[Backport 2.19-maintenance] [PARTIAL] Give Derivation::tryResolve
an evalStore
argument
#9594
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Motivation
N.B. Backport is modified not to change any call sites / behavior.
This is needed for building CA deriations with a src store / dest store split. In particular it is needed for Hydra.
Context
Derivation::tryResolve
anevalStore
argument #9563NixOS/hydra#838 currently puts realizations, and thus build outputs, in the local store, but it should not.
(cherry picked with modifications from commit 96dd757)
Priorities
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