deploy.rb with rvm support

cpistrano_rvm.rb

require 'bundler/capistrano'

set :application, "multicomm"
set :repository,  "git@XXXX"

set :scm, :git
set :user, 'multicomm'
set :deploy_to, '/var/lib/multicomm'
set :use_sudo, false
set :git_enable_submodules, 1

role :web, "XXX"
role :app, "XXX"
role :db,  "XXX", :primary => true

set :rvm_type, :user
$: << "#{File.join(ENV["HOME"], '.rvm/lib')}"
require 'rvm/capistrano'
set :rvm_ruby_string, 'ruby-1.9.2-p136'

after "deploy:update_code", "create_symlinks"

namespace :deploy do
  desc "Restart the master unicorn process"
  task :restart do
    run "kill -HUP `cat #{deploy_to}/shared/pids/unicorn.pid`"
    delayed_job::restart
  end

  task :start do 
    run "cd #{deploy_to}/current && bundle exec unicorn_rails -c config/unicorn.rb -E production -D" 
  end

  task :stop do
    run "kill -TERM `cat #{deploy_to}/shared/pids/unicorn.pid`" 
  end

end

namespace :delayed_job do
  desc "Start delayed job workers"
  task :start, :roles => :app do
    run "cd #{current_path} && RAILS_ENV=production bundle exec script/delayed_job start -n 2"
  end

  desc "Stop delayed job workers"
  task :stop, :roles => :app do
    run "cd #{current_path} && RAILS_ENV=production bundle exec script/delayed_job stop"
  end

  desc "Restart delayed jobs (in the background)"
  task :restart, :roles => :app do
    delayed_job::stop
    delayed_job::start
  end
end

task :create_symlinks, :except => {:no_symlink => true} do
	cmd = "cd #{release_path} &&\n"
	cmd << "ln -nfs #{shared_path}/config/environments/production.rb #{release_path}/config/environments/production.rb &&"
	cmd << "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml && "
	cmd << "ln -nfs #{shared_path}/config/unicorn.rb #{release_path}/config/unicorn.rb && "
  cmd << "ln -nfs releases/#{release_name} ../../relative_current"
	run cmd
end