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Store StructuredAttrs directly in Derivation

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Instead of parsing a structured attrs at some later point, we parsed it
right away when parsing the A-Term format, and likewise serialize it to
`__json = <JSON dump>` when serializing a derivation to A-Term.

The JSON format can directly contain the JSON structured attrs without
so encoding it, so we just do that.
This commit is contained in:
John Ericson 2025-05-25 20:01:20 -04:00
parent b062730665
commit 8652b6b417
16 changed files with 177 additions and 109 deletions
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8
src/libstore/unix/build/derivation-builder.cc
View file

@ -809,7 +809,7 @@ void DerivationBuilderImpl::startBuilder()
writeStructuredAttrs();
/* Handle exportReferencesGraph(), if set. */
if (!parsedDrv) {
if (!drv.structuredAttrs) {
for (auto & [fileName, ss] : drvOptions.exportReferencesGraph) {
StorePathSet storePathSet;
for (auto & storePathS : ss) {
@ -1081,7 +1081,7 @@ void DerivationBuilderImpl::initEnv()
/* In non-structured mode, set all bindings either directory in the
environment or via a file, as specified by
`DerivationOptions::passAsFile`. */
if (!parsedDrv) {
if (!drv.structuredAttrs) {
for (auto & i : drv.env) {
if (drvOptions.passAsFile.find(i.first) == drvOptions.passAsFile.end()) {
env[i.first] = i.second;
@ -1149,8 +1149,8 @@ void DerivationBuilderImpl::initEnv()
void DerivationBuilderImpl::writeStructuredAttrs()
{
if (parsedDrv) {
auto json = parsedDrv->prepareStructuredAttrs(store, drvOptions, inputPaths, drv.outputs);
if (drv.structuredAttrs) {
auto json = drv.structuredAttrs->prepareStructuredAttrs(store, drvOptions, inputPaths, drv.outputs);
nlohmann::json rewritten;
for (auto & [i, v] : json["outputs"].get<nlohmann::json::object_t>()) {
/* The placeholder must have a rewrite, so we use it to cover both the