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Use ref<LockedFlake> where non-null

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This commit is contained in:
Robert Hensing 2025-10-09 20:53:48 +02:00
parent 0387b7d6db
commit 42c9cbf9ca
6 changed files with 10 additions and 11 deletions
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2
src/libcmd/include/nix/cmd/installable-flake.hh
View file

@ -69,7 +69,7 @@ struct InstallableFlake : InstallableValue
*/
std::vector<ref<eval_cache::AttrCursor>> getCursors(EvalState & state) override;
std::shared_ptr<flake::LockedFlake> getLockedFlake() const;
ref<flake::LockedFlake> getLockedFlake() const;
FlakeRef nixpkgsFlakeRef() const;
};

8
src/libcmd/installable-flake.cc
View file

@ -185,16 +185,16 @@ std::vector<ref<eval_cache::AttrCursor>> InstallableFlake::getCursors(EvalState
return res;
}
std::shared_ptr<flake::LockedFlake> InstallableFlake::getLockedFlake() const
ref<flake::LockedFlake> InstallableFlake::getLockedFlake() const
{
if (!_lockedFlake) {
flake::LockFlags lockFlagsApplyConfig = lockFlags;
// FIXME why this side effect?
lockFlagsApplyConfig.applyNixConfig = true;
_lockedFlake =
std::make_shared<flake::LockedFlake>(lockFlake(flakeSettings, *state, flakeRef, lockFlagsApplyConfig));
_lockedFlake = make_ref<flake::LockedFlake>(lockFlake(flakeSettings, *state, flakeRef, lockFlagsApplyConfig));
}
return _lockedFlake;
// _lockedFlake is now non-null but still just a shared_ptr
return ref<flake::LockedFlake>(_lockedFlake);
}
FlakeRef InstallableFlake::nixpkgsFlakeRef() const

3
src/libcmd/installables.cc
View file

@ -342,8 +342,7 @@ void completeFlakeRefWithFragment(
parseFlakeRef(fetchSettings, expandTilde(flakeRefS), std::filesystem::current_path().string());
auto evalCache = openEvalCache(
*evalState,
std::make_shared<flake::LockedFlake>(lockFlake(flakeSettings, *evalState, flakeRef, lockFlags)));
*evalState, make_ref<flake::LockedFlake>(lockFlake(flakeSettings, *evalState, flakeRef, lockFlags)));
auto root = evalCache->getRoot();

2
src/libflake/flake.cc
View file

@ -954,7 +954,7 @@ std::optional<Fingerprint> LockedFlake::getFingerprint(ref<Store> store, const f
Flake::~Flake() {}
ref<eval_cache::EvalCache> openEvalCache(EvalState & state, std::shared_ptr<LockedFlake> lockedFlake)
ref<eval_cache::EvalCache> openEvalCache(EvalState & state, ref<LockedFlake> lockedFlake)
{
auto fingerprint = state.settings.useEvalCache && state.settings.pureEval
? lockedFlake->getFingerprint(state.store, state.fetchSettings)

2
src/libflake/include/nix/flake/flake.hh
View file

@ -222,7 +222,7 @@ void callFlake(EvalState & state, const LockedFlake & lockedFlake, Value & v);
/**
* Open an evaluation cache for a flake.
*/
ref<eval_cache::EvalCache> openEvalCache(EvalState & state, std::shared_ptr<LockedFlake> lockedFlake);
ref<eval_cache::EvalCache> openEvalCache(EvalState & state, ref<LockedFlake> lockedFlake);
} // namespace flake

4
src/nix/flake.cc
View file

@ -1155,7 +1155,7 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
evalSettings.enableImportFromDerivation.setDefault(false);
auto state = getEvalState();
auto flake = std::make_shared<LockedFlake>(lockFlake());
auto flake = make_ref<LockedFlake>(lockFlake());
auto localSystem = std::string(settings.thisSystem.get());
std::function<bool(eval_cache::AttrCursor & visitor, const std::vector<Symbol> & attrPath, const Symbol & attr)>
@ -1443,7 +1443,7 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
return j;
};
auto cache = openEvalCache(*state, flake);
auto cache = openEvalCache(*state, ref<flake::LockedFlake>(flake));
auto j = visit(*cache->getRoot(), {}, fmt(ANSI_BOLD "%s" ANSI_NORMAL, flake->flake.lockedRef), "");
if (json)