Capistrano recipe

deploy.rb

require 'capistrano/recipes/deploy/strategy/copy'

set :stages, %w(staging production)
set :default_stage, "staging"

# options parsing & validation
set :stage_name, (ARGV.first if ARGV.first != "deploy") || default_stage

# basic settings
set :application,   "Appname"
set :repository,    "git.repo.url"
set :scm,           :git
set :branch,        "master"

set :use_sudo,      true
set :user,          "deployer"
set :group,         "www-data"

set :deploy_via,    :copy
set :deploy_to,     "/var/www/#{application}"

default_run_options[:pty] = true
ssh_options[:port]        = 22

# put callbacks here
after "deploy:update_code", "db:symlink", "deploy:after_deploy"

namespace :db do
  desc "Make symlink for wp-config.php"
  task :symlink, :roles => :app do
    run "ln -nfs #{shared_path}/wp-config.php #{release_path}/wwwroot/wp-config.php"
    run "ln -nfs #{shared_path}/plugins #{release_path}/wwwroot/wp-content/plugins"
    run "ln -nfs #{shared_path}/upgrade #{release_path}/wwwroot/wp-content/upgrade"
    run "ln -nfs #{shared_path}/uploads #{release_path}/wwwroot/wp-content/uploads"
  end
end

namespace :deploy do
  task :default do
    transaction do
      update_code
      symlink
    end
  end

  task :update_code, :except => { :no_release => true } do
    on_rollback { run "rm -rf #{release_path}; true" }
    strategy.deploy!
  end

  task :after_deploy do
    run "#{try_sudo} chgrp -R #{group} #{release_path}/wwwroot"
    run "#{try_sudo} chgrp -R #{group} #{shared_path}/plugins"
    run "#{try_sudo} chgrp -R #{group} #{shared_path}/upgrade"
    run "#{try_sudo} chgrp -R #{group} #{shared_path}/uploads"
  end
end