rtyler/puppet-jenkins — pull request #7 by tbroyer (2012-02-29 17:16:58+00:00)
Title: Avoid duplicate File['/etc/apt/sources.list.d'] by checking whether it's...

... already defined.

Other modules define a File['/etc/apt/sources.list.d'] (e.g. https://github.com/puppetlabs/puppet-apt/blob/master/manifests/init.pp#L44), so they will conflict with puppet-jenkins.