Appease rubocop

Author: ianfixes

Diff for: .rubocop.yml

@@ -31,6 +31,12 @@ Layout/ExtraSpacing:
 Layout/EndOfLine:
   EnforcedStyle: lf
 
+Layout/EndAlignment:
+  EnforcedStyleAlignWith: start_of_line
+
+Layout/CaseIndentation:
+  EnforcedStyle: end
+
 Metrics/LineLength:
   Description: Limit lines to 80 characters.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#80-character-limits

Diff for: lib/arduino_ci/arduino_installation.rb

@@ -110,11 +110,11 @@ def autolocate!(output = $stdout)
       # Forcibly install Arduino from the web
       # @return [bool] Whether the command succeeded
       def force_install(output = $stdout, version = DESIRED_ARDUINO_IDE_VERSION)
-        worker_class =  case Host.os
-                        when :osx then ArduinoDownloaderOSX
-                        when :windows then ArduinoDownloaderWindows
-                        when :linux then ArduinoDownloaderLinux
-                        end
+        worker_class = case Host.os
+        when :osx then ArduinoDownloaderOSX
+        when :windows then ArduinoDownloaderWindows
+        when :linux then ArduinoDownloaderLinux
+        end
         worker = worker_class.new(version, output)
         worker.execute
       end

Diff for: lib/arduino_ci/cpp_library.rb

@@ -170,7 +170,6 @@ def code_files_in(some_dir, extensions)
       raise ArgumentError, 'some_dir is not a Pathname' unless some_dir.is_a? Pathname
       return [] unless some_dir.exist? && some_dir.directory?
 
-      real = some_dir.realpath
       files = some_dir.realpath.children.reject(&:directory?)
       cpp = files.select { |path| extensions.include?(path.extname.downcase) }
       not_hidden = cpp.reject { |path| path.basename.to_s.start_with?(".") }