Only backing up within parsedfile when managing files

I was getting failing tests because I was using non-files
for testing and they didn't back up the same, not
surprisingly.

This moves the 'backup' method to the :flat filetype
and then only backs up if the filetype supports it.

Signed-off-by: Luke Kanies <luke@madstop.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/puppet/provider/parsedfile.rb b/lib/puppet/provider/parsedfile.rb
index 45eae57ff..40e172785 100755
--- a/lib/puppet/provider/parsedfile.rb
+++ b/lib/puppet/provider/parsedfile.rb
@@ -81,6 +81,8 @@ class Puppet::Provider::ParsedFile < Puppet::Provider
     # Make sure our file is backed up, but only back it up once per transaction.
     # We cheat and rely on the fact that @records is created on each prefetch.
     def self.backup_target(target)
+        return nil unless target_object(target).respond_to?(:backup)
+
         unless defined?(@backup_stats)
             @backup_stats = {}
         end