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7e53afd8b9
Before we just had partial code accessing it. Now, we use `nlohmann::json::object_t`, which is a `std::map`, to enforce this by construction.
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
#include "nix/store/build/derivation-env-desugar.hh"
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#include "nix/store/store-api.hh"
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#include "nix/store/derivations.hh"
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#include "nix/store/derivation-options.hh"
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namespace nix {
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std::string & DesugaredEnv::atFileEnvPair(std::string_view name, std::string fileName)
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{
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auto & ret = extraFiles[fileName];
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variables.insert_or_assign(
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std::string{name},
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EnvEntry{
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.prependBuildDirectory = true,
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.value = std::move(fileName),
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});
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return ret;
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}
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DesugaredEnv DesugaredEnv::create(
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Store & store, const Derivation & drv, const DerivationOptions & drvOptions, const StorePathSet & inputPaths)
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{
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DesugaredEnv res;
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if (drv.structuredAttrs) {
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auto json = drv.structuredAttrs->prepareStructuredAttrs(store, drvOptions, inputPaths, drv.outputs);
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res.atFileEnvPair("NIX_ATTRS_SH_FILE", ".attrs.sh") = StructuredAttrs::writeShell(json);
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res.atFileEnvPair("NIX_ATTRS_JSON_FILE", ".attrs.json") = static_cast<nlohmann::json>(std::move(json)).dump();
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} else {
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/* In non-structured mode, set all bindings either directory in the
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environment or via a file, as specified by
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`DerivationOptions::passAsFile`. */
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for (auto & [envName, envValue] : drv.env) {
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if (!drvOptions.passAsFile.contains(envName)) {
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res.variables.insert_or_assign(
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envName,
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EnvEntry{
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.value = envValue,
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});
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} else {
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res.atFileEnvPair(
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envName + "Path",
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".attr-" + hashString(HashAlgorithm::SHA256, envName).to_string(HashFormat::Nix32, false)) =
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envValue;
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}
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}
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/* Handle exportReferencesGraph(), if set. */
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for (auto & [fileName, storePaths] : drvOptions.getParsedExportReferencesGraph(store)) {
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/* Write closure info to <fileName>. */
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res.extraFiles.insert_or_assign(
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fileName, store.makeValidityRegistration(store.exportReferences(storePaths, inputPaths), false, false));
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}
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}
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return res;
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}
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} // namespace nix
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