restore <=2.2 linting support

README.md

@@ -288,7 +288,7 @@ of Ruby (by inspecting `RUBY_VERSION` at runtime. But if you want to lock it
 down, you can specify `ruby_version` in `.standard.yml`.
 
 ```
-ruby_version: 2.3.0
+ruby_version: 1.8.7
 ```
 
 See

config/base.yml

@@ -633,6 +633,63 @@ Performance/UnfreezeString:
 Performance/UriDefaultParser:
   Enabled: true
 
+Performance/Caller:
+  Enabled: true
+
+Performance/CompareWithBlock:
+  Enabled: true
+
+Performance/Count:
+  Enabled: true
+
+Performance/Detect:
+  Enabled: true
+
+Performance/DoubleStartEndWith:
+  Enabled: true
+
+Performance/EndWith:
+  Enabled: true
+
+Performance/FixedSize:
+  Enabled: true
+
+Performance/FlatMap:
+  Enabled: true
+
+Performance/InefficientHashSearch:
+  Enabled: true
+
+Performance/RangeInclude:
+  Enabled: true
+
+Performance/RedundantMatch:
+  Enabled: true
+
+Performance/RedundantMerge:
+  Enabled: true
+
+Performance/RegexpMatch:
+  Enabled: true
+
+Performance/ReverseEach:
+  Enabled: true
+
+Performance/Size:
+  Enabled: true
+
+Performance/StartWith:
+  Enabled: true
+
+Performance/StringReplacement:
+  Enabled: true
+
+Performance/UnfreezeString:
+  Enabled: true
+
+Performance/UriDefaultParser:
+  Enabled: true
+
 Rails/ActionFilter:
   Enabled: true
   EnforcedStyle: action

config/ruby-1.8.yml

@@ -0,0 +1,8 @@
+inherit_from: ./ruby-1.9.yml
+
+Style/Lambda:
+  Enabled: false
+
+Style/HashSyntax:
+  EnforcedStyle: hash_rockets
+

config/ruby-1.9.yml

@@ -0,0 +1,4 @@
+inherit_from: ./ruby-2.2.yml
+
+Style/Encoding:
+  Enabled: false

config/ruby-2.2.yml

@@ -0,0 +1,8 @@
+inherit_from: ./base.yml
+
+AllCops:
+  TargetRubyVersion: 2.3 # The oldest supported
+
+Layout:
+  IndentHeredoc:
+    Enabled: false

lib/standard/creates_config_store/assigns_rubocop_yaml.rb

@@ -10,8 +10,12 @@ def call(config_store, standard_config)
     private
 
     def rubocop_yaml_path(desired_version)
-      file_name = if desired_version < Gem::Version.new("2.4")
-        "ruby-2.3.yml"
+      file_name = if desired_version < Gem::Version.new("1.9")
+        "ruby-1.8.yml"
+      elsif desired_version < Gem::Version.new("2.0")
+        "ruby-1.9.yml"
+      elsif desired_version < Gem::Version.new("2.3")
+        "ruby-2.2.yml"
       else
         "base.yml"
       end

test/standard/builds_config_test.rb

@@ -49,7 +49,7 @@ def test_decked_out_standard_yaml
     ), result.rubocop_options
 
     expected_config = RuboCop::ConfigStore.new.tap do |config_store|
-      config_store.options_config = path("config/ruby-2.3.yml")
+      config_store.options_config = path("config/ruby-1.8.yml")
       options_config = config_store.instance_variable_get("@options_config")
       options_config["AllCops"]["Exclude"] |= [path("test/fixture/config/y/monkey/**/*")]
       options_config["Fake/Lol"] = {"Exclude" => [path("test/fixture/config/y/neat/cool.rb")]}
@@ -67,6 +67,14 @@ def test_single_line_ignore
     }, result.rubocop_config_store.for("").to_h
   end
 
+  def test_19
+    result = @subject.call([], path("test/fixture/config/w"))
+
+    assert_equal DEFAULT_OPTIONS, result.rubocop_options
+
+    assert_equal config_store("test/fixture/config/w", "config/ruby-1.9.yml", 2.3), result.rubocop_config_store.for("").to_h
+  end
+
   def test_specified_standard_yaml_overrides_local
     result = @subject.call(["--config", "test/fixture/lol.standard.yml"], path("test/fixture/config/z"))