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Allow non-CA derivations to depend on CA derivations

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This commit is contained in:
regnat 2020-09-23 16:30:42 +02:00
parent e0ca98c207
commit c092fa4702
8 changed files with 124 additions and 23 deletions
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39
src/libexpr/primops.cc
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@ -1089,18 +1089,35 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
// Regular, non-CA derivation should always return a single hash and not
// hash per output.
Hash h = std::get<0>(hashDerivationModulo(*state.store, Derivation(drv), true));
auto hashModulo = hashDerivationModulo(*state.store, Derivation(drv), true);
std::visit(overloaded {
[&](Hash h) {
for (auto & i : outputs) {
auto outPath = state.store->makeOutputPath(i, h, drvName);
drv.env[i] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(outPath),
},
});
}
},
[&](CaOutputHashes) {
// Shouldn't happen as the toplevel derivation is not CA.
assert(false);
},
[&](UnknownHashes) {
for (auto & i : outputs) {
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputDeferred{},
});
}
},
},
hashModulo);
for (auto & i : outputs) {
auto outPath = state.store->makeOutputPath(i, h, drvName);
drv.env[i] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(outPath),
},
});
}
}
/* Write the resulting term into the Nix store directory. */