aws_bundle.rb

Capistrano::Configuration.instance(:must_exist).load do
  # example execution 'cap bundle_app -s version=HEAD'
  desc "Bundle code and push to S3"
  task :bundle_app do
    puts "Starting Git archive of #{version}"
    `git archive -o oldweather.tar #{version}`
    `gzip oldweather.tar`
  
    s3_upload
    clean_up
  end    
  
  desc "Upload file to S3"
  task :s3_upload do
    # need to have the aws/s3 gem
    AWS::S3::Base.establish_connection!(
      :access_key_id     => 'YOURACCESSID',
      :secret_access_key => 'YOURSECRETKEY'
    )
    
    # upload the new one
    print "Uploading new one..."
    AWS::S3::S3Object.store('oldweather_new.tar.gz', open('oldweather.tar.gz'), 'your-bucket')
    print "done\n"
    
    # rename the old file
    puts "Renaming old code bundle"
    AWS::S3::S3Object.rename "oldweather.tar.gz", "oldweather-#{Time.now.strftime('%H%M-%d%m%y')}.tar.gz", "your-bucket"
    
    # rename the new file
    AWS::S3::S3Object.rename "oldweather_new.tar.gz", "oldweather.tar.gz", "your-bucket"
  end
  
  desc "Clean up old files"
  task :clean_up do
    puts "Cleaning up"
    `rm oldweather.tar.gz`
    puts "All done!"
  end
end