module-puppetlabs-apt/manifests/ppa.pp

# ppa.pp

define apt::ppa() {

  Class['apt'] -> Apt::Ppa[$title]

    exec { "apt-update-${name}":
        command     => "/usr/bin/aptitude update",
        refreshonly => true,
    }

    exec { "add-apt-repository-${name}":
        command => "/usr/bin/add-apt-repository ${name}",
        notify  => Exec["apt-update-${name}"],
    }
}