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C API: Propagate nix_store_realise build errors

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This commit is contained in:
Robert Hensing 2025-10-15 15:19:40 +02:00
parent 12293a8b11
commit 6fa03765ed
3 changed files with 145 additions and 0 deletions
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8
src/libstore-c/nix_api_store.cc
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@ -173,6 +173,14 @@ nix_err nix_store_realise(
const auto nixStore = store->ptr;
auto results = nixStore->buildPathsWithResults(paths, nix::bmNormal, nixStore);
assert(results.size() == 1);
// Check if any builds failed
for (auto & result : results) {
if (!result.success())
result.rethrow();
}
if (callback) {
for (const auto & result : results) {
for (const auto & [outputName, realisation] : result.builtOutputs) {

2
src/libstore-c/nix_api_store.h
View file

@ -186,6 +186,8 @@ nix_err nix_store_real_path(
* @param[in] path Path to build
* @param[in] userdata data to pass to every callback invocation
* @param[in] callback called for every realised output
* @return NIX_OK if the build succeeded, or an error code if the build/scheduling/outputs/copying/etc failed.
* On error, the callback is never invoked and error information is stored in context.
*/
nix_err nix_store_realise(
nix_c_context * context,