Capistrano task for creating a change log file

deploy.rb

    desc "Create about and revision files."
    task :rev_deployment, :roles => [:app, :web] do
      require 'grit'
      require 'chronic'
      # include Grit
      work_dir = File.join(File.dirname(__FILE__), '../../')
      g = Grit::Repo.new(work_dir)
      since = Chronic.parse('last week friday')
      msg = "\n"
      rev_file = File.join(File.dirname(__FILE__), '../../','tmp/revision.txt')
      File.new(rev_file,"w+") unless File.exists?(rev_file)
      File.open(rev_file,"w") do |f|
        f.puts "Version Info"
        f.puts "================================================="
        f.puts "Version: #{real_revision}"
        f.puts "Deploy Date: #{Time.now}"
        f.puts "Branch: #{exists?(:branch) ? branch : 'local'}"
        if ENV != 'production'   
          f.puts "Changes: Last #{since}"
          f.puts "================================================="
          g.commits_since(branch,since).each do |commit|
            # commit = g.gcommit(c)
            f.puts "[#{commit.committed_date.strftime("%m-%d-%y %I:%M%p")}] #{commit.committer} - #{commit.committer.email}"
            f.puts "#{commit.message}"
            f.puts ""
          end
        end
      end
      upload(rev_file,"#{release_path}/public/revision.txt")
    end