Add support to build/re-build/clobber gem/package/docs

Rakefile

@@ -1,4 +1,6 @@
 require 'rubygems'
+require 'rake/gempackagetask'
+require 'rake/rdoctask'
 require 'bundler/setup'
 require 'date'
 require File.dirname(__FILE__) + '/lib/fog'
@@ -44,6 +46,36 @@ end
 #
 #############################################################################
 
+GEM_NAME = "#{name}"
+spec = eval(File.read("#{gemspec_file}"))
+
+Rake::GemPackageTask.new(spec) do |pkg|
+  pkg.gem_spec = spec
+end
+
+begin
+  require 'sdoc'
+
+  Rake::RDocTask.new do |rdoc|
+    rdoc.title = "Fog Documentation"
+    rdoc.main = "README.rdoc"
+    rdoc.options << '--fmt' << 'shtml' # explictly set shtml generator
+    rdoc.template = 'direct' # lighter template
+    rdoc.rdoc_files.include("README.rdoc", "LICENSE", "lib/**/*.rb")
+    rdoc.rdoc_dir = "rdoc"
+end
+rescue LoadError
+  puts "sdoc is not available. (sudo) gem install sdoc to generate rdoc documentation."
+end
+
+task :install => :package do
+  sh %{gem install pkg/#{GEM_NAME}-#{version} --no-rdoc --no-ri}
+end
+
+task :uninstall do
+  sh %{gem uninstall #{GEM_NAME} -x -v #{version} }
+end
+
 task :default => :test
 
 namespace :test do