Use bundler for dependencies

.gitignore

@@ -1,3 +1,20 @@
+## PROJECT::GENERAL
+
+# rdoc generated
+rdoc
+
+# yard generated
+doc
+.yardoc
+
+# bundler
+.bundle
+
+# jeweler generated
+pkg
+
+## PROJECT::SPECIFIC
+
 ## MAC OS
 .DS_Store
 
@@ -13,9 +30,5 @@ tmtags
 ## VIM
 *.swp
 
-## PROJECT::GENERAL
-coverage
-rdoc
-pkg
-
-## PROJECT::SPECIFIC
+# For rubinius:
+*.rbc

Gemfile

@@ -0,0 +1,10 @@
+source "http://rubygems.org"
+
+gem 'modalsupport'
+
+group :development do
+  gem "shoulda", ">= 0"
+  gem "rdoc", "~> 3.12"
+  gem "bundler", "~> 1"
+  gem "jeweler", "~> 1.8.3"
+end

Gemfile.lock

@@ -0,0 +1,29 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    git (1.2.5)
+    jeweler (1.8.3)
+      bundler (~> 1.0)
+      git (>= 1.2.5)
+      rake
+      rdoc
+    json (1.6.6)
+    modalsupport (0.8.3)
+    rake (0.9.2.2)
+    rdoc (3.12)
+      json (~> 1.4)
+    shoulda (3.0.1)
+      shoulda-context (~> 1.0.0)
+      shoulda-matchers (~> 1.0.0)
+    shoulda-context (1.0.0)
+    shoulda-matchers (1.0.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler (~> 1)
+  jeweler (~> 1.8.3)
+  modalsupport
+  rdoc (~> 3.12)
+  shoulda

Rakefile

@@ -1,21 +1,27 @@
+# encoding: utf-8
+
 require 'rubygems'
+require 'bundler'
+begin
+  Bundler.setup(:default, :development)
+rescue Bundler::BundlerError => e
+  $stderr.puts e.message
+  $stderr.puts "Run `bundle install` to install missing gems"
+  exit e.status_code
+end
 require 'rake'
 
-begin
-  require 'jeweler'
-  Jeweler::Tasks.new do |gem|
-    gem.name = "units-system"
-    gem.summary = %Q{Arithmetic with units of measure}
-    gem.description = %Q{Experimental unit conversion & arithmetic for Ruby 1.9}
-    gem.email = "jgoizueta@gmail.com"
-    gem.homepage = "http://github.com/jgoizueta/units-system"
-    gem.authors = ["Javier Goizueta"]
-    gem.add_development_dependency "shoulda"
-  end
-  Jeweler::GemcutterTasks.new
-rescue LoadError
-  puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"
+require 'jeweler'
+Jeweler::Tasks.new do |gem|
+  gem.name = "units-system"
+  gem.summary = %Q{Arithmetic with units of measure}
+  gem.description = %Q{Experimental unit conversion & arithmetic for Ruby 1.9}
+  gem.email = "jgoizueta@gmail.com"
+  gem.homepage = "http://github.com/jgoizueta/units-system"
+  gem.authors = ["Javier Goizueta"]
+  # dependencies defined in Gemfile
 end
+Jeweler::RubygemsDotOrgTasks.new
 
 require 'rake/testtask'
 Rake::TestTask.new(:test) do |test|
@@ -24,24 +30,9 @@ Rake::TestTask.new(:test) do |test|
   test.verbose = true
 end
 
-begin
-  require 'rcov/rcovtask'
-  Rcov::RcovTask.new do |test|
-    test.libs << 'test'
-    test.pattern = 'test/**/test_*.rb'
-    test.verbose = true
-  end
-rescue LoadError
-  task :rcov do
-    abort "RCov is not available. In order to run rcov, you must: sudo gem install spicycode-rcov"
-  end
-end
-
-task :test => :check_dependencies
-
 task :default => :test
 
-require 'rake/rdoctask'
+require 'rdoc/task'
 Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""