capifying and other deploy things

Capfile

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+load 'deploy' if respond_to?(:namespace) # cap2 differentiator
+Dir['vendor/plugins/*/recipes/*.rb'].each { |plugin| load(plugin) }
+load 'config/deploy'

config.ru

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+require 'rubygems'
+
+if File.directory?(gems_dir = File.join(Dir.pwd, 'gems')) 
+  $BUNDLE = true
+  Gem.clear_paths
+  Gem.path.unshift(gems_dir)
+end
+
+require 'merb-core' 
+
+Merb::Config.setup(:merb_root   => File.expand_path(File.dirname(__FILE__)), 
+                   :environment => ENV['RACK_ENV']) 
+Merb.environment = Merb::Config[:environment] 
+Merb.root = Merb::Config[:merb_root] 
+Merb::BootLoader.run 
+
+run Merb::Rack::Application.new

config/deploy.rb

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+set :keep_releases, 5
+
+# server user
+set :user,            "billtrack"
+set :password,        "B1ll***Tr@ck"
+set :use_sudo,        false
+set :port,            2002
+default_run_options[:pty] = true
+
+# application
+set :application, "billtrack.org"
+set :deploy_to,   "/home/#{user}/#{application}"
+
+# database
+set :database,        "#{user}"
+set :dbuser,          user
+set :dbpass,          password
+
+# repository
+set :repository,  "git@ruby_passenger:bill_track.git" 
+set :deploy_via,  :remote_cache
+set :scm,         :git
+set :branch,      "master"
+set :scm_verbose, true
+set :scm_port,    2002
+
+# IPs
+role :app, "#{user}"
+role :web, "#{user}"
+role :db,  "#{user}", :primary => true
+
+desc "Link in shared things" 
+task :after_symlink do
+  # symlink log path
+  run "ln -nfs #{shared_path}/log #{release_path}/log" 
+  # config/database
+  run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml" 
+end
+
+desc "Merb AR migration of database" 
+deploy.task :migrate, :roles => :app do
+  run "cd #{current_path}; bin/rake MERB_ENV=production  db:migrate"
+end  
+
+
+desc "Restart Application"
+deploy.task :restart, :roles => :app do
+  run "cd #{current_path}; bin/thor merb:gem:redeploy"
+  run "touch #{current_path}/tmp/restart.txt"
+end
+
+namespace :merb do
+  desc "Redeploy Gems"
+  task :redeploy_gems do
+    run "cd #{current_path}; bin/thor merb:gem:redeploy"
+  end  
+end  
+