Issue #4778 has been updated by Markus Roberts.

So I suspect the gotcha here is that evaluation is being deferred for a reason; 
we don't want to evaluate the class until later to prevent the analogous 
problem with its parameters.

However, I was unable just now to come up with a case that demonstrates this, 
so it may be that we've managed to implement the famous "do everything last" 
algorithm, which would be sweet if it wasn't the exact converse of what's 
wanted here.

----------------------------------------
Bug #4778: Evaluation of classes instantiated using parameterized style 
shouldn't be deferred
http://projects.puppetlabs.com/issues/4778

Author: R.I. Pienaar aka Volcane
Status: Accepted
Priority: Normal
Assignee: 
Category: 
Target version: 2.6.x
Affected version: 2.6.1
Keywords: 
Branch: 


Given the manifest:

<pre>
stage{"bootstrap": before => Stage["main"]}


class setup {
    $something = "this"
}

class foo {
    notify{"${setup::something}": }
}
</pre>

The following includes work:

<pre>
include setup
include foo

notice: /Stage[main]/Foo/Notify[this]/message: defined 'message' as 'this'
</pre>

However if I put the setup in the bootstrap stage it doesnt:

<pre>
class{"setup": stage => "bootstrap"}
include foo

warning: Scope(Class[Foo]): Could not look up qualified variable 
'setup::something'; class setup has not been evaluated
notice: 
notice: /Stage[main]/Foo/Notify[]/message: defined 'message' as ''
No title provided and "Notify[]" is not a valid resource reference
</pre>

I'd expect this to work


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