namespace :branches => :environment do    updates = []    Branch.find_all.each do |branch|        name = "update:%s" % branch.name        # Create the checkout task; the name is the file        # created by performing the checkout.        file branch.path do            puts "Checking out %s" % branch.desc            begin
                branch.checkout
            rescue => detail
                $stderr.puts detail
            end
        end

        # And create a task for actually updating the branch
        task name => file.branch do
            puts "Updating %s" % branch.desc
            begin
                branch.update_repository
            rescue => detail
                $stderr.puts detail
            end
        end
        updates << name
    end
    desc "Update all branches"
    task :update => updates 
end