WIP Whiskey Disk deployment with db backup and lesscss generation

deploy.rake

require 'whiskey_disk/rake'
require 'whiskey_disk/helpers'

namespace :deploy do
  ENV['to'] ||= 'staging'

  def verbose_cmd(cmd)
    system %(set -x && #{cmd})
  end

  desc "backup postgresql db"
  task :backup_db => :environment do
    c = ActiveRecord::Base.configurations[Rails.env]
    verbose_cmd %(
      pg\_dump -Fc --no-acl --no-owner #{c['database']} > #{WhiskeyDisk[:db_dumps]}/`date "+%Y-%m-%d_%H-%M-%S"`.sql
    )
  end

  task :post_setup do
    verbose_cmd %(
      mkdir -p #{WhiskeyDisk[:db_dumps]}
    )
    puts "Next add database.yml to #{WhiskeyDisk[:deploy_to]}/config"
    puts "Then run rake db:setup"
  end

  desc "run rake db:reset"
  task :db_reset do
    Rake::Task['db:reset'].invoke unless WhiskeyDisk[:environment] == "production"
  end

  task :common_post_deploy do
    Rake::Task['db:migrate'].invoke if changed?('db/migrate')
    verbose_cmd "touch tmp/restart.txt"
  end

  namespace :staging do
    task :post_deploy do
      Rake::Task['deploy:common_post_deploy'].invoke
    end
  end

  namespace :production do
    task :post_deploy do
      Rake::Task['deploy:backup_db'].invoke
      Rake::Task['deploy:common_post_deploy'].invoke
    end
  end
end

post_setup_script.sh

which bundle || gem install bundler
bundle check || bundle install --deployment --without=development test