gistfile1.rb

#
# To use:
#   require 'opc/capistrano/ext/upload_config_files'
#   upload_config.upload_config_file("config/config.yml", "config/config.yml")
#
module Opc
  module Capistrano
    module Ext
      module UploadConfigFiles
         
        def upload_config_file(source, destination, opts={})
          key = source.to_s.gsub(/\W/, "_")

          after "deploy:finalize_update", "opc:config:#{key}:put_file", opts
          after "deploy:update_code",     "opc:config:#{key}:symlink", opts

          namespace :opc do
            namespace :config do
              namespace key do
                desc "put #{source} to #{destination}"
                task :put_file, opts do
                  run "mkdir -p #{shared_path}/#{File.dirname(destination)}"
                  put File.read(source), "#{shared_path}/#{destination}"
                end

                desc "Make symlink for database yaml files"
                task :symlink, opts do
                  run "ln -nfs #{shared_path}/#{destination} #{release_path}/#{destination}"
                end
              end
            end
          end

        end
      end
    end
  end
end

Capistrano.plugin :upload_config, Opc::Capistrano::Ext::UploadConfigFiles