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Some backports from the flakes branch

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This commit is contained in:
Eelco Dolstra 2020-06-18 13:44:40 +02:00
parent 7083d33efe
commit 2a61bbf77f
6 changed files with 45 additions and 17 deletions
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15
src/libexpr/primops.cc
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@ -50,20 +50,20 @@ void EvalState::realiseContext(const PathSet & context)
std::vector<StorePathWithOutputs> drvs;
for (auto & i : context) {
std::pair<string, string> decoded = decodeContext(i);
auto ctx = store->parseStorePath(decoded.first);
auto [ctxS, outputName] = decodeContext(i);
auto ctx = store->parseStorePath(ctxS);
if (!store->isValidPath(ctx))
throw InvalidPathError(store->printStorePath(ctx));
if (!decoded.second.empty() && ctx.isDerivation()) {
drvs.push_back(StorePathWithOutputs{ctx, {decoded.second}});
if (!outputName.empty() && ctx.isDerivation()) {
drvs.push_back(StorePathWithOutputs{ctx, {outputName}});
/* Add the output of this derivation to the allowed
paths. */
if (allowedPaths) {
auto drv = store->derivationFromPath(store->parseStorePath(decoded.first));
DerivationOutputs::iterator i = drv.outputs.find(decoded.second);
auto drv = store->derivationFromPath(ctx);
DerivationOutputs::iterator i = drv.outputs.find(outputName);
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'", decoded.first, decoded.second);
throw Error("derivation '%s' does not have an output named '%s'", ctxS, outputName);
allowedPaths->insert(store->printStorePath(i->second.path));
}
}
@ -79,6 +79,7 @@ void EvalState::realiseContext(const PathSet & context)
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
}