DuplicatedGem
• Bundler/GemComment
• Bundler/GemFilename
• Bundler/GemVersion
• Bundler/InsecureProtocolSource
• Bundler/OrderedGems
• Gemspec/DependencyVersion
• Gemspec/DeprecatedAttributeAssignment
• Gemspec/DevelopmentDependencies
• Gemspec/DuplicatedAssignment
• Gemspec/OrderedDependencies
• Gemspec/RequireMFA
• Gemspec/RequiredRubyVersion
• Gemspec/RubyVersionGlobalsUsage
• Layout/AccessModifierIndentation
• Layout/ArgumentAlignment
• Layout/ArrayAlignment
• Layout/AssignmentIndentation
• Layout/BeginEndAlignment
• Layout/BlockAlignment
• Layout/BlockEndNewline
• Layout/CaseIndentation
• Layout/ClassStructure
• Layout/ClosingHeredocIndentation
• Layout/ClosingParenthesisIndentation
• Layout/CommentIndentation
• Layout/ConditionPosition
• Layout/DefEndAlignment
• Layout/DotPosition
• Layout/ElseAlignment
• Layout/EmptyComment
• Layout/EmptyLineAfterGuardClause
• Layout/EmptyLineAfterMagicComment
• Layout/EmptyLineAfterMultilineCondition
• Layout/EmptyLineBetweenDefs
• Layout/EmptyLines
• Layout/EmptyLinesAroundAccessModifier
• Layout/EmptyLinesAroundArguments
• Layout/EmptyLinesAroundAttributeAccessor
• Layout/EmptyLinesAroundBeginBody
• Layout/EmptyLinesAroundBlockBody
• Layout/EmptyLinesAroundClassBody
• Layout/EmptyLinesAroundExceptionHandlingKeywords
• Layout/EmptyLinesAroundMethodBody
• Layout/EmptyLinesAroundModuleBody
• Layout/EndAlignment
• Layout/EndOfLine
• Layout/ExtraSpacing
• Layout/FirstArgumentIndentation
• Layout/FirstArrayElementIndentation
• Layout/FirstArrayElementLineBreak
• Layout/FirstHashElementIndentation
• Layout/FirstHashElementLineBreak
• Layout/FirstMethodArgumentLineBreak
• Layout/FirstMethodParameterLineBreak
• Layout/FirstParameterIndentation
• Layout/HashAlignment
• Layout/HeredocArgumentClosingParenthesis
• Layout/HeredocIndentation
• Layout/IndentationConsistency
• Layout/IndentationStyle
• Layout/IndentationWidth
• Layout/InitialIndentation
• Layout/LeadingCommentSpace
• Layout/LeadingEmptyLines
• Layout/LineContinuationLeadingSpace
• Layout/LineContinuationSpacing
• Layout/LineEndStringConcatenationIndentation
• Layout/LineLength
• Layout/MultilineArrayBraceLayout
• Layout/MultilineArrayLineBreaks
• Layout/MultilineAssignmentLayout
• Layout/MultilineBlockLayout
• Layout/MultilineHashBraceLayout
• Layout/MultilineHashKeyLineBreaks
• Layout/MultilineMethodArgumentLineBreaks
• Layout/MultilineMethodCallBraceLayout
• Layout/MultilineMethodCallIndentation
• Layout/MultilineMethodDefinitionBraceLayout
• Layout/MultilineMethodParameterLineBreaks
• Layout/MultilineOperationIndentation
• Layout/ParameterAlignment
• Layout/RedundantLineBreak
• Layout/RescueEnsureAlignment
• Layout/SingleLineBlockChain
• Layout/SpaceAfterColon
• Layout/SpaceAfterComma
• Layout/SpaceAfterMethodName
• Layout/SpaceAfterNot
• Layout/SpaceAfterSemicolon
• Layout/SpaceAroundBlockParameters
• Layout/SpaceAroundEqualsInParameterDefault
• Layout/SpaceAroundKeyword
• Layout/SpaceAroundMethodCallOperator
• Layout/SpaceAroundOperators
• Layout/SpaceBeforeBlockBraces
• Layout/SpaceBeforeBrackets
• Layout/SpaceBeforeComma
• Layout/SpaceBeforeComment
• Layout/SpaceBeforeFirstArg
• Layout/SpaceBeforeSemicolon
• Layout/SpaceInLambdaLiteral
• Layout/SpaceInsideArrayLiteralBrackets
• Layout/SpaceInsideArrayPercentLiteral
• Layout/SpaceInsideBlockBraces
• Layout/SpaceInsideHashLiteralBraces
• Layout/SpaceInsideParens
• Layout/SpaceInsidePercentLiteralDelimiters
• Layout/SpaceInsideRangeLiteral
• Layout/SpaceInsideReferenceBrackets
• Layout/SpaceInsideStringInterpolation
• Layout/TrailingEmptyLines
• Layout/TrailingWhitespace
• Lint/AmbiguousAssignment
• Lint/AmbiguousBlockAssociation
• Lint/AmbiguousOperator
• Lint/AmbiguousOperatorPrecedence
• Lint/AmbiguousRange
• Lint/AmbiguousRegexpLiteral
• Lint/AssignmentInCondition
• Lint/BigDecimalNew
• Lint/BinaryOperatorWithIdenticalOperands
• Lint/BooleanSymbol
• Lint/CircularArgumentReference
• Lint/ConstantDefinitionInBlock
• Lint/ConstantOverwrittenInRescue
• Lint/ConstantResolution
• Lint/Debugger
• Lint/DeprecatedClassMethods
• Lint/DeprecatedConstants
• Lint/DeprecatedOpenSSLConstant
• Lint/DisjunctiveAssignmentInConstructor
• Lint/DuplicateBranch
• Lint/DuplicateCaseCondition
• Lint/DuplicateElsifCondition
• Lint/DuplicateHashKey
• Lint/DuplicateMagicComment
• Lint/DuplicateMatchPattern
• Lint/DuplicateMethods
• Lint/DuplicateRegexpCharacterClassElement
• Lint/DuplicateRequire
• Lint/DuplicateRescueException
• Lint/EachWithObjectArgument
• Lint/ElseLayout
• Lint/EmptyBlock
• Lint/EmptyClass
• Lint/EmptyConditionalBody
• Lint/EmptyEnsure
• Lint/EmptyExpression
• Lint/EmptyFile
• Lint/EmptyInPattern
• Lint/EmptyInterpolation
• Lint/EmptyWhen
• Lint/EnsureReturn
• Lint/ErbNewArguments
• Lint/FlipFlop
• Lint/FloatComparison
• Lint/FloatOutOfRange
• Lint/FormatParameterMismatch
• Lint/HashCompareByIdentity
• Lint/HeredocMethodCallPosition
• Lint/IdentityComparison
• Lint/ImplicitStringConcatenation
• Lint/IncompatibleIoSelectWithFiberScheduler
• Lint/IneffectiveAccessModifier
• Lint/InheritException
• Lint/InterpolationCheck
• Lint/LambdaWithoutLiteralBlock
• Lint/LiteralAsCondition
• Lint/LiteralInInterpolation
• Lint/Loop
• Lint/MissingCopEnableDirective
• Lint/MissingSuper
• Lint/MixedRegexpCaptureTypes
• Lint/MultipleComparison
• Lint/NestedMethodDefinition
• Lint/NestedPercentLiteral
• Lint/NextWithoutAccumulator
• Lint/NoReturnInBeginEndBlocks
• Lint/NonAtomicFileOperation
• Lint/NonDeterministicRequireOrder
• Lint/NonLocalExitFromIterator
• Lint/NumberConversion
• Lint/NumberedParameterAssignment
• Lint/OrAssignmentToConstant
• Lint/OrderedMagicComments
• Lint/OutOfRangeRegexpRef
• Lint/ParenthesesAsGroupedExpression
• Lint/PercentStringArray
• Lint/PercentSymbolArray
• Lint/RaiseException
• Lint/RandOne
• Lint/RedundantCopDisableDirective
• Lint/RedundantCopEnableDirective
• Lint/RedundantDirGlobSort
• Lint/RedundantRequireStatement
• Lint/RedundantSafeNavigation
• Lint/RedundantSplatExpansion
• Lint/RedundantStringCoercion
• Lint/RedundantWithIndex
• Lint/RedundantWithObject
• Lint/RefinementImportMethods
• Lint/RegexpAsCondition
• Lint/RequireParentheses
• Lint/RequireRangeParentheses
• Lint/RequireRelativeSelfPath
• Lint/RescueException
• Lint/RescueType
• Lint/ReturnInVoidContext
• Lint/SafeNavigationChain
• Lint/SafeNavigationConsistency
• Lint/SafeNavigationWithEmpty
• Lint/ScriptPermission
• Lint/SelfAssignment
• Lint/SendWithMixinArgument
• Lint/ShadowedArgument
• Lint/ShadowedException
• Lint/ShadowingOuterLocalVariable
• Lint/StructNewOverride
• Lint/SuppressedException
• Lint/SymbolConversion
• Lint/Syntax
• Lint/ToEnumArguments
• Lint/ToJSON
• Lint/TopLevelReturnWithArgument
• Lint/TrailingCommaInAttributeDeclaration
• Lint/TripleQuotes
• Lint/UnderscorePrefixedVariableName
• Lint/UnexpectedBlockArity
• Lint/UnifiedInteger
• Lint/UnmodifiedReduceAccumulator
• Lint/UnreachableCode
• Lint/UnreachableLoop
• Lint/UnusedBlockArgument
• Lint/UnusedMethodArgument
• Lint/UriEscapeUnescape
• Lint/UriRegexp
• Lint/UselessAccessModifier
• Lint/UselessAssignment
• Lint/UselessElseWithoutRescue
• Lint/UselessMethodDefinition
• Lint/UselessRescue
• Lint/UselessRuby2Keywords
• Lint/UselessSetterCall
• Lint/UselessTimes
• Lint/Void
• Metrics/AbcSize
• Metrics/BlockLength
• Metrics/BlockNesting
• Metrics/ClassLength
• Metrics/CollectionLiteralLength
• Metrics/CyclomaticComplexity
• Metrics/MethodLength
• Metrics/ModuleLength
• Metrics/ParameterLists
• Metrics/PerceivedComplexity
• Migration/DepartmentName
• Naming/AccessorMethodName
• Naming/AsciiIdentifiers
• Naming/BinaryOperatorParameterName
• Naming/BlockForwarding
• Naming/BlockParameterName
• Naming/ClassAndModuleCamelCase
• Naming/ConstantName
• Naming/FileName
• Naming/HeredocDelimiterCase
• Naming/HeredocDelimiterNaming
• Naming/InclusiveLanguage
• Naming/MemoizedInstanceVariableName
• Naming/MethodName
• Naming/MethodParameterName
• Naming/PredicateName
• Naming/RescuedExceptionsVariableName
• Naming/VariableName
• Naming/VariableNumber
• Security/CompoundHash
• Security/Eval
• Security/IoMethods
• Security/JSONLoad
• Security/MarshalLoad
• Security/Open
• Security/YAMLLoad
• Style/AccessModifierDeclarations
• Style/AccessorGrouping
• Style/Alias
• Style/AndOr
• Style/ArgumentsForwarding
• Style/ArrayCoercion
• Style/ArrayIntersect
• Style/ArrayJoin
• Style/AsciiComments
• Style/Attr
• Style/AutoResourceCleanup
• Style/BarePercentLiterals
• Style/BeginBlock
• Style/BisectedAttrAccessor
• Style/BlockComments
• Style/BlockDelimiters
• Style/CaseEquality
• Style/CaseLikeIf
• Style/CharacterLiteral
• Style/ClassAndModuleChildren
• Style/ClassCheck
• Style/ClassEqualityComparison
• Style/ClassMethods
• Style/ClassMethodsDefinitions
• Style/ClassVars
• Style/CollectionCompact
• Style/CollectionMethods
• Style/ColonMethodCall
• Style/ColonMethodDefinition
• Style/CombinableLoops
• Style/CommandLiteral
• Style/CommentAnnotation
• Style/CommentedKeyword
• Style/ComparableClamp
• Style/ConcatArrayLiterals
• Style/ConditionalAssignment
• Style/ConstantVisibility
• Style/Copyright
• Style/DataInheritance
• Style/DateTime
• Style/DefWithParentheses
• Style/Dir
• Style/DirEmpty
• Style/DisableCopsWithinSourceCodeDirective
• Style/DocumentDynamicEvalDefinition
• Style/Documentation
• Style/DocumentationMethod
• Style/DoubleCopDisableDirective
• Style/DoubleNegation
• Style/EachForSimpleLoop
• Style/EachWithObject
• Style/EmptyBlockParameter
• Style/EmptyCaseCondition
• Style/EmptyElse
• Style/EmptyHeredoc
• Style/EmptyLambdaParameter
• Style/EmptyLiteral
• Style/EmptyMethod
• Style/Encoding
• Style/EndBlock
• Style/EndlessMethod
• Style/EnvHome
• Style/EvalWithLocation
• Style/EvenOdd
• Style/ExpandPathArguments
• Style/ExplicitBlockArgument
• Style/ExponentialNotation
• Style/FetchEnvVar
• Style/FileEmpty
• Style/FileRead
• Style/FileWrite
• Style/FloatDivision
• Style/For
• Style/FormatString
• Style/FormatStringToken
• Style/FrozenStringLiteralComment
• Style/GlobalStdStream
• Style/GlobalVars
• Style/GuardClause
• Style/HashAsLastArrayItem
• Style/HashConversion
• Style/HashEachMethods
• Style/HashExcept
• Style/HashLikeCase
• Style/HashSyntax
• Style/HashTransformKeys
• Style/HashTransformValues
• Style/IdenticalConditionalBranches
• Style/IfInsideElse
• Style/IfUnlessModifier
• Style/IfUnlessModifierOfIfUnless
• Style/IfWithBooleanLiteralBranches
• Style/IfWithSemicolon
• Style/ImplicitRuntimeError
• Style/InPatternThen
• Style/InfiniteLoop
• Style/InlineComment
• Style/InverseMethods
• Style/InvertibleUnlessCondition
• Style/IpAddresses
• Style/KeywordParametersOrder
• Style/Lambda
• Style/LambdaCall
• Style/LineEndConcatenation
• Style/MagicCommentFormat
• Style/MapCompactWithConditionalBlock
• Style/MapToHash
• Style/MapToSet
• Style/MethodCallWithArgsParentheses
• Style/MethodCallWithoutArgsParentheses
• Style/MethodCalledOnDoEndBlock
• Style/MethodDefParentheses
• Style/MinMax
• Style/MinMaxComparison
• Style/MissingElse
• Style/MissingRespondToMissing
• Style/MixinGrouping
• Style/MixinUsage
• Style/ModuleFunction
• Style/MultilineBlockChain
• Style/MultilineIfModifier
• Style/MultilineIfThen
• Style/MultilineInPatternThen
• Style/MultilineMemoization
• Style/MultilineMethodSignature
• Style/MultilineTernaryOperator
• Style/MultilineWhenThen
• Style/MultipleComparison
• Style/MutableConstant
• Style/NegatedIf
• Style/NegatedIfElseCondition
• Style/NegatedUnless
• Style/NegatedWhile
• Style/NestedFileDirname
• Style/NestedModifier
• Style/NestedParenthesizedCalls
• Style/NestedTernaryOperator
• Style/Next
• Style/NilComparison
• Style/NilLambda
• Style/NonNilCheck
• Style/Not
• Style/NumberedParameters
• Style/NumberedParametersLimit
• Style/NumericLiteralPrefix
• Style/NumericLiterals
• Style/NumericPredicate
• Style/ObjectThen
• Style/OneLineConditional
• Style/OpenStructUse
• Style/OperatorMethodCall
• Style/OptionHash
• Style/OptionalArguments
• Style/OptionalBooleanParameter
• Style/OrAssignment
• Style/ParallelAssignment
• Style/ParenthesesAroundCondition
• Style/PercentLiteralDelimiters
• Style/PercentQLiterals
• Style/PerlBackrefs
• Style/PreferredHashMethods
• Style/Proc
• Style/QuotedSymbols
• Style/RaiseArgs
• Style/RandomWithOffset
• Style/RedundantArgument
• Style/RedundantAssignment
• Style/RedundantBegin
• Style/RedundantCapitalW
• Style/RedundantCondition
• Style/RedundantConditional
• Style/RedundantConstantBase
• Style/RedundantDoubleSplatHashBraces
• Style/RedundantEach
• Style/RedundantException
• Style/RedundantFetchBlock
• Style/RedundantFileExtensionInRequire
• Style/RedundantFreeze
• Style/RedundantHeredocDelimiterQuotes
• Style/RedundantInitialize
• Style/RedundantInterpolation
• Style/RedundantLineContinuation
• Style/RedundantParentheses
• Style/RedundantPercentQ
• Style/RedundantRegexpCharacterClass
• Style/RedundantRegexpEscape
• Style/RedundantReturn
• Style/RedundantSelf
• Style/RedundantSelfAssignment
• Style/RedundantSelfAssignmentBranch
• Style/RedundantSort
• Style/RedundantSortBy
• Style/RedundantStringEscape
• Style/RegexpLiteral
• Style/RequireOrder
• Style/RescueModifier
• Style/RescueStandardError
• Style/ReturnNil
• Style/SafeNavigation
• Style/Sample
• Style/SelectByRegexp
• Style/SelfAssignment
• Style/Semicolon
• Style/Send
• Style/SignalException
• Style/SingleArgumentDig
• Style/SingleLineBlockParams
• Style/SingleLineMethods
• Style/SlicingWithRange
• Style/SoleNestedConditional
• Style/SpecialGlobalVars
• Style/StabbyLambdaParentheses
• Style/StaticClass
• Style/StderrPuts
• Style/StringChars
• Style/StringConcatenation
• Style/StringHashKeys
• Style/StringLiterals
• Style/StringLiteralsInInterpolation
• Style/StringMethods
• Style/Strip
• Style/StructInheritance
• Style/SwapValues
• Style/SymbolArray
• Style/SymbolLiteral
• Style/SymbolProc
• Style/TernaryParentheses
• Style/TopLevelMethodDefinition
• Style/TrailingBodyOnClass
• Style/TrailingBodyOnMethodDefinition
• Style/TrailingBodyOnModule
• Style/TrailingCommaInArguments
• Style/TrailingCommaInArrayLiteral
• Style/TrailingCommaInBlockArgs
• Style/TrailingCommaInHashLiteral
• Style/TrailingMethodEndStatement
• Style/TrailingUnderscoreVariable
• Style/TrivialAccessors
• Style/UnlessElse
• Style/UnlessLogicalOperators
• Style/UnpackFirst
• Style/VariableInterpolation
• Style/WhenThen
• Style/WhileUntilDo
• Style/WhileUntilModifier
• Style/WordArray
• Style/YodaCondition
• Style/YodaExpression
• Style/ZeroLengthPredicate