Always making sure graph edges appear first

If we don't do this, there's a chance we'll get hit
by the ruby yaml bug again.

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

1 files changed, 11 insertions, 1 deletions

diff --git a/lib/puppet/simple_graph.rb b/lib/puppet/simple_graph.rb
index 97098325b..dacea1a9f 100644
--- a/lib/puppet/simple_graph.rb
+++ b/lib/puppet/simple_graph.rb
@@ -360,7 +360,17 @@ class Puppet::SimpleGraph
     end
 
     def to_yaml_properties
-        instance_variables
+        result = instance_variables
+
+        # There's a ruby bug that hits us without this:
+        # http://rubyforge.org/tracker/?group_id=426&atid=1698&func=detail&aid=8886
+        # We need our resources to show up in as values in a hash
+        # before they show up as keys, because otherwise
+        # the loading fails.
+        result.delete "@edges"
+        result.unshift "@edges"
+
+        result
     end
 
     # Just walk the tree and pass each edge.