Capistrano deploy with rails and sqlite3.rb

set :shared_database_path, "#{shared_path}/db"
set :shared_config_path, "#{shared_path}/config"

# snip...

after "deploy:setup", "sqlite3:make_shared_folder"
after "deploy:setup", "sqlite3:build_configuration"
after "deploy:symlink", "sqlite3:link_configuration_file"

# snip...

namespace :sqlite3 do
  desc "Generate a database configuration file"
  task :build_configuration, :roles => :db do
    db_options = {
      "adapter"  => "sqlite3",
      "database" => "#{shared_database_path}/production.sqlite3"
    }
    config_options = {"production" => db_options}.to_yaml
    put config_options, "#{shared_config_path}/sqlite_config.yml"
  end
 
  desc "Links the configuration file"
  task :link_configuration_file, :roles => :db do
    run "ln -nsf #{shared_config_path}/sqlite_config.yml #{release_path}/config/database.yml"
  end
 
  desc "Make a shared database folder"
  task :make_shared_folder, :roles => :db do
    run "mkdir -p #{shared_database_path}"
  end
end