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Use std::variant to enforce BuildResult invariants

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There is now a clean separation between successful and failing build
results.
This commit is contained in:
John Ericson 2025-09-23 18:09:56 -04:00
parent 43550e8edb
commit e731c43eae
29 changed files with 568 additions and 397 deletions
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8
src/libstore-c/nix_api_store.cc
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@ -145,9 +145,11 @@ nix_err nix_store_realise(
if (callback) {
for (const auto & result : results) {
for (const auto & [outputName, realisation] : result.builtOutputs) {
StorePath p{realisation.outPath};
callback(userdata, outputName.c_str(), &p);
if (auto * success = result.tryGetSuccess()) {
for (const auto & [outputName, realisation] : success->builtOutputs) {
StorePath p{realisation.outPath};
callback(userdata, outputName.c_str(), &p);
}
}
}
}