Files
lix/lix/libcmd/built-path.cc
T
eldritch horrors 96e28966ab libstore: remove unused BuiltPath bits
Change-Id: I21d0f95a41c22cb64fb80bb696bcb403b5a38fc1
2025-05-20 17:43:46 +00:00

96 lines
2.9 KiB
C++

#include "lix/libcmd/built-path.hh"
#include "lix/libstore/derivations.hh"
#include "lix/libstore/store-api.hh"
#include "lix/libutil/async.hh"
#include "lix/libutil/json.hh"
#include "lix/libutil/result.hh"
#include <kj/async.h>
namespace nix {
#define CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, COMPARATOR) \
bool MY_TYPE ::operator COMPARATOR (const MY_TYPE & other) const \
{ \
const MY_TYPE* me = this; \
auto fields1 = std::tie(me->drvPath, me->FIELD); \
me = &other; \
auto fields2 = std::tie(me->drvPath, me->FIELD); \
return fields1 COMPARATOR fields2; \
}
#define CMP(CHILD_TYPE, MY_TYPE, FIELD) \
CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, ==) \
CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, !=) \
CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, <)
#define FIELD_TYPE std::map<std::string, StorePath>
CMP(SingleBuiltPath, BuiltPathBuilt, outputs)
#undef FIELD_TYPE
#undef CMP
#undef CMP_ONE
StorePathSet BuiltPath::outPaths() const
{
return std::visit(
overloaded{
[](const BuiltPath::Opaque & p) { return StorePathSet{p.path}; },
[](const BuiltPath::Built & b) {
StorePathSet res;
for (auto & [_, path] : b.outputs)
res.insert(path);
return res;
},
}, raw()
);
}
kj::Promise<Result<JSON>> BuiltPath::Built::toJSON(const Store & store) const
try {
JSON res;
res["drvPath"] = TRY_AWAIT(drvPath.toJSON(store));
for (const auto & [outputName, outputPath] : outputs) {
res["outputs"][outputName] = store.printStorePath(outputPath);
}
co_return res;
} catch (...) {
co_return result::current_exception();
}
kj::Promise<Result<RealisedPath::Set>> BuiltPath::toRealisedPaths(Store & store) const
try {
RealisedPath::Set res;
auto handlers = overloaded{
// NOLINTNEXTLINE(cppcoreguidelines-avoid-capturing-lambda-coroutines)
[&](const BuiltPath::Opaque & p) -> kj::Promise<Result<void>> {
try {
res.insert(p.path);
return {result::success()};
} catch (...) {
return {result::current_exception()};
}
},
// NOLINTNEXTLINE(cppcoreguidelines-avoid-capturing-lambda-coroutines)
[&](const BuiltPath::Built & p) -> kj::Promise<Result<void>> {
try {
auto drvHashes = TRY_AWAIT(
staticOutputHashes(store, TRY_AWAIT(store.readDerivation(p.drvPath.path)))
);
for (auto& [outputName, outputPath] : p.outputs) {
res.insert(outputPath);
}
co_return result::success();
} catch (...) {
co_return result::current_exception();
}
},
};
TRY_AWAIT(std::visit(handlers, raw()));
co_return res;
} catch (...) {
co_return result::current_exception();
}
}