Rakefile in in_threads-0.0.1 vs Rakefile in in_threads-0.0.2

@@ -1,20 +1,28 @@
-require 'rubygems'
-require 'rake'
-require 'rake/clean'
-require 'fileutils'
-require 'echoe'
+begin
+  require 'jeweler'
 
-version = YAML.load_file(File.join(File.dirname(__FILE__), 'VERSION.yml')).join('.') rescue nil
+  name = 'in_threads'
+  summary = 'Execute ruby blocks in parallel'
 
-echoe = Echoe.new('in_threads', version) do |p|
-  p.author = 'toy'
-  p.summary = 'Execute ruby code in parallel.'
-  p.project = 'toytoy'
-end
+  jewel = Jeweler::Tasks.new do |j|
+    j.name = name
+    j.summary = summary
+    j.homepage = "http://github.com/toy/#{name}"
+    j.authors = ["Boba Fat"]
+  end
 
-desc "Replace system gem with symlink to this folder"
-task :ghost do
-  path = Gem.searcher.find(echoe.name).full_gem_path
-  system 'sudo', 'rm', '-r', path
-  symlink File.expand_path('.'), path
+  Jeweler::GemcutterTasks.new
+
+  require 'pathname'
+  desc "Replace system gem with symlink to this folder"
+  task 'ghost' do
+    gem_path = Pathname(Gem.searcher.find(name).full_gem_path)
+    current_path = Pathname('.').expand_path
+    cmd = gem_path.writable? && gem_path.parent.writable? ? %w() : %w(sudo)
+    system(*cmd + %W[rm -r #{gem_path}])
+    system(*cmd + %W[ln -s #{current_path} #{gem_path}])
+  end
+
+rescue LoadError
+  puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"
 end