puppetlabs/puppetlabs_spec_helper — pull request #50 by wcooley (2014-02-14 19:57:06+00:00)
Title: Only clean up site.pp fixture if zero length

If the site.pp is not zero-length, then there is a good chance that
it is actually being used for something. In that case, cleaning it up
would be surprising and potentially lose work if not already committed.