From e4f9f3bf246d66c57b07b45583469b98ba0db367 Mon Sep 17 00:00:00 2001 From: Taeer Bar-Yam Date: Mon, 5 Dec 2022 11:27:47 -0500 Subject: [PATCH] check the store for input before failing (hopefully fix #6700) --- src/libstore/build/derivation-goal.cc | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc index 67cfc38af..5aed51bcd 100644 --- a/src/libstore/build/derivation-goal.cc +++ b/src/libstore/build/derivation-goal.cc @@ -501,6 +501,14 @@ void DerivationGoal::inputsRealised() now-known results of dependencies. If so, we become a stub goal aliasing that resolved derivation goal. */ std::optional attempt = fullDrv.tryResolve(worker.store, inputDrvOutputs); + if (!attempt) { + /* TODO (impure derivations-induced tech debt) (see below): + The above attempt should have found it, but because we manage + inputDrvOutputs statefully, sometimes it gets out of sync with + the real source of truth (store). So we query the store + directly if there's a problem. */ + attempt = fullDrv.tryResolve(worker.store); + } assert(attempt); Derivation drvResolved { *std::move(attempt) };