James Bardin 5b8010b5b9 add a fixup transformer to connect destroy refs ...

Since we have to allow destroy nodes to be evaluated for providers
during a full destroy, this is adding a transformer to connect temporary
values to any destroy versions of their references when possible. The
ensures that the destroy happens before evaluation, even when there
isn't a full create-then-destroy set of instances.

The cases where the connection can't be made are when the temporary
value has a provider descendant, which means it must evaluate early in
the case of a full destroy. This means the value may contain incorrect
data when referencing resource that are create_before_destroy, or being
scaled-in via count or for_each. That will need to be addressed later by
reevaluating how we handle the full destroy case in terraform.

2020-07-20 09:49:47 -04:00

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