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Optimize the nix build caching

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This commit is contained in:
regnat 2021-06-04 15:21:03 +02:00
parent c116e6e837
commit 753730c410
1 changed files with 11 additions and 22 deletions
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33
src/libcmd/installables.cc
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@ -506,31 +506,20 @@ std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableF
*emptyArgs,
*getFlakeOutputs(*state, *lockedFlake)
);
auto drvPath = state->forceString(
*findAlongAttrPath(
*state,
"drvPath",
*emptyArgs,
*drvValue).first
);
auto outPath = state->forceString(
*findAlongAttrPath(
*state,
"outPath",
*emptyArgs,
*drvValue).first
);
auto outputName = state->forceString(
*findAlongAttrPath(
*state,
"outputName",
*emptyArgs,
*drvValue).first
);
Value * v = state->allocValue();
if (!state->getAttrField(*drvValue, {state->sDrvPath}, pos, *v))
break;
auto drvPath = state->forceString(*v);
if (!state->getAttrField(*drvValue, {state->sOutPath}, pos, *v))
break;
auto outPath = state->forceString(*v);
if (!state->getAttrField(*drvValue, {state->sOutputName}, pos, *v))
break;
auto outputName = state->forceString(*v);
auto drvInfo = DerivationInfo{
state->store->parseStorePath(drvPath),
state->store->maybeParseStorePath(outPath), // FIXME: set to something when relevant?
state->store->maybeParseStorePath(outPath),
outputName
};