class Jeweler::Commands::WriteGemspec

def self.build_for(jeweler)
  command = new
  command.base_dir = jeweler.base_dir
  command.gemspec = jeweler.gemspec
  command.version = jeweler.version
  command.output = jeweler.output
  command.gemspec_helper = jeweler.gemspec_helper
  command.version_helper = jeweler.version_helper
  command
end

def gemspec_helper
  @gemspec_helper ||= GemSpecHelper.new(self.gemspec, self.base_dir)
end

def initialize
  self.output = $stdout
end

def run
  gemspec_helper.spec.version ||= begin
    version_helper.refresh
    version_helper.to_s
  end
  gemspec_helper.write
  output.puts "Generated: #{gemspec_helper.path}"  
end