Handles excluding the tailor task on ruby 1.8.7

Rakefile

@@ -2,13 +2,35 @@ require 'bundler/gem_tasks'
 require 'rake/testtask'
 require 'rdoc/task'
 require 'rspec/core/rake_task'
-require 'tailor/rake_task'
 
 # Assign some test keys if they aren't already set.
 ENV["DATADOG_API_KEY"] ||= '9775a026f1ca7d1c6c5af9d94d9595a4'
 ENV["DATADOG_APP_KEY"] ||= '87ce4a24b5553d2e482ea8a8500e71b8ad4554ff'
 
-task :default => [:tailor, :spec, :test]
+default_tests = [:spec, :test]
+
+case RbConfig::CONFIG['ruby_version']
+when '1.8'
+  # do nothing
+else
+  # Since Tailor uses methods that don't exist in Ruby 1.8.7
+  require 'tailor/rake_task'
+  default_tests.unshift(:tailor)
+
+  Tailor::RakeTask.new do |task|
+    task.file_set 'lib/**/*.rb', :code do |style|
+      style.max_line_length 160, :level => :warn
+      style.max_code_lines_in_method 40, :level => :warn
+    end
+    task.file_set 'spec/**/*.rb', :tests do |style|
+      style.max_line_length 160, :level => :warn
+      style.max_code_lines_in_method 40, :level => :warn
+    end
+  end
+
+end
+
+task :default => default_tests
 
 Rake::TestTask.new(:test) do |test|
   test.libs.push 'lib'
@@ -25,18 +47,7 @@ RDoc::Task.new do |rd|
   rd.title = 'DogAPI -- DataDog Client'
 end
 
-Tailor::RakeTask.new do |task|
-  task.file_set 'lib/**/*.rb', :code do |style|
-    style.max_line_length 160, level: :warn
-    style.max_code_lines_in_method 40, level: :warn
-  end
-  task.file_set 'spec/**/*.rb', :tests do |style|
-    style.max_line_length 160, level: :warn
-    style.max_code_lines_in_method 40, level: :warn
-  end
-end
-
-RSpec::Core::RakeTask.new
+RSpec::Core::RakeTask.new(:spec)
 
 desc "Find notes in code"
 task :notes do