Teach lookup plugins that if they can't evaluate something they can wait and do it later.
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@ -183,6 +183,10 @@ def _legacy_varFind(basedir, text, vars, lookup_fatal, depth, expand_lists):
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args = args.strip()
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# args have to be templated
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args = legacy_varReplace(basedir, args, vars, lookup_fatal, depth + 1, True)
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if isinstance(args, basestring) and args.find('$') != -1:
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# unable to evaluate something like $FILE($item) at this point, try to evaluate later
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return None
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instance = utils.plugins.lookup_loader.get(lookup_plugin_name.lower(), basedir=basedir)
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if instance is not None:
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