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Squashed get CA derivations building

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This commit is contained in:
John Ericson 2020-08-07 19:09:26 +00:00
parent f7ba16f9cb
commit e913a2989f
29 changed files with 1021 additions and 485 deletions
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56
src/nix-build/nix-build.cc
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@ -487,50 +487,56 @@ static void _main(int argc, char * * argv)
std::vector<StorePathWithOutputs> pathsToBuild;
std::map<Path, Path> drvPrefixes;
std::map<Path, Path> resultSymlinks;
std::vector<Path> outPaths;
std::map<StorePath, std::pair<size_t, StringSet>> drvMap;
for (auto & drvInfo : drvs) {
auto drvPath = drvInfo.queryDrvPath();
auto outPath = drvInfo.queryOutPath();
auto drvPath = store->parseStorePath(drvInfo.queryDrvPath());
auto outputName = drvInfo.queryOutputName();
if (outputName == "")
throw Error("derivation '%s' lacks an 'outputName' attribute", drvPath);
throw Error("derivation '%s' lacks an 'outputName' attribute", store->printStorePath(drvPath));
pathsToBuild.push_back({store->parseStorePath(drvPath), {outputName}});
pathsToBuild.push_back({drvPath, {outputName}});
std::string drvPrefix;
auto i = drvPrefixes.find(drvPath);
if (i != drvPrefixes.end())
drvPrefix = i->second;
auto i = drvMap.find(drvPath);
if (i != drvMap.end())
i->second.second.insert(outputName);
else {
drvPrefix = outLink;
if (drvPrefixes.size())
drvPrefix += fmt("-%d", drvPrefixes.size() + 1);
drvPrefixes[drvPath] = drvPrefix;
drvMap[drvPath] = {drvMap.size(), {outputName}};
}
std::string symlink = drvPrefix;
if (outputName != "out") symlink += "-" + outputName;
resultSymlinks[symlink] = outPath;
outPaths.push_back(outPath);
}
buildPaths(pathsToBuild);
if (dryRun) return;
for (auto & symlink : resultSymlinks)
if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>())
store2->addPermRoot(store->parseStorePath(symlink.second), absPath(symlink.first), true);
std::vector<StorePath> outPaths;
for (auto & [drvPath, info] : drvMap) {
auto & [counter, wantedOutputs] = info;
std::string drvPrefix = outLink;
if (counter)
drvPrefix += fmt("-%d", counter + 1);
auto builtOutputs = store->queryDerivationOutputMapAssumeTotal(drvPath);
for (auto & outputName : wantedOutputs) {
auto outputPath = builtOutputs.at(outputName);
if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>()) {
std::string symlink = drvPrefix;
if (outputName != "out") symlink += "-" + outputName;
store2->addPermRoot(outputPath, absPath(symlink), true);
}
outPaths.push_back(outputPath);
}
}
logger->stop();
for (auto & path : outPaths)
std::cout << path << '\n';
std::cout << store->printStorePath(path) << '\n';
}
}