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Merge branch 'master' into structured-attrs-shell

Browse source 
Conflicts:
        src/nix/develop.cc
        src/nix/get-env.sh
        tests/shell.nix
This commit is contained in:
Maximilian Bosch 2021-07-12 15:46:41 +02:00
commit 04cd2da84c
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104 changed files with 1644 additions and 539 deletions
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38
src/libstore/store-api.cc
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@ -337,6 +337,13 @@ ValidPathInfo Store::addToStoreSlow(std::string_view name, const Path & srcPath,
return info;
}
StringSet StoreConfig::getDefaultSystemFeatures()
{
auto res = settings.systemFeatures.get();
if (settings.isExperimentalFeatureEnabled("ca-derivations"))
res.insert("ca-derivations");
return res;
}
Store::Store(const Params & params)
: StoreConfig(params)
@ -816,20 +823,39 @@ std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStor
RepairFlag repair, CheckSigsFlag checkSigs, SubstituteFlag substitute)
{
StorePathSet storePaths;
std::set<Realisation> realisations;
std::set<Realisation> toplevelRealisations;
for (auto & path : paths) {
storePaths.insert(path.path());
if (auto realisation = std::get_if<Realisation>(&path.raw)) {
settings.requireExperimentalFeature("ca-derivations");
realisations.insert(*realisation);
toplevelRealisations.insert(*realisation);
}
}
auto pathsMap = copyPaths(srcStore, dstStore, storePaths, repair, checkSigs, substitute);
ThreadPool pool;
try {
for (auto & realisation : realisations) {
dstStore->registerDrvOutput(realisation, checkSigs);
}
} catch (MissingExperimentalFeature & e) {
// Copy the realisation closure
processGraph<Realisation>(
pool, Realisation::closure(*srcStore, toplevelRealisations),
[&](const Realisation& current) -> std::set<Realisation> {
std::set<Realisation> children;
for (const auto& [drvOutput, _] : current.dependentRealisations) {
auto currentChild = srcStore->queryRealisation(drvOutput);
if (!currentChild)
throw Error(
"Incomplete realisation closure: '%s' is a "
"dependency of '%s' but isn’t registered",
drvOutput.to_string(), current.id.to_string());
children.insert(*currentChild);
}
return children;
},
[&](const Realisation& current) -> void {
dstStore->registerDrvOutput(current, checkSigs);
});
} catch (MissingExperimentalFeature& e) {
// Don't fail if the remote doesn't support CA derivations is it might
// not be within our control to change that, and we might still want
// to at least copy the output paths.