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Retry substitution after an incomplete closure only once

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This avoids an infinite loop in the final test in
tests/binary-cache.sh. I think this was only not triggered previously
by accident (because we were clearing wantedOutputs in between).
This commit is contained in:
Eelco Dolstra 2022-03-24 23:25:12 +01:00
parent fe5509df9a
commit 540d7e33d8
2 changed files with 8 additions and 5 deletions
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5
src/libstore/build/derivation-goal.cc
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@ -207,8 +207,6 @@ void DerivationGoal::haveDerivation()
if (!drv->type().hasKnownOutputPaths()) if (!drv->type().hasKnownOutputPaths())
settings.requireExperimentalFeature(Xp::CaDerivations); settings.requireExperimentalFeature(Xp::CaDerivations);
retrySubstitution = false;
for (auto & i : drv->outputsAndOptPaths(worker.store)) for (auto & i : drv->outputsAndOptPaths(worker.store))
if (i.second.second) if (i.second.second)
worker.store.addTempRoot(*i.second.second); worker.store.addTempRoot(*i.second.second);
@ -423,7 +421,8 @@ void DerivationGoal::inputsRealised()
return; return;
} }
if (retrySubstitution) { if (retrySubstitution && !retriedSubstitution) {
retriedSubstitution = true;
haveDerivation(); haveDerivation();
return; return;
} }

8
src/libstore/build/derivation-goal.hh
View file

@ -61,8 +61,12 @@ struct DerivationGoal : public Goal
bool needRestart = false; bool needRestart = false;
/* Whether to retry substituting the outputs after building the /* Whether to retry substituting the outputs after building the
inputs. */ inputs. This is done in case of an incomplete closure. */
bool retrySubstitution; bool retrySubstitution = false;
/* Whether we've retried substitution, in which case we won't try
again. */
bool retriedSubstitution = false;
/* The derivation stored at drvPath. */ /* The derivation stored at drvPath. */
std::unique_ptr<Derivation> drv; std::unique_ptr<Derivation> drv;