Use relaxed Rubocop styleguide as basis

We then refine it with our own rules.

.rubocop.yml

@@ -10,6 +10,9 @@ inherit_from:
   # The automatically generated todo list to ignore all current violations.
   - .rubocop_todo.yml
 
+  # The relaxed style rules as a common starting point which we can refine.
+  - .rubocop_relaxed_styleguide.yml
+
   # Our Open Food Network style guide. If you want to see all violations,
   # then use only that configuration:
   #

.rubocop_relaxed_styleguide.yml

@@ -0,0 +1,153 @@
+# Relaxed.Ruby.Style
+## Version 2.5
+
+Style/Alias:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylealias
+
+Style/AsciiComments:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleasciicomments
+
+Style/BeginBlock:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylebeginblock
+
+Style/BlockDelimiters:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleblockdelimiters
+
+Style/CommentAnnotation:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylecommentannotation
+
+Style/Documentation:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styledocumentation
+
+Layout/DotPosition:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#layoutdotposition
+
+Style/DoubleNegation:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styledoublenegation
+
+Style/EndBlock:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleendblock
+
+Style/FormatString:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleformatstring
+
+Style/IfUnlessModifier:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleifunlessmodifier
+
+Style/Lambda:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylelambda
+
+Style/ModuleFunction:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylemodulefunction
+
+Style/MultilineBlockChain:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylemultilineblockchain
+
+Style/NegatedIf:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylenegatedif
+
+Style/NegatedWhile:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylenegatedwhile
+
+Style/NumericPredicate:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylenumericpredicate
+
+Style/ParallelAssignment:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleparallelassignment
+
+Style/PercentLiteralDelimiters:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylepercentliteraldelimiters
+
+Style/PerlBackrefs:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styleperlbackrefs
+
+Style/Semicolon:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylesemicolon
+
+Style/SignalException:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylesignalexception
+
+Style/SingleLineBlockParams:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylesinglelineblockparams
+
+Style/SingleLineMethods:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylesinglelinemethods
+
+Layout/SpaceBeforeBlockBraces:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#layoutspacebeforeblockbraces
+
+Layout/SpaceInsideParens:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#layoutspaceinsideparens
+
+Style/SpecialGlobalVars:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylespecialglobalvars
+
+Style/StringLiterals:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylestringliterals
+
+Style/TrailingCommaInArguments:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styletrailingcommainarguments
+
+Style/TrailingCommaInArrayLiteral:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styletrailingcommainarrayliteral
+
+Style/TrailingCommaInHashLiteral:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#styletrailingcommainhashliteral
+
+Style/SymbolArray:
+  Enabled: false
+  StyleGuide: http://relaxed.ruby.style/#stylesymbolarray
+
+Style/WhileUntilModifier:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylewhileuntilmodifier
+
+Style/WordArray:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#stylewordarray
+
+Lint/AmbiguousRegexpLiteral:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#lintambiguousregexpliteral
+
+Lint/AssignmentInCondition:
+  Enabled: false
+  StyleGuide: https://relaxed.ruby.style/#lintassignmentincondition
+
+Layout/LineLength:
+  Enabled: false
+
+Metrics:
+  Enabled: false
+

.rubocop_styleguide.yml

@@ -46,6 +46,7 @@ Layout/MultilineMethodCallIndentation:
   EnforcedStyle: indented
 
 Layout/LineLength:
+  Enabled: true
   Max: 100
 
 Lint/RaiseException:
@@ -187,9 +188,11 @@ Lint/AssignmentInCondition:
   StyleGuide: http://relaxed.ruby.style/#lintassignmentincondition
 
 Metrics/AbcSize:
+  Enabled: true
   Max: 15
 
 Metrics/BlockLength:
+  Enabled: true
   Max: 25
   IgnoredMethods: [
     "class_eval",
@@ -207,24 +210,31 @@ Metrics/BlockLength:
   ]
 
 Metrics/BlockNesting:
+  Enabled: true
   Max: 3
 
 Metrics/ClassLength:
+  Enabled: true
   Max: 100
 
 Metrics/ModuleLength:
+  Enabled: true
   Max: 100
 
 Metrics/CyclomaticComplexity:
+  Enabled: true
   Max: 6
 
 Metrics/MethodLength:
+  Enabled: true
   Max: 10
 
 Metrics/ParameterLists:
+  Enabled: true
   Max: 5
 
 Metrics/PerceivedComplexity:
+  Enabled: true
   Max: 7
 
 Naming/PredicateName: