Improve Rakefile: prepare Rails 4.1 support with Travis CI

.travis.yml

@@ -2,6 +2,7 @@ language: ruby
 rvm:
   - "1.8.7"
   - "1.9.3"
+  - "2.1.0"
   - ree
 services:
   - mysql

Rakefile

@@ -8,11 +8,13 @@ task :default => 'all:spec'
 namespace :travis do
 
   desc 'Run tests on Travis CI'
-  task :run => ['slimgems', 'all:bundle:install', 'all:spec']
+  task :run => [:compatible_rubygems, 'all:bundle:install', 'all:spec']
 
-  desc 'Install slimgems'
-  task :slimgems do
-    system('gem install slimgems')
+  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
 
 end
@@ -29,13 +31,16 @@ namespace :all do
     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")
+          system("cd #{directory} && bundle install --without development")
         end
       end
     end
@@ -56,7 +61,14 @@ end
 def for_each_directory_of(path, &block)
   Dir[path].sort.each do |rakefile|
     directory = File.dirname(rakefile)
-    puts '', "\033[44m#{directory}\033[0m", ''
-    block.call(directory)
+    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