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resolveFlake -> lockFlake

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"resolve" is ambiguous (also used for registry resolution).
This commit is contained in:
Eelco Dolstra 2020-01-22 20:59:59 +01:00
parent b5c9dbc84f
commit 872a22fa23
5 changed files with 36 additions and 40 deletions
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20
src/libexpr/flake/flake.cc
View file

@ -302,7 +302,10 @@ static std::pair<Flake, LockedInput> updateLocks(
/* Compute an in-memory lockfile for the specified top-level flake,
and optionally write it to file, it the flake is writable. */
ResolvedFlake resolveFlake(EvalState & state, const FlakeRef & topRef, HandleLockFile handleLockFile)
LockedFlake lockFlake(
EvalState & state,
const FlakeRef & topRef,
HandleLockFile handleLockFile)
{
settings.requireExperimentalFeature("flakes");
@ -356,12 +359,7 @@ ResolvedFlake resolveFlake(EvalState & state, const FlakeRef & topRef, HandleLoc
warn("using updated lock file without writing it to file");
}
return ResolvedFlake { .flake = std::move(flake), .lockFile = std::move(lockFile) };
}
void updateLockFile(EvalState & state, const FlakeRef & flakeRef, bool recreateLockFile)
{
resolveFlake(state, flakeRef, recreateLockFile ? RecreateLockFile : UpdateLockFile);
return LockedFlake { .flake = std::move(flake), .lockFile = std::move(lockFile) };
}
static void emitSourceInfoAttrs(EvalState & state, const fetchers::Tree & sourceInfo, Value & vAttrs)
@ -480,16 +478,16 @@ void callFlake(EvalState & state,
}
void callFlake(EvalState & state,
const ResolvedFlake & resFlake,
const LockedFlake & lockedFlake,
Value & v)
{
callFlake(state, resFlake.flake, resFlake.lockFile, v);
callFlake(state, lockedFlake.flake, lockedFlake.lockFile, v);
}
// This function is exposed to be used in nix files.
static void prim_getFlake(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
callFlake(state, resolveFlake(state, parseFlakeRef(state.forceStringNoCtx(*args[0], pos)),
callFlake(state, lockFlake(state, parseFlakeRef(state.forceStringNoCtx(*args[0], pos)),
evalSettings.pureEval ? AllPure : UseUpdatedLockFile), v);
}
@ -497,7 +495,7 @@ static RegisterPrimOp r2("getFlake", 1, prim_getFlake);
}
Fingerprint ResolvedFlake::getFingerprint() const
Fingerprint LockedFlake::getFingerprint() const
{
// FIXME: as an optimization, if the flake contains a lock file
// and we haven't changed it, then it's sufficient to use

8
src/libexpr/flake/flake.hh
View file

@ -46,7 +46,7 @@ Flake getFlake(EvalState & state, const FlakeRef & flakeRef, bool allowLookup);
/* Fingerprint of a locked flake; used as a cache key. */
typedef Hash Fingerprint;
struct ResolvedFlake
struct LockedFlake
{
Flake flake;
LockFile lockFile;
@ -54,7 +54,7 @@ struct ResolvedFlake
Fingerprint getFingerprint() const;
};
ResolvedFlake resolveFlake(EvalState &, const FlakeRef &, HandleLockFile);
LockedFlake lockFlake(EvalState &, const FlakeRef &, HandleLockFile);
void callFlake(EvalState & state,
const Flake & flake,
@ -62,11 +62,9 @@ void callFlake(EvalState & state,
Value & v);
void callFlake(EvalState & state,
const ResolvedFlake & resFlake,
const LockedFlake & resFlake,
Value & v);
void updateLockFile(EvalState &, const FlakeRef & flakeRef, bool recreateLockFile);
}
}

18
src/nix/flake.cc
View file

@ -41,9 +41,9 @@ public:
return flake::getFlake(*evalState, getFlakeRef(), useRegistries);
}
ResolvedFlake resolveFlake()
LockedFlake lockFlake()
{
return flake::resolveFlake(*getEvalState(), getFlakeRef(), getLockFileMode());
return flake::lockFlake(*getEvalState(), getFlakeRef(), getLockFileMode());
}
};
@ -122,16 +122,16 @@ struct CmdFlakeDeps : FlakeCommand
{
auto evalState = getEvalState();
std::queue<ResolvedFlake> todo;
todo.push(resolveFlake());
std::queue<LockedFlake> todo;
todo.push(lockFlake());
stopProgressBar();
while (!todo.empty()) {
auto resFlake = std::move(todo.front());
auto lockedFlake = std::move(todo.front());
todo.pop();
for (auto & info : resFlake.flakeDeps) {
for (auto & info : lockedFlake.flakeDeps) {
printFlakeInfo(*store, info.second.flake);
todo.push(info.second);
}
@ -150,7 +150,7 @@ struct CmdFlakeUpdate : FlakeCommand
void run(nix::ref<nix::Store> store) override
{
auto evalState = getEvalState();
resolveFlake();
lockFlake();
}
};
@ -179,7 +179,7 @@ struct CmdFlakeInfo : FlakeCommand, MixJSON
{
if (json) {
auto state = getEvalState();
auto flake = resolveFlake();
auto flake = lockFlake();
auto json = flakeToJson(*store, flake.flake);
@ -235,7 +235,7 @@ struct CmdFlakeCheck : FlakeCommand, MixJSON
settings.readOnlyMode = !build;
auto state = getEvalState();
auto flake = resolveFlake();
auto flake = lockFlake();
auto checkSystemName = [&](const std::string & system, const Pos & pos) {
// FIXME: what's the format of "system"?

28
src/nix/installables.cc
View file

@ -240,7 +240,7 @@ struct InstallableAttrPath : InstallableValue
void makeFlakeClosureGCRoot(Store & store,
const FlakeRef & origFlakeRef,
const flake::ResolvedFlake & resFlake)
const flake::LockedFlake & lockedFlake)
{
#if 0
if (std::get_if<FlakeRef::IsPath>(&origFlakeRef.data)) return;
@ -248,11 +248,11 @@ void makeFlakeClosureGCRoot(Store & store,
/* Get the store paths of all non-local flakes. */
StorePathSet closure;
assert(store.isValidPath(store.parseStorePath(resFlake.flake.sourceInfo.storePath)));
closure.insert(store.parseStorePath(resFlake.flake.sourceInfo.storePath));
assert(store.isValidPath(store.parseStorePath(lockedFlake.flake.sourceInfo.storePath)));
closure.insert(store.parseStorePath(lockedFlake.flake.sourceInfo.storePath));
std::queue<std::reference_wrapper<const flake::LockedInputs>> queue;
queue.push(resFlake.lockFile);
queue.push(lockedFlake.lockFile);
while (!queue.empty()) {
const flake::LockedInputs & flake = queue.front();
@ -301,13 +301,13 @@ std::vector<std::string> InstallableFlake::getActualAttrPaths()
return res;
}
Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::ResolvedFlake & resFlake)
Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::LockedFlake & lockedFlake)
{
auto vFlake = state.allocValue();
callFlake(state, resFlake, *vFlake);
callFlake(state, lockedFlake, *vFlake);
makeFlakeClosureGCRoot(*state.store, flakeRef, resFlake);
makeFlakeClosureGCRoot(*state.store, flakeRef, lockedFlake);
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
assert(aOutputs);
@ -321,7 +321,7 @@ std::tuple<std::string, FlakeRef, flake::EvalCache::Derivation> InstallableFlake
{
auto state = cmd.getEvalState();
auto resFlake = resolveFlake(*state, flakeRef, cmd.getLockFileMode());
auto lockedFlake = lockFlake(*state, flakeRef, cmd.getLockFileMode());
Value * vOutputs = nullptr;
@ -329,17 +329,17 @@ std::tuple<std::string, FlakeRef, flake::EvalCache::Derivation> InstallableFlake
auto & evalCache = flake::EvalCache::singleton();
auto fingerprint = resFlake.getFingerprint();
auto fingerprint = lockedFlake.getFingerprint();
for (auto & attrPath : getActualAttrPaths()) {
auto drv = evalCache.getDerivation(fingerprint, attrPath);
if (drv) {
if (state->store->isValidPath(drv->drvPath))
return {attrPath, resFlake.flake.resolvedRef, std::move(*drv)};
return {attrPath, lockedFlake.flake.resolvedRef, std::move(*drv)};
}
if (!vOutputs)
vOutputs = getFlakeOutputs(*state, resFlake);
vOutputs = getFlakeOutputs(*state, lockedFlake);
try {
auto * v = findAlongAttrPath(*state, attrPath, *emptyArgs, *vOutputs);
@ -357,7 +357,7 @@ std::tuple<std::string, FlakeRef, flake::EvalCache::Derivation> InstallableFlake
evalCache.addDerivation(fingerprint, attrPath, drv);
return {attrPath, resFlake.flake.resolvedRef, std::move(drv)};
return {attrPath, lockedFlake.flake.resolvedRef, std::move(drv)};
} catch (AttrPathNotFound & e) {
}
}
@ -375,9 +375,9 @@ std::vector<flake::EvalCache::Derivation> InstallableFlake::toDerivations()
Value * InstallableFlake::toValue(EvalState & state)
{
auto resFlake = resolveFlake(state, flakeRef, cmd.getLockFileMode());
auto lockedFlake = lockFlake(state, flakeRef, cmd.getLockFileMode());
auto vOutputs = getFlakeOutputs(state, resFlake);
auto vOutputs = getFlakeOutputs(state, lockedFlake);
auto emptyArgs = state.allocBindings(0);

2
src/nix/installables.hh
View file

@ -85,7 +85,7 @@ struct InstallableFlake : InstallableValue
std::vector<std::string> getActualAttrPaths();
Value * getFlakeOutputs(EvalState & state, const flake::ResolvedFlake & resFlake);
Value * getFlakeOutputs(EvalState & state, const flake::LockedFlake & lockedFlake);
std::tuple<std::string, FlakeRef, flake::EvalCache::Derivation> toDerivation();