Heroku Rake tasks

heroku.rake

namespace :heroku do
  DEFAULT_APP = 'my_app'

  desc 'Create database backup'
  task :backup, :app do |task, args|
    args.with_defaults(app: DEFAULT_APP)
    Bundler.with_clean_env do
      `heroku pg:backups capture --app #{args[:app]}`
    end

    puts $?.exitstatus == 0 ? 'Backup created.' : 'Backup failed.'
  end

  desc 'Download latest database backup'
  task :download_backup, :app do |task, args|
    args.with_defaults(app: DEFAULT_APP)
    Bundler.with_clean_env do
      url = `heroku pg:backups public-url --app #{args[:app]}`
      `curl -o latest.dump "#{url}"`
    end

    puts $?.exitstatus == 0 ? 'Database downloaded.' : 'Download failed.'
  end
end