nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-28 13:11:00 +01:00
Code Activity

Merge pull request #14641 from obsidiansystems/simplify-nix-develop

Browse source 
Simplify `nix develop` "gathering derivation environment"
This commit is contained in:
John Ericson 2025-11-25 19:08:12 +00:00 • committed by GitHub
commit 423e732b22
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 35 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

36
src/nix/develop.cc
View file

@ -272,26 +272,24 @@ static StorePath getDerivationEnvironment(ref<Store> store, ref<Store> evalStore
drv.name += "-env";
drv.env.emplace("name", drv.name);
drv.inputSrcs.insert(std::move(getEnvShPath));
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
for (auto & output : drv.outputs) {
output.second = DerivationOutput::Deferred{}, drv.env[output.first] = hashPlaceholder(output.first);
}
} else {
for (auto & output : drv.outputs) {
output.second = DerivationOutput::Deferred{};
drv.env[output.first] = "";
}
auto hashesModulo = hashDerivationModulo(*evalStore, drv, true);
for (auto & output : drv.outputs) {
Hash h = hashesModulo.hashes.at(output.first);
auto outPath = store->makeOutputPath(output.first, h, drv.name);
output.second = DerivationOutput::InputAddressed{
.path = outPath,
};
drv.env[output.first] = store->printStorePath(outPath);
}
for (auto & [outputName, output] : drv.outputs) {
std::visit(
overloaded{
[&](const DerivationOutput::InputAddressed &) {
output = DerivationOutput::Deferred{};
drv.env[outputName] = "";
},
[&](const DerivationOutput::CAFixed &) {
output = DerivationOutput::Deferred{};
drv.env[outputName] = "";
},
[&](const auto &) {
// Do nothing for other types (CAFloating, Deferred, Impure)
},
},
output.raw);
}
drv.fillInOutputPaths(*evalStore);
auto shellDrvPath = writeDerivation(*evalStore, drv);