Add rubocop to gitlab-shell

.rubocop.yml

+Style/AccessModifierIndentation:
+  Description: Check indentation of private/protected visibility modifiers.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-public-private-protected'
+  Enabled: true
+
+Style/AccessorMethodName:
+  Description: Check the naming of accessor methods for get_/set_.
+  Enabled: false
+
+Style/Alias:
+  Description: 'Use alias_method instead of alias.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#alias-method'
+  Enabled: true
+
+Style/AlignArray:
+  Description: >-
+                 Align the elements of an array literal if they span more than
+                 one line.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#align-multiline-arrays'
+  Enabled: true
+
+Style/AlignHash:
+  Description: >-
+                 Align the elements of a hash literal if they span more than
+                 one line.
+  Enabled: true
+
+Style/AlignParameters:
+  Description: >-
+                 Align the parameters of a method call if they span more
+                 than one line.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-double-indent'
+  Enabled: false
+
+Style/AndOr:
+  Description: 'Use &&/|| instead of and/or.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-and-or-or'
+  Enabled: false
+
+Style/ArrayJoin:
+  Description: 'Use Array#join instead of Array#*.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#array-join'
+  Enabled: false
+
+Style/AsciiComments:
+  Description: 'Use only ascii symbols in comments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#english-comments'
+  Enabled: true
+
+Style/AsciiIdentifiers:
+  Description: 'Use only ascii symbols in identifiers.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#english-identifiers'
+  Enabled: true
+
+Style/Attr:
+  Description: 'Checks for uses of Module#attr.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#attr'
+  Enabled: false
+
+Style/BeginBlock:
+  Description: 'Avoid the use of BEGIN blocks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-BEGIN-blocks'
+  Enabled: true
+
+Style/BarePercentLiterals:
+  Description: 'Checks if usage of %() or %Q() matches configuration.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-q-shorthand'
+  Enabled: false
+
+Style/BlockComments:
+  Description: 'Do not use block comments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-block-comments'
+  Enabled: false
+
+Style/BlockEndNewline:
+  Description: 'Put end statement of multiline block on its own line.'
+  Enabled: true
+
+Style/Blocks:
+  Description: >-
+                Avoid using {...} for multi-line blocks (multiline chaining is
+                always ugly).
+                Prefer {...} over do...end for single-line blocks.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
+  Enabled: true
+
+Style/BracesAroundHashParameters:
+  Description: 'Enforce braces style around hash parameters.'
+  Enabled: false
+
+Style/CaseEquality:
+  Description: 'Avoid explicit use of the case equality operator(===).'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-case-equality'
+  Enabled: false
+
+Style/CaseIndentation:
+  Description: 'Indentation of when in a case/when/[else/]end.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-when-to-case'
+  Enabled: true
+
+Style/CharacterLiteral:
+  Description: 'Checks for uses of character literals.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-character-literals'
+  Enabled: true
+
+Style/ClassAndModuleCamelCase:
+  Description: 'Use CamelCase for classes and modules.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#camelcase-classes'
+  Enabled: true
+
+Style/ClassAndModuleChildren:
+  Description: 'Checks style of children classes and modules.'
+  Enabled: false
+
+Style/ClassCheck:
+  Description: 'Enforces consistent use of `Object#is_a?` or `Object#kind_of?`.'
+  Enabled: false
+
+Style/ClassMethods:
+  Description: 'Use self when defining module/class methods.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#def-self-singletons'
+  Enabled: false
+
+Style/ClassVars:
+  Description: 'Avoid the use of class variables.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-class-vars'
+  Enabled: true
+
+Style/ColonMethodCall:
+  Description: 'Do not use :: for method call.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#double-colons'
+  Enabled: false
+
+Style/CommentAnnotation:
+  Description: >-
+                 Checks formatting of special comments
+                 (TODO, FIXME, OPTIMIZE, HACK, REVIEW).
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#annotate-keywords'
+  Enabled: false
+
+Style/CommentIndentation:
+  Description: 'Indentation of comments.'
+  Enabled: true
+
+Style/ConstantName:
+  Description: 'Constants should use SCREAMING_SNAKE_CASE.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#screaming-snake-case'
+  Enabled: true
+
+Style/DefWithParentheses:
+  Description: 'Use def with parentheses when there are arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
+  Enabled: false
+
+Style/DeprecatedHashMethods:
+  Description: 'Checks for use of deprecated Hash methods.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-key'
+  Enabled: false
+
+Style/Documentation:
+  Description: 'Document classes and non-namespace modules.'
+  Enabled: false
+
+Style/DotPosition:
+  Description: 'Checks the position of the dot in multi-line method calls.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#consistent-multi-line-chains'
+  Enabled: false
+
+Style/DoubleNegation:
+  Description: 'Checks for uses of double negation (!!).'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-bang-bang'
+  Enabled: false
+
+Style/EachWithObject:
+  Description: 'Prefer `each_with_object` over `inject` or `reduce`.'
+  Enabled: false
+
+Style/ElseAlignment:
+  Description: 'Align elses and elsifs correctly.'
+  Enabled: true
+
+Style/EmptyElse:
+  Description: 'Avoid empty else-clauses.'
+  Enabled: false
+
+Style/EmptyLineBetweenDefs:
+  Description: 'Use empty lines between defs.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#empty-lines-between-methods'
+  Enabled: false
+
+Style/EmptyLines:
+  Description: "Don't use several empty lines in a row."
+  Enabled: false
+
+Style/EmptyLinesAroundAccessModifier:
+  Description: "Keep blank lines around access modifiers."
+  Enabled: false
+
+Style/EmptyLinesAroundBlockBody:
+  Description: "Keeps track of empty lines around block bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundClassBody:
+  Description: "Keeps track of empty lines around class bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundModuleBody:
+  Description: "Keeps track of empty lines around module bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundMethodBody:
+  Description: "Keeps track of empty lines around method bodies."
+  Enabled: false
+
+Style/EmptyLiteral:
+  Description: 'Prefer literals to Array.new/Hash.new/String.new.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#literal-array-hash'
+  Enabled: false
+
+Style/EndBlock:
+  Description: 'Avoid the use of END blocks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-END-blocks'
+  Enabled: false
+
+Style/EndOfLine:
+  Description: 'Use Unix-style line endings.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#crlf'
+  Enabled: false
+
+Style/EvenOdd:
+  Description: 'Favor the use of Fixnum#even? && Fixnum#odd?'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
+  Enabled: false
+
+Style/FileName:
+  Description: 'Use snake_case for source file names.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-files'
+  Enabled: false
+
+Style/FlipFlop:
+  Description: 'Checks for flip flops'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-flip-flops'
+  Enabled: false
+
+Style/For:
+  Description: 'Checks use of for or each in multiline loops.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-for-loops'
+  Enabled: false
+
+Style/FormatString:
+  Description: 'Enforce the use of Kernel#sprintf, Kernel#format or String#%.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#sprintf'
+  Enabled: false
+
+Style/GlobalVars:
+  Description: 'Do not introduce global variables.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#instance-vars'
+  Enabled: false
+
+Style/GuardClause:
+  Description: 'Check for conditionals that can be replaced with guard clauses'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-conditionals'
+  Enabled: false
+
+Style/HashSyntax:
+  Description: >-
+                 Prefer Ruby 1.9 hash syntax { a: 1, b: 2 } over 1.8 syntax
+                 { :a => 1, :b => 2 }.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-literals'
+  Enabled: true
+
+Style/IfUnlessModifier:
+  Description: >-
+                 Favor modifier if/unless usage when you have a
+                 single-line body.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#if-as-a-modifier'
+  Enabled: false
+
+Style/IfWithSemicolon:
+  Description: 'Do not use if x; .... Use the ternary operator instead.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-semicolon-ifs'
+  Enabled: false
+
+Style/IndentationConsistency:
+  Description: 'Keep indentation straight.'
+  Enabled: true
+
+Style/IndentationWidth:
+  Description: 'Use 2 spaces for indentation.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
+  Enabled: true
+
+Style/IndentArray:
+  Description: >-
+                 Checks the indentation of the first element in an array
+                 literal.
+  Enabled: false
+
+Style/IndentHash:
+  Description: 'Checks the indentation of the first key in a hash literal.'
+  Enabled: false
+
+Style/InfiniteLoop:
+  Description: 'Use Kernel#loop for infinite loops.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#infinite-loop'
+  Enabled: false
+
+Style/Lambda:
+  Description: 'Use the new lambda literal syntax for single-line blocks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#lambda-multi-line'
+  Enabled: false
+
+Style/LambdaCall:
+  Description: 'Use lambda.call(...) instead of lambda.(...).'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#proc-call'
+  Enabled: false
+
+Style/LeadingCommentSpace:
+  Description: 'Comments should start with a space.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-space'
+  Enabled: false
+
+Style/LineEndConcatenation:
+  Description: >-
+                 Use \ instead of + or << to concatenate two string literals at
+                 line end.
+  Enabled: false
+
+Style/MethodCallParentheses:
+  Description: 'Do not use parentheses for method calls with no arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-args-no-parens'
+  Enabled: false
+
+Style/MethodDefParentheses:
+  Description: >-
+                 Checks if the method definitions have or don't have
+                 parentheses.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
+  Enabled: false
+
+Style/MethodName:
+  Description: 'Use the configured style when naming methods.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-symbols-methods-vars'
+  Enabled: false
+
+Style/ModuleFunction:
+  Description: 'Checks for usage of `extend self` in modules.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#module-function'
+  Enabled: false
+
+Style/MultilineBlockChain:
+  Description: 'Avoid multi-line chains of blocks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
+  Enabled: false
+
+Style/MultilineBlockLayout:
+  Description: 'Ensures newlines after multiline block do statements.'
+  Enabled: false
+
+Style/MultilineIfThen:
+  Description: 'Do not use then for multi-line if/unless.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-then'
+  Enabled: false
+
+Style/MultilineOperationIndentation:
+  Description: >-
+                 Checks indentation of binary operations that span more than
+                 one line.
+  Enabled: false
+
+Style/MultilineTernaryOperator:
+  Description: >-
+                 Avoid multi-line ?: (the ternary operator);
+                 use if/unless instead.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-multiline-ternary'
+  Enabled: false
+
+Style/NegatedIf:
+  Description: >-
+                 Favor unless over if for negative conditions
+                 (or control flow or).
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#unless-for-negatives'
+  Enabled: false
+
+Style/NegatedWhile:
+  Description: 'Favor until over while for negative conditions.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#until-for-negatives'
+  Enabled: false
+
+Style/NestedTernaryOperator:
+  Description: 'Use one expression per branch in a ternary operator.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-ternary'
+  Enabled: false
+
+Style/Next:
+  Description: 'Use `next` to skip iteration instead of a condition at the end.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-conditionals'
+  Enabled: false
+
+Style/NilComparison:
+  Description: 'Prefer x.nil? to x == nil.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
+  Enabled: false
+
+Style/NonNilCheck:
+  Description: 'Checks for redundant nil checks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-non-nil-checks'
+  Enabled: false
+
+Style/Not:
+  Description: 'Use ! instead of not.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bang-not-not'
+  Enabled: false
+
+Style/NumericLiterals:
+  Description: >-
+                 Add underscores to large numeric literals to improve their
+                 readability.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscores-in-numerics'
+  Enabled: false
+
+Style/OneLineConditional:
+  Description: >-
+                 Favor the ternary operator(?:) over
+                 if/then/else/end constructs.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#ternary-operator'
+  Enabled: false
+
+Style/OpMethod:
+  Description: 'When defining binary operators, name the argument other.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#other-arg'
+  Enabled: false
+
+Style/ParenthesesAroundCondition:
+  Description: >-
+                 Don't use parentheses around the condition of an
+                 if/unless/while.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-parens-if'
+  Enabled: false
+
+Style/PercentLiteralDelimiters:
+  Description: 'Use `%`-literal delimiters consistently'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-literal-braces'
+  Enabled: false
+
+Style/PercentQLiterals:
+  Description: 'Checks if uses of %Q/%q match the configured preference.'
+  Enabled: false
+
+Style/PerlBackrefs:
+  Description: 'Avoid Perl-style regex back references.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers'
+  Enabled: false
+
+Style/PredicateName:
+  Description: 'Check the names of predicate methods.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bool-methods-qmark'
+  Enabled: false
+
+Style/Proc:
+  Description: 'Use proc instead of Proc.new.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#proc'
+  Enabled: false
+
+Style/RaiseArgs:
+  Description: 'Checks the arguments passed to raise/fail.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#exception-class-messages'
+  Enabled: false
+
+Style/RedundantBegin:
+  Description: "Don't use begin blocks when they are not needed."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#begin-implicit'
+  Enabled: false
+
+Style/RedundantException:
+  Description: "Checks for an obsolete RuntimeException argument in raise/fail."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-explicit-runtimeerror'
+  Enabled: false
+
+Style/RedundantReturn:
+  Description: "Don't use return where it's not required."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-explicit-return'
+  Enabled: false
+
+Style/RedundantSelf:
+  Description: "Don't use self where it's not needed."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-self-unless-required'
+  Enabled: false
+
+Style/RegexpLiteral:
+  Description: >-
+                 Use %r for regular expressions matching more than
+                 `MaxSlashes` '/' characters.
+                 Use %r only for regular expressions matching more than
+                 `MaxSlashes` '/' character.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-r'
+  Enabled: false
+
+Style/RescueModifier:
+  Description: 'Avoid using rescue in its modifier form.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-rescue-modifiers'
+  Enabled: false
+
+Style/SelfAssignment:
+  Description: >-
+                 Checks for places where self-assignment shorthand should have
+                 been used.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#self-assignment'
+  Enabled: false
+
+Style/Semicolon:
+  Description: "Don't use semicolons to terminate expressions."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-semicolon'
+  Enabled: false
+
+Style/SignalException:
+  Description: 'Checks for proper usage of fail and raise.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#fail-method'
+  Enabled: false
+
+Style/SingleLineBlockParams:
+  Description: 'Enforces the names of some block params.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#reduce-blocks'
+  Enabled: false
+
+Style/SingleLineMethods:
+  Description: 'Avoid single-line methods.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-single-line-methods'
+  Enabled: false
+
+Style/SingleSpaceBeforeFirstArg:
+  Description: >-
+                 Checks that exactly one space is used between a method name
+                 and the first argument for method calls without parentheses.
+  Enabled: false
+
+Style/SpaceAfterColon:
+  Description: 'Use spaces after colons.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
+  Enabled: false
+
+Style/SpaceAfterComma:
+  Description: 'Use spaces after commas.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
+  Enabled: false
+
+Style/SpaceAfterControlKeyword:
+  Description: 'Use spaces after if/elsif/unless/while/until/case/when.'
+  Enabled: false
+
+Style/SpaceAfterMethodName:
+  Description: >-
+                 Do not put a space between a method name and the opening
+                 parenthesis in a method definition.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-no-spaces'
+  Enabled: false
+
+Style/SpaceAfterNot:
+  Description: Tracks redundant space after the ! operator.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-space-bang'
+  Enabled: false
+
+Style/SpaceAfterSemicolon:
+  Description: 'Use spaces after semicolons.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
+  Enabled: false
+
+Style/SpaceBeforeBlockBraces:
+  Description: >-
+                 Checks that the left block brace has or doesn't have space
+                 before it.
+  Enabled: false
+
+Style/SpaceBeforeComma:
+  Description: 'No spaces before commas.'
+  Enabled: false
+
+Style/SpaceBeforeComment:
+  Description: >-
+                 Checks for missing space between code and a comment on the
+                 same line.
+  Enabled: false
+
+Style/SpaceBeforeSemicolon:
+  Description: 'No spaces before semicolons.'
+  Enabled: false
+
+Style/SpaceInsideBlockBraces:
+  Description: >-
+                 Checks that block braces have or don't have surrounding space.
+                 For blocks taking parameters, checks that the left brace has
+                 or doesn't have trailing space.
+  Enabled: false
+
+Style/SpaceAroundEqualsInParameterDefault:
+  Description: >-
+                 Checks that the equals signs in parameter default assignments
+                 have or don't have surrounding space depending on
+                 configuration.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-around-equals'
+  Enabled: false
+
+Style/SpaceAroundOperators:
+  Description: 'Use spaces around operators.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
+  Enabled: false
+
+Style/SpaceBeforeModifierKeyword:
+  Description: 'Put a space before the modifier keyword.'
+  Enabled: false
+
+Style/SpaceInsideBrackets:
+  Description: 'No spaces after [ or before ].'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
+  Enabled: false
+
+Style/SpaceInsideHashLiteralBraces:
+  Description: "Use spaces inside hash literal braces - or don't."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
+  Enabled: true
+
+Style/SpaceInsideParens:
+  Description: 'No spaces after ( or before ).'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
+  Enabled: false
+
+Style/SpaceInsideRangeLiteral:
+  Description: 'No spaces inside range literals.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-space-inside-range-literals'
+  Enabled: false
+
+Style/SpecialGlobalVars:
+  Description: 'Avoid Perl-style global variables.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-cryptic-perlisms'
+  Enabled: false
+
+Style/StringLiterals:
+  Description: 'Checks if uses of quotes match the configured preference.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#consistent-string-literals'
+  Enabled: false
+
+Style/StringLiteralsInInterpolation:
+  Description: >-
+                 Checks if uses of quotes inside expressions in interpolated
+                 strings match the configured preference.
+  Enabled: false
+
+Style/SymbolProc:
+  Description: 'Use symbols as procs instead of blocks when possible.'
+  Enabled: false
+
+Style/Tab:
+  Description: 'No hard tabs.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
+  Enabled: false
+
+Style/TrailingBlankLines:
+  Description: 'Checks trailing blank lines and final newline.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#newline-eof'
+  Enabled: true
+
+Style/TrailingComma:
+  Description: 'Checks for trailing comma in parameter lists and literals.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
+  Enabled: false
+
+Style/TrailingWhitespace:
+  Description: 'Avoid trailing whitespace.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-whitespace'
+  Enabled: false
+
+Style/TrivialAccessors:
+  Description: 'Prefer attr_* methods to trivial readers/writers.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#attr_family'
+  Enabled: false
+
+Style/UnlessElse:
+  Description: >-
+                 Do not use unless with else. Rewrite these with the positive
+                 case first.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-else-with-unless'
+  Enabled: false
+
+Style/UnneededCapitalW:
+  Description: 'Checks for %W when interpolation is not needed.'
+  Enabled: false
+
+Style/UnneededPercentQ:
+  Description: 'Checks for %q/%Q when single quotes or double quotes would do.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-q'
+  Enabled: false
+
+Style/UnneededPercentX:
+  Description: 'Checks for %x when `` would do.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-x'
+  Enabled: false
+
+Style/VariableInterpolation:
+  Description: >-
+                 Don't interpolate global, instance and class variables
+                 directly in strings.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#curlies-interpolate'
+  Enabled: false
+
+Style/VariableName:
+  Description: 'Use the configured style when naming variables.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-symbols-methods-vars'
+  Enabled: false
+
+Style/WhenThen:
+  Description: 'Use when x then ... for one-line cases.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#one-line-cases'
+  Enabled: false
+
+Style/WhileUntilDo:
+  Description: 'Checks for redundant do after while or until.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-multiline-while-do'
+  Enabled: false
+
+Style/WhileUntilModifier:
+  Description: >-
+                 Favor modifier while/until usage when you have a
+                 single-line body.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#while-as-a-modifier'
+  Enabled: false
+
+Style/WordArray:
+  Description: 'Use %w or %W for arrays of words.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-w'
+  Enabled: false
+
+#################### Metrics ################################
+
+Metrics/AbcSize:
+  Description: >-
+                 A calculated magnitude based on number of assignments,
+                 branches, and conditions.
+  Enabled: false
+
+Metrics/BlockNesting:
+  Description: 'Avoid excessive block nesting'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#three-is-the-number-thou-shalt-count'
+  Enabled: false
+
+Metrics/ClassLength:
+  Description: 'Avoid classes longer than 100 lines of code.'
+  Enabled: false
+
+Metrics/CyclomaticComplexity:
+  Description: >-
+                 A complexity metric that is strongly correlated to the number
+                 of test cases needed to validate a method.
+  Enabled: false
+
+Metrics/LineLength:
+  Description: 'Limit lines to 80 characters.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#80-character-limits'
+  Enabled: false
+
+Metrics/MethodLength:
+  Description: 'Avoid methods longer than 10 lines of code.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#short-methods'
+  Enabled: false
+
+Metrics/ParameterLists:
+  Description: 'Avoid parameter lists longer than three or four parameters.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#too-many-params'
+  Enabled: false
+
+Metrics/PerceivedComplexity:
+  Description: >-
+                 A complexity metric geared towards measuring complexity for a
+                 human reader.
+  Enabled: false
+
+#################### Lint ################################
+### Warnings
+
+Lint/AmbiguousOperator:
+  Description: >-
+                 Checks for ambiguous operators in the first argument of a
+                 method invocation without parentheses.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-as-args'
+  Enabled: false
+
+Lint/AmbiguousRegexpLiteral:
+  Description: >-
+                 Checks for ambiguous regexp literals in the first argument of
+                 a method invocation without parenthesis.
+  Enabled: false
+
+Lint/AssignmentInCondition:
+  Description: "Don't use assignment in conditions."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#safe-assignment-in-condition'
+  Enabled: false
+
+Lint/BlockAlignment:
+  Description: 'Align block ends correctly.'
+  Enabled: false
+
+Lint/ConditionPosition:
+  Description: >-
+                 Checks for condition placed in a confusing position relative to
+                 the keyword.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#same-line-condition'
+  Enabled: false
+
+Lint/Debugger:
+  Description: 'Check for debugger calls.'
+  Enabled: false
+
+Lint/DefEndAlignment:
+  Description: 'Align ends corresponding to defs correctly.'
+  Enabled: false
+
+Lint/DeprecatedClassMethods:
+  Description: 'Check for deprecated class method calls.'
+  Enabled: false
+
+Lint/ElseLayout:
+  Description: 'Check for odd code arrangement in an else block.'
+  Enabled: false
+
+Lint/EmptyEnsure:
+  Description: 'Checks for empty ensure block.'
+  Enabled: false
+
+Lint/EmptyInterpolation:
+  Description: 'Checks for empty string interpolation.'
+  Enabled: false
+
+Lint/EndAlignment:
+  Description: 'Align ends correctly.'
+  Enabled: false
+
+Lint/EndInMethod:
+  Description: 'END blocks should not be placed inside method definitions.'
+  Enabled: false
+
+Lint/EnsureReturn:
+  Description: 'Do not use return in an ensure block.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-return-ensure'
+  Enabled: false
+
+Lint/Eval:
+  Description: 'The use of eval represents a serious security risk.'
+  Enabled: false
+
+Lint/HandleExceptions:
+  Description: "Don't suppress exception."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#dont-hide-exceptions'
+  Enabled: false
+
+Lint/InvalidCharacterLiteral:
+  Description: >-
+                 Checks for invalid character literals with a non-escaped
+                 whitespace character.
+  Enabled: false
+
+Lint/LiteralInCondition:
+  Description: 'Checks of literals used in conditions.'
+  Enabled: false
+
+Lint/LiteralInInterpolation:
+  Description: 'Checks for literals used in interpolation.'
+  Enabled: false
+
+Lint/Loop:
+  Description: >-
+                 Use Kernel#loop with break rather than begin/end/until or
+                 begin/end/while for post-loop tests.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#loop-with-break'
+  Enabled: false
+
+Lint/ParenthesesAsGroupedExpression:
+  Description: >-
+                 Checks for method calls with a space before the opening
+                 parenthesis.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-no-spaces'
+  Enabled: false
+
+Lint/RequireParentheses:
+  Description: >-
+                 Use parentheses in the method call to avoid confusion
+                 about precedence.
+  Enabled: false
+
+Lint/RescueException:
+  Description: 'Avoid rescuing the Exception class.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-blind-rescues'
+  Enabled: false
+
+Lint/ShadowingOuterLocalVariable:
+  Description: >-
+                 Do not use the same name as outer local variable
+                 for block arguments or block local variables.
+  Enabled: false
+
+Lint/SpaceBeforeFirstArg:
+  Description: >-
+                 Put a space between a method name and the first argument
+                 in a method call without parentheses.
+  Enabled: false
+
+Lint/StringConversionInInterpolation:
+  Description: 'Checks for Object#to_s usage in string interpolation.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-to-s'
+  Enabled: false
+
+Lint/UnderscorePrefixedVariableName:
+  Description: 'Do not use prefix `_` for a variable that is used.'
+  Enabled: true
+
+Lint/UnusedBlockArgument:
+  Description: 'Checks for unused block arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
+  Enabled: false
+
+Lint/UnusedMethodArgument:
+  Description: 'Checks for unused method arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
+  Enabled: false
+
+Lint/UnreachableCode:
+  Description: 'Unreachable code.'
+  Enabled: false
+
+Lint/UselessAccessModifier:
+  Description: 'Checks for useless access modifiers.'
+  Enabled: false
+
+Lint/UselessAssignment:
+  Description: 'Checks for useless assignment to a local variable.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
+  Enabled: false
+
+Lint/UselessComparison:
+  Description: 'Checks for comparison of something with itself.'
+  Enabled: false
+
+Lint/UselessElseWithoutRescue:
+  Description: 'Checks for useless `else` in `begin..end` without `rescue`.'
+  Enabled: false
+
+Lint/UselessSetterCall:
+  Description: 'Checks for useless setter call to a local variable.'
+  Enabled: false
+
+Lint/Void:
+  Description: 'Possible use of operator/literal/variable in void context.'
+  Enabled: false
+
+
+# Exclude some of GitLab files
+#
+#
+AllCops:
+  Exclude:
+    - 'spec/**/*'
+    - 'features/**/*'
+    - 'vendor/**/*'
+    - 'db/**/*'
+    - 'tmp/**/*'
+    - 'bin/**/*'
+    - 'lib/backup/**/*'
+    - 'lib/tasks/**/*'
+    - 'lib/email_validator.rb'
+    - 'lib/gitlab/upgrader.rb'
+    - 'lib/gitlab/seeder.rb'

Gemfile

@@ -7,4 +7,5 @@ group :development, :test do
   gem 'guard'
   gem 'guard-rspec'
   gem 'vcr'
+  gem 'rubocop', '0.28.0', require: false
 end

Gemfile.lock

@@ -2,6 +2,9 @@ GEM
   remote: http://rubygems.org/
   specs:
     addressable (2.3.2)
+    ast (2.0.0)
+    astrolabe (1.3.0)
+      parser (>= 2.2.0.pre.3, < 3.0)
     coderay (1.0.8)
     coveralls (0.7.1)
       multi_json (~> 1.3)
@@ -26,10 +29,14 @@ GEM
     mime-types (2.3)
     multi_json (1.10.1)
     netrc (0.7.7)
+    parser (2.2.0.2)
+      ast (>= 1.1, < 3.0)
+    powerpack (0.0.9)
     pry (0.9.10)
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.3.1)
+    rainbow (2.0.0)
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
@@ -41,6 +48,13 @@ GEM
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.2)
+    rubocop (0.28.0)
+      astrolabe (~> 1.3)
+      parser (>= 2.2.0.pre.7, < 3.0)
+      powerpack (~> 0.0.6)
+      rainbow (>= 1.99.1, < 3.0)
+      ruby-progressbar (~> 1.4)
+    ruby-progressbar (1.7.1)
     simplecov (0.9.1)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -64,5 +78,6 @@ DEPENDENCIES
   guard
   guard-rspec
   rspec
+  rubocop (= 0.28.0)
   vcr
   webmock