gistfile1.rb

  namespace :pending do
    desc <<-DESC
      Displays the `diff' since your last deploy. This is useful if you want \
      to examine what changes are about to be deployed. Note that this might \
      not be supported on all SCM's.
    DESC
    task :diff, :except => { :no_release => true } do
      system(source.local.diff(current_revision))
    end

    desc <<-DESC
      Displays the commits since your last deploy. This is good for a summary \
      of the changes that have occurred since the last deploy. Note that this \
      might not be supported on all SCM's.
    DESC
    task :default, :except => { :no_release => true } do
      from = source.next_revision(current_revision)
      system(source.local.log(from))
    end
  end