Rakefile in kitabu-0.4.6 vs Rakefile in kitabu-0.4.7

@@ -2,36 +2,36 @@
 require "jeweler"
 require File.dirname(__FILE__) + "/lib/kitabu"
 
 JEWEL = Jeweler::Tasks.new do |gem|
   gem.name = "kitabu"
-  gem.version = Kitabu::VERSION
+  gem.version = ENV["VERSION"] || Kitabu::VERSION
   gem.summary = "A framework for creating e-books from Markdown/Textile text markup using Ruby."
   gem.description = <<-TXT
-A framework for creating e-books from Markdown/Textile text markup using Ruby. 
+A framework for creating e-books from Markdown/Textile text markup using Ruby.
 With Prince PDF generator, you'll be able to get high quality PDFs.
 TXT
-  
+
   gem.authors = ["Nando Vieira"]
   gem.email = "[e-mail]"
   gem.homepage = "http://fnando.github.com/public/kitabu.html"
-  
+
   gem.has_rdoc = false
   gem.files = %w(Rakefile kitabu.gemspec VERSION README.markdown) + Dir["{bin,templates,lib}/**/*"]
 	gem.bindir = "bin"
 	gem.executables = "kitabu"
-	
+
 	gem.add_dependency "activesupport", ">=2.3"
 end
 
 desc "Build and install the gem"
 task :package => :build_gem do
   FileUtils.cp "VERSION", File.expand_path("~/Sites/github/fnando.github.com/views/version/_#{JEWEL.gemspec.name}.haml")
 end
 
 desc "Generate gemspec and build gem"
 task :build_gem do
-  File.open("VERSION", "w+") {|f| f << Kitabu::VERSION.to_s }
-  
+  File.open("VERSION", "w+") {|f| f << (ENV["VERSION"] || Kitabu::VERSION.to_s) }
+
   Rake::Task["gemspec"].invoke
   Rake::Task["build"].invoke
 end