puppetlabs/puppetlabs-apt — pull request #297 by frconil (2014-05-19 05:27:00+00:00)
Title: adding notice on top of sourceslist files

I find it useful to figure out what is managed by puppet and what isn't when not setting up the option to purge sourceslist files, and avoid people editing files that will get squashed at the next run. YMMV