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Simplify the case where the drv is a purely input-addressed one

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This commit is contained in:
regnat 2021-02-26 16:34:33 +01:00
parent 076d2b04da
commit f54976d77b
4 changed files with 18 additions and 2 deletions
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2
src/build-remote/build-remote.cc
View file

@ -283,7 +283,7 @@ connected:
std::set<Realisation> missingRealisations;
StorePathSet missingPaths;
if (settings.isExperimentalFeatureEnabled("ca-derivations")) {
if (settings.isExperimentalFeatureEnabled("ca-derivations") && !derivationHasKnownOutputPaths(drv.type())) {
for (auto & outputName : wantedOutputs) {
auto thisOutputHash = outputHashes.at(outputName);
auto thisOutputId = DrvOutput{ thisOutputHash, outputName };

2
src/libstore/build/entry-points.cc
View file

@ -69,7 +69,7 @@ BuildResult Store::buildDerivation(const StorePath & drvPath, const BasicDerivat
outputId,
Realisation{ outputId, *staticOutput.second}
);
if (settings.isExperimentalFeatureEnabled("ca-derivations")) {
if (settings.isExperimentalFeatureEnabled("ca-derivations") && !derivationHasKnownOutputPaths(drv.type())) {
auto realisation = this->queryRealisation(outputId);
if (realisation)
result.builtOutputs.insert_or_assign(

11
src/libstore/derivations.cc
View file

@ -57,6 +57,17 @@ bool derivationIsFixed(DerivationType dt) {
assert(false);
}
bool derivationHasKnownOutputPaths(DerivationType dt) {
switch (dt) {
case DerivationType::InputAddressed: return true;
case DerivationType::CAFixed: return true;
case DerivationType::CAFloating: return false;
case DerivationType::DeferredInputAddressed: return false;
};
assert(false);
}
bool derivationIsImpure(DerivationType dt) {
switch (dt) {
case DerivationType::InputAddressed: return false;

5
src/libstore/derivations.hh
View file

@ -94,6 +94,11 @@ bool derivationIsFixed(DerivationType);
derivation is controlled separately. Never true for non-CA derivations. */
bool derivationIsImpure(DerivationType);
/* Does the derivation knows its own output paths?
* Only true when there's no floating-ca derivation involved in the closure.
*/
bool derivationHasKnownOutputPaths(DerivationType);
struct BasicDerivation
{
DerivationOutputs outputs; /* keyed on symbolic IDs */