# File lib/rhc/deployment_helpers.rb, line 94
      def activate_deployment(rest_app, deployment_id)
        say "Activating deployment '#{deployment_id}' on application #{rest_app.name} ..."

        ssh_url = URI(rest_app.ssh_url)
        remote_cmd = "gear activate --all #{deployment_id}"

        begin
          ssh_ruby(ssh_url.host, ssh_url.user, remote_cmd)
          success "Success"
        rescue
          ssh_cmd = "ssh -t #{ssh_url.user}@#{ssh_url.host} '#{remote_cmd}'"
          warn "Error activating deployment. You can try to activate manually with:\n#{ssh_cmd}"
          raise
        end
      end