Rakefile in assignable_values-0.11.3 vs Rakefile in assignable_values-0.12.0

@@ -1,74 +1,10 @@
 require 'rake'
 require 'bundler/gem_tasks'
 
-desc 'Default: Run all specs.'
-task :default => 'all:spec'
-
-
-namespace :travis do
-  
-  desc 'Run tests on Travis CI'
-  task :run => [:compatible_rubygems, 'all:bundle:install', 'all:spec']
-
-  desc 'Ensure compatible Rubygems version for Ruby 1.8'
-  task :compatible_rubygems do
-    if RUBY_VERSION == '1.8.7'
-      system "rvm rubygems latest-1.8 --force"
-    end
-  end
-
+begin
+  require 'gemika/tasks'
+rescue LoadError
+  puts 'Run `gem install gemika` for additional tasks'
 end
 
-namespace :all do
-
-  desc "Run specs on all spec apps"
-  task :spec do
-    success = true
-    for_each_directory_of('spec/**/Rakefile') do |directory|
-      env = "SPEC=../../#{ENV['SPEC']} " if ENV['SPEC']
-      success &= system("cd #{directory} && #{env} bundle exec rake spec")
-    end
-    fail "Tests failed" unless success
-  end
-
-
-  task :bundle => 'bundle:install'
-
-  namespace :bundle do
-
-    desc "Bundle all spec apps"
-    task :install do
-      for_each_directory_of('spec/**/Gemfile') do |directory|
-        Bundler.with_clean_env do
-          system("cd #{directory} && bundle install --without development")
-        end
-      end
-    end
-
-    desc "Update all gems, or a list of gem given by the GEM environment variable"
-    task :update do
-      for_each_directory_of('spec/**/Gemfile') do |directory|
-        Bundler.with_clean_env do
-          system("cd #{directory} && bundle update #{ENV['GEM']}")
-        end
-      end
-    end
-
-  end
-
-end
-
-def for_each_directory_of(path, &block)
-  Dir[path].sort.each do |rakefile|
-    directory = File.dirname(rakefile)
-    puts '', "\033[4;34m# #{directory}\033[0m" # blue underline
-
-    if directory.include?('rails-2.3') and RUBY_VERSION != '1.8.7'
-      puts 'Skipping - Rails 2.3 requires Ruby 1.8.7'
-    elsif directory.include?('rails-4.1') and RUBY_VERSION == '1.8.7'
-      puts 'Skipping - Rails 4.1 does not support Ruby 1.8'
-    else
-      block.call(directory)
-    end
-  end
-end
+task :default => 'matrix:spec'