cap_tag.rb

set :git_tagging,  true
set :tag_stamp,    Time.now.strftime("%Y%m%d%H%M%S")
set :tag_name,     ENV['TAG'] || "#{tag_stamp}-REL-#{rails_env}"

desc 'Git related recipes'
namespace :git do

  desc 'pulls down submodules after performing a deployment'
  task :submodules do
    run "cd #{deploy_to}/current && 
         git submodule init && 
         git submodule update"
  end

  desc 'Tag the current branch for a release'
  task :tag do
    system "git tag -a -m 'Tagged for release on #{tag_stamp}' #{tag_name}"
    system "git push --tags"
  end

end