puppetlabs/beaker — pull request #147 by branan (2014-02-10 22:59:31+00:00)
Title: [maint] Do not modify the options hash in apply_manifest_on

1) This is just poor behavior
2) When an array of hosts is passed, apply_manifest_on is run more
than once. In this situation, the first one modifies the options hash
and ruins it for all its friends