Update coding style to match our own official coding guidelines

examples/temp_sensor/rakefile.rb

@@ -1,4 +1,4 @@
-HERE = File.expand_path(File.dirname(__FILE__)) + '/'
+HERE = __dir__ + '/'
 
 require 'rake'
 require 'rake/clean'
@@ -7,36 +7,36 @@ require './rakefile_helper'
 
 include RakefileHelpers
 
-REQUIRED_DIRS = [ './build', './build/mocks' ]
+REQUIRED_DIRS = ['./build', './build/mocks'].freeze
 REQUIRED_DIRS.each do |v|
   directory v
 end
 
 # Load default configuration, for now
-DEFAULT_CONFIG_FILE = 'gcc.yml'
+DEFAULT_CONFIG_FILE = 'gcc.yml'.freeze
 configure_toolchain(DEFAULT_CONFIG_FILE)
 
 task :unit do
   run_tests(get_unit_test_files)
 end
 
-desc "Generate test summary"
+desc 'Generate test summary'
 task :summary do
   report_summary
 end
 
-desc "Build and test Unity"
-task :all => [:clean, :unit, :summary]
-task :default => REQUIRED_DIRS + [:clobber, :all]
+desc 'Build and test Unity'
+task :all => %i[clean unit summary]
+task :default => REQUIRED_DIRS + %i[clobber all]
 task :ci => [:default]
 task :cruise => [:default]
 
-desc "Load configuration"
-task :config, :config_file do |t, args|
+desc 'Load configuration'
+task :config, :config_file do |_t, args|
   configure_toolchain(args[:config_file])
 end
 
-desc "Return error on Failures"
+desc 'Return error on Failures'
 task :strict do
   $return_error_on_failures = true
 end