ci: Trick GitHub Actions into displaying RSpec colors (#37)

Signed-off-by: Josh Nichols <[email protected]>

Rakefile

@@ -7,6 +7,9 @@ RSpec::Core::RakeTask.new(:spec)
 
 require "rubocop/rake_task"
 
-RuboCop::RakeTask.new
+RuboCop::RakeTask.new do |task|
+  task.options = ["--parallel"]
+  task.options << "--color" if ENV["CI"] == "true"
+end
 
 task default: %i[spec rubocop]

spec/spec_helper.rb

@@ -12,4 +12,11 @@
   config.expect_with :rspec do |c|
     c.syntax = :expect
   end
+
+  # ie for GitHub Actions
+  # see https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables
+  if ENV["CI"] == "true"
+    # force tty to get output, which Actions does support
+    config.tty = true
+  end
 end