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Merge pull request #4594 from obsidiansystems/lots-of-buildable

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Use `DerivedPath` for `buildPaths` and `ensurePath`
This commit is contained in:
Eelco Dolstra 2021-04-05 21:12:06 +02:00 committed by GitHub
parent a07dc7e0d9 125a824228
commit 4bf3eb27e6
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
39 changed files with 613 additions and 263 deletions
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8
src/libcmd/command.cc
View file

@ -162,7 +162,7 @@ void MixProfile::updateProfile(const StorePath & storePath)
profile2, storePath));
}
void MixProfile::updateProfile(const Buildables & buildables)
void MixProfile::updateProfile(const DerivedPathsWithHints & buildables)
{
if (!profile) return;
@ -170,10 +170,10 @@ void MixProfile::updateProfile(const Buildables & buildables)
for (auto & buildable : buildables) {
std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPathWithHints::Opaque bo) {
result.push_back(bo.path);
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
for (auto & output : bfd.outputs) {
/* Output path should be known because we just tried to
build it. */
@ -181,7 +181,7 @@ void MixProfile::updateProfile(const Buildables & buildables)
result.push_back(*output.second);
}
},
}, buildable);
}, buildable.raw());
}
if (result.size() != 1)

4
src/libcmd/command.hh
View file

@ -216,7 +216,7 @@ static RegisterCommand registerCommand2(std::vector<std::string> && name)
return RegisterCommand(std::move(name), [](){ return make_ref<T>(); });
}
Buildables build(ref<Store> store, Realise mode,
DerivedPathsWithHints build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode = bmNormal);
std::set<StorePath> toStorePaths(ref<Store> store,
@ -252,7 +252,7 @@ struct MixProfile : virtual StoreCommand
/* If 'profile' is set, make it point at the store path produced
by 'buildables'. */
void updateProfile(const Buildables & buildables);
void updateProfile(const DerivedPathsWithHints & buildables);
};
struct MixDefaultProfile : MixProfile

78
src/libcmd/installables.cc
View file

@ -20,31 +20,6 @@
namespace nix {
nlohmann::json BuildableOpaque::toJSON(ref<Store> store) const {
nlohmann::json res;
res["path"] = store->printStorePath(path);
return res;
}
nlohmann::json BuildableFromDrv::toJSON(ref<Store> store) const {
nlohmann::json res;
res["drvPath"] = store->printStorePath(drvPath);
for (const auto& [output, path] : outputs) {
res["outputs"][output] = path ? store->printStorePath(*path) : "";
}
return res;
}
nlohmann::json buildablesToJSON(const Buildables & buildables, ref<Store> store) {
auto res = nlohmann::json::array();
for (const Buildable & buildable : buildables) {
std::visit([&res, store](const auto & buildable) {
res.push_back(buildable.toJSON(store));
}, buildable);
}
return res;
}
void completeFlakeInputPath(
ref<EvalState> evalState,
const FlakeRef & flakeRef,
@ -310,9 +285,9 @@ void completeFlakeRef(ref<Store> store, std::string_view prefix)
}
}
Buildable Installable::toBuildable()
DerivedPathWithHints Installable::toDerivedPathWithHints()
{
auto buildables = toBuildables();
auto buildables = toDerivedPathsWithHints();
if (buildables.size() != 1)
throw Error("installable '%s' evaluates to %d derivations, where only one is expected", what(), buildables.size());
return std::move(buildables[0]);
@ -346,7 +321,7 @@ struct InstallableStorePath : Installable
std::string what() override { return store->printStorePath(storePath); }
Buildables toBuildables() override
DerivedPathsWithHints toDerivedPathsWithHints() override
{
if (storePath.isDerivation()) {
std::map<std::string, std::optional<StorePath>> outputs;
@ -354,14 +329,14 @@ struct InstallableStorePath : Installable
for (auto & [name, output] : drv.outputsAndOptPaths(*store))
outputs.emplace(name, output.second);
return {
BuildableFromDrv {
DerivedPathWithHints::Built {
.drvPath = storePath,
.outputs = std::move(outputs)
}
};
} else {
return {
BuildableOpaque {
DerivedPathWithHints::Opaque {
.path = storePath,
}
};
@ -374,9 +349,9 @@ struct InstallableStorePath : Installable
}
};
Buildables InstallableValue::toBuildables()
DerivedPathsWithHints InstallableValue::toDerivedPathsWithHints()
{
Buildables res;
DerivedPathsWithHints res;
std::map<StorePath, std::map<std::string, std::optional<StorePath>>> drvsToOutputs;
@ -389,7 +364,7 @@ Buildables InstallableValue::toBuildables()
}
for (auto & i : drvsToOutputs)
res.push_back(BuildableFromDrv { i.first, i.second });
res.push_back(DerivedPathWithHints::Built { i.first, i.second });
return res;
}
@ -696,29 +671,30 @@ std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
return installables.front();
}
Buildables build(ref<Store> store, Realise mode,
DerivedPathsWithHints build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode)
{
if (mode == Realise::Nothing)
settings.readOnlyMode = true;
Buildables buildables;
DerivedPathsWithHints buildables;
std::vector<StorePathWithOutputs> pathsToBuild;
std::vector<DerivedPath> pathsToBuild;
for (auto & i : installables) {
for (auto & b : i->toBuildables()) {
for (auto & b : i->toDerivedPathsWithHints()) {
std::visit(overloaded {
[&](BuildableOpaque bo) {
pathsToBuild.push_back({bo.path});
[&](DerivedPathWithHints::Opaque bo) {
pathsToBuild.push_back(bo);
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
StringSet outputNames;
for (auto & output : bfd.outputs)
outputNames.insert(output.first);
pathsToBuild.push_back({bfd.drvPath, outputNames});
pathsToBuild.push_back(
DerivedPath::Built{bfd.drvPath, outputNames});
},
}, b);
}, b.raw());
buildables.push_back(std::move(b));
}
}
@ -741,10 +717,10 @@ std::set<RealisedPath> toRealisedPaths(
if (operateOn == OperateOn::Output) {
for (auto & b : build(store, mode, installables))
std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPathWithHints::Opaque bo) {
res.insert(bo.path);
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
auto drv = store->readDerivation(bfd.drvPath);
auto outputHashes = staticOutputHashes(*store, drv);
for (auto & output : bfd.outputs) {
@ -769,14 +745,14 @@ std::set<RealisedPath> toRealisedPaths(
}
}
},
}, b);
}, b.raw());
} else {
if (mode == Realise::Nothing)
settings.readOnlyMode = true;
for (auto & i : installables)
for (auto & b : i->toBuildables())
if (auto bfd = std::get_if<BuildableFromDrv>(&b))
for (auto & b : i->toDerivedPathsWithHints())
if (auto bfd = std::get_if<DerivedPathWithHints::Built>(&b))
res.insert(bfd->drvPath);
}
@ -811,9 +787,9 @@ StorePathSet toDerivations(ref<Store> store,
StorePathSet drvPaths;
for (auto & i : installables)
for (auto & b : i->toBuildables())
for (auto & b : i->toDerivedPathsWithHints())
std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPathWithHints::Opaque bo) {
if (!useDeriver)
throw Error("argument '%s' did not evaluate to a derivation", i->what());
auto derivers = store->queryValidDerivers(bo.path);
@ -822,10 +798,10 @@ StorePathSet toDerivations(ref<Store> store,
// FIXME: use all derivers?
drvPaths.insert(*derivers.begin());
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
drvPaths.insert(bfd.drvPath);
},
}, b);
}, b.raw());
return drvPaths;
}

29
src/libcmd/installables.hh
View file

@ -2,13 +2,13 @@
#include "util.hh"
#include "path.hh"
#include "path-with-outputs.hh"
#include "derived-path.hh"
#include "eval.hh"
#include "flake/flake.hh"
#include <optional>
#include <nlohmann/json_fwd.hpp>
namespace nix {
struct DrvInfo;
@ -16,25 +16,6 @@ struct SourceExprCommand;
namespace eval_cache { class EvalCache; class AttrCursor; }
struct BuildableOpaque {
StorePath path;
nlohmann::json toJSON(ref<Store> store) const;
};
struct BuildableFromDrv {
StorePath drvPath;
std::map<std::string, std::optional<StorePath>> outputs;
nlohmann::json toJSON(ref<Store> store) const;
};
typedef std::variant<
BuildableOpaque,
BuildableFromDrv
> Buildable;
typedef std::vector<Buildable> Buildables;
nlohmann::json buildablesToJSON(const Buildables & buildables, ref<Store> store);
struct App
{
std::vector<StorePathWithOutputs> context;
@ -48,9 +29,9 @@ struct Installable
virtual std::string what() = 0;
virtual Buildables toBuildables() = 0;
virtual DerivedPathsWithHints toDerivedPathsWithHints() = 0;
Buildable toBuildable();
DerivedPathWithHints toDerivedPathWithHints();
App toApp(EvalState & state);
@ -93,7 +74,7 @@ struct InstallableValue : Installable
virtual std::vector<DerivationInfo> toDerivations() = 0;
Buildables toBuildables() override;
DerivedPathsWithHints toDerivedPathsWithHints() override;
};
struct InstallableFlake : InstallableValue

3
src/libexpr/get-drvs.cc
View file

@ -2,6 +2,7 @@
#include "util.hh"
#include "eval-inline.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include <cstring>
#include <regex>
@ -19,7 +20,7 @@ DrvInfo::DrvInfo(EvalState & state, const string & attrPath, Bindings * attrs)
DrvInfo::DrvInfo(EvalState & state, ref<Store> store, const std::string & drvPathWithOutputs)
: state(&state), attrs(nullptr), attrPath("")
{
auto [drvPath, selectedOutputs] = store->parsePathWithOutputs(drvPathWithOutputs);
auto [drvPath, selectedOutputs] = parsePathWithOutputs(*store, drvPathWithOutputs);
this->drvPath = store->printStorePath(drvPath);

12
src/libexpr/primops.cc
View file

@ -35,7 +35,7 @@ InvalidPathError::InvalidPathError(const Path & path) :
void EvalState::realiseContext(const PathSet & context)
{
std::vector<StorePathWithOutputs> drvs;
std::vector<DerivedPath::Built> drvs;
for (auto & i : context) {
auto [ctxS, outputName] = decodeContext(i);
@ -43,7 +43,7 @@ void EvalState::realiseContext(const PathSet & context)
if (!store->isValidPath(ctx))
throw InvalidPathError(store->printStorePath(ctx));
if (!outputName.empty() && ctx.isDerivation()) {
drvs.push_back(StorePathWithOutputs{ctx, {outputName}});
drvs.push_back({ctx, {outputName}});
}
}
@ -51,14 +51,16 @@ void EvalState::realiseContext(const PathSet & context)
if (!evalSettings.enableImportFromDerivation)
throw EvalError("attempted to realize '%1%' during evaluation but 'allow-import-from-derivation' is false",
store->printStorePath(drvs.begin()->path));
store->printStorePath(drvs.begin()->drvPath));
/* For performance, prefetch all substitute info. */
StorePathSet willBuild, willSubstitute, unknown;
uint64_t downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
std::vector<DerivedPath> buildReqs;
for (auto & d : drvs) buildReqs.emplace_back(DerivedPath { d });
store->queryMissing(buildReqs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
store->buildPaths(buildReqs);
/* Add the output of this derivations to the allowed
paths. */

2
src/libmain/shared.cc
View file

@ -36,7 +36,7 @@ void printGCWarning()
}
void printMissing(ref<Store> store, const std::vector<StorePathWithOutputs> & paths, Verbosity lvl)
void printMissing(ref<Store> store, const std::vector<DerivedPath> & paths, Verbosity lvl)
{
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;

3
src/libmain/shared.hh
View file

@ -4,6 +4,7 @@
#include "args.hh"
#include "common-args.hh"
#include "path.hh"
#include "derived-path.hh"
#include <signal.h>
@ -42,7 +43,7 @@ struct StorePathWithOutputs;
void printMissing(
ref<Store> store,
const std::vector<StorePathWithOutputs> & paths,
const std::vector<DerivedPath> & paths,
Verbosity lvl = lvlInfo);
void printMissing(ref<Store> store, const StorePathSet & willBuild,

4
src/libstore/build/derivation-goal.cc
View file

@ -73,7 +73,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
state = &DerivationGoal::getDerivation;
name = fmt(
"building of '%s' from .drv file",
StorePathWithOutputs { drvPath, wantedOutputs }.to_string(worker.store));
DerivedPath::Built { drvPath, wantedOutputs }.to_string(worker.store));
trace("created");
mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
@ -94,7 +94,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation
state = &DerivationGoal::haveDerivation;
name = fmt(
"building of '%s' from in-memory derivation",
StorePathWithOutputs { drvPath, drv.outputNames() }.to_string(worker.store));
DerivedPath::Built { drvPath, drv.outputNames() }.to_string(worker.store));
trace("created");
mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);

16
src/libstore/build/entry-points.cc
View file

@ -6,16 +6,20 @@
namespace nix {
void Store::buildPaths(const std::vector<StorePathWithOutputs> & drvPaths, BuildMode buildMode)
void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMode)
{
Worker worker(*this);
Goals goals;
for (auto & path : drvPaths) {
if (path.path.isDerivation())
goals.insert(worker.makeDerivationGoal(path.path, path.outputs, buildMode));
else
goals.insert(worker.makePathSubstitutionGoal(path.path, buildMode == bmRepair ? Repair : NoRepair));
for (auto & br : reqs) {
std::visit(overloaded {
[&](DerivedPath::Built bfd) {
goals.insert(worker.makeDerivationGoal(bfd.drvPath, bfd.outputs, buildMode));
},
[&](DerivedPath::Opaque bo) {
goals.insert(worker.makePathSubstitutionGoal(bo.path, buildMode == bmRepair ? Repair : NoRepair));
},
}, br.raw());
}
worker.run(goals);

52
src/libstore/build/local-derivation-goal.cc
View file

@ -1190,6 +1190,26 @@ void LocalDerivationGoal::writeStructuredAttrs()
chownToBuilder(tmpDir + "/.attrs.sh");
}
static StorePath pathPartOfReq(const DerivedPath & req)
{
return std::visit(overloaded {
[&](DerivedPath::Opaque bo) {
return bo.path;
},
[&](DerivedPath::Built bfd) {
return bfd.drvPath;
},
}, req.raw());
}
bool LocalDerivationGoal::isAllowed(const DerivedPath & req)
{
return this->isAllowed(pathPartOfReq(req));
}
struct RestrictedStoreConfig : virtual LocalFSStoreConfig
{
using LocalFSStoreConfig::LocalFSStoreConfig;
@ -1312,25 +1332,27 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
// an allowed derivation
{ throw Error("queryRealisation"); }
void buildPaths(const std::vector<StorePathWithOutputs> & paths, BuildMode buildMode) override
void buildPaths(const std::vector<DerivedPath> & paths, BuildMode buildMode) override
{
if (buildMode != bmNormal) throw Error("unsupported build mode");
StorePathSet newPaths;
for (auto & path : paths) {
if (!goal.isAllowed(path.path))
throw InvalidPath("cannot build unknown path '%s' in recursive Nix", printStorePath(path.path));
for (auto & req : paths) {
if (!goal.isAllowed(req))
throw InvalidPath("cannot build '%s' in recursive Nix because path is unknown", req.to_string(*next));
}
next->buildPaths(paths, buildMode);
for (auto & path : paths) {
if (!path.path.isDerivation()) continue;
auto outputs = next->queryDerivationOutputMap(path.path);
for (auto & output : outputs)
if (wantOutput(output.first, path.outputs))
newPaths.insert(output.second);
auto p = std::get_if<DerivedPath::Built>(&path);
if (!p) continue;
auto & bfd = *p;
auto outputs = next->queryDerivationOutputMap(bfd.drvPath);
for (auto & [outputName, outputPath] : outputs)
if (wantOutput(outputName, bfd.outputs))
newPaths.insert(outputPath);
}
StorePathSet closure;
@ -1358,7 +1380,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
void addSignatures(const StorePath & storePath, const StringSet & sigs) override
{ unsupported("addSignatures"); }
void queryMissing(const std::vector<StorePathWithOutputs> & targets,
void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize) override
{
@ -1366,12 +1388,12 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
client about what paths will be built/substituted or are
already present. Probably not a big deal. */
std::vector<StorePathWithOutputs> allowed;
for (auto & path : targets) {
if (goal.isAllowed(path.path))
allowed.emplace_back(path);
std::vector<DerivedPath> allowed;
for (auto & req : targets) {
if (goal.isAllowed(req))
allowed.emplace_back(req);
else
unknown.insert(path.path);
unknown.insert(pathPartOfReq(req));
}
next->queryMissing(allowed, willBuild, willSubstitute,

1
src/libstore/build/local-derivation-goal.hh
View file

@ -116,6 +116,7 @@ struct LocalDerivationGoal : public DerivationGoal
{
return inputPaths.count(path) || addedPaths.count(path);
}
bool isAllowed(const DerivedPath & req);
friend struct RestrictedStore;

6
src/libstore/build/worker.cc
View file

@ -226,14 +226,14 @@ void Worker::waitForAWhile(GoalPtr goal)
void Worker::run(const Goals & _topGoals)
{
std::vector<nix::StorePathWithOutputs> topPaths;
std::vector<nix::DerivedPath> topPaths;
for (auto & i : _topGoals) {
topGoals.insert(i);
if (auto goal = dynamic_cast<DerivationGoal *>(i.get())) {
topPaths.push_back({goal->drvPath, goal->wantedOutputs});
topPaths.push_back(DerivedPath::Built{goal->drvPath, goal->wantedOutputs});
} else if (auto goal = dynamic_cast<PathSubstitutionGoal *>(i.get())) {
topPaths.push_back({goal->storePath});
topPaths.push_back(DerivedPath::Opaque{goal->storePath});
}
}

21
src/libstore/daemon.cc
View file

@ -2,6 +2,7 @@
#include "monitor-fd.hh"
#include "worker-protocol.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "finally.hh"
#include "affinity.hh"
#include "archive.hh"
@ -259,6 +260,18 @@ static void writeValidPathInfo(
}
}
static std::vector<DerivedPath> readDerivedPaths(Store & store, unsigned int clientVersion, Source & from)
{
std::vector<DerivedPath> reqs;
if (GET_PROTOCOL_MINOR(clientVersion) >= 29) {
reqs = worker_proto::read(store, from, Phantom<std::vector<DerivedPath>> {});
} else {
for (auto & s : readStrings<Strings>(from))
reqs.push_back(parsePathWithOutputs(store, s).toDerivedPath());
}
return reqs;
}
static void performOp(TunnelLogger * logger, ref<Store> store,
TrustedFlag trusted, RecursiveFlag recursive, unsigned int clientVersion,
Source & from, BufferedSink & to, unsigned int op)
@ -493,9 +506,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopBuildPaths: {
std::vector<StorePathWithOutputs> drvs;
for (auto & s : readStrings<Strings>(from))
drvs.push_back(store->parsePathWithOutputs(s));
auto drvs = readDerivedPaths(*store, clientVersion, from);
BuildMode mode = bmNormal;
if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
mode = (BuildMode) readInt(from);
@ -859,9 +870,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopQueryMissing: {
std::vector<StorePathWithOutputs> targets;
for (auto & s : readStrings<Strings>(from))
targets.push_back(store->parsePathWithOutputs(s));
auto targets = readDerivedPaths(*store, clientVersion, from);
logger->startWork();
StorePathSet willBuild, willSubstitute, unknown;
uint64_t downloadSize, narSize;

8
src/libstore/derivations.cc
View file

@ -590,14 +590,6 @@ std::map<std::string, Hash> staticOutputHashes(Store& store, const Derivation& d
}
std::string StorePathWithOutputs::to_string(const Store & store) const
{
return outputs.empty()
? store.printStorePath(path)
: store.printStorePath(path) + "!" + concatStringsSep(",", outputs);
}
bool wantOutput(const string & output, const std::set<string> & wanted)
{
return wanted.empty() || wanted.find(output) != wanted.end();

77
src/libstore/derived-path.cc Normal file
View file

@ -0,0 +1,77 @@
#include "derived-path.hh"
#include "store-api.hh"
#include <nlohmann/json.hpp>
namespace nix {
nlohmann::json DerivedPath::Opaque::toJSON(ref<Store> store) const {
nlohmann::json res;
res["path"] = store->printStorePath(path);
return res;
}
nlohmann::json DerivedPathWithHints::Built::toJSON(ref<Store> store) const {
nlohmann::json res;
res["drvPath"] = store->printStorePath(drvPath);
for (const auto& [output, path] : outputs) {
res["outputs"][output] = path ? store->printStorePath(*path) : "";
}
return res;
}
nlohmann::json derivedPathsWithHintsToJSON(const DerivedPathsWithHints & buildables, ref<Store> store) {
auto res = nlohmann::json::array();
for (const DerivedPathWithHints & buildable : buildables) {
std::visit([&res, store](const auto & buildable) {
res.push_back(buildable.toJSON(store));
}, buildable.raw());
}
return res;
}
std::string DerivedPath::Opaque::to_string(const Store & store) const {
return store.printStorePath(path);
}
std::string DerivedPath::Built::to_string(const Store & store) const {
return store.printStorePath(drvPath)
+ "!"
+ (outputs.empty() ? std::string { "*" } : concatStringsSep(",", outputs));
}
std::string DerivedPath::to_string(const Store & store) const
{
return std::visit(
[&](const auto & req) { return req.to_string(store); },
this->raw());
}
DerivedPath::Opaque DerivedPath::Opaque::parse(const Store & store, std::string_view s)
{
return {store.parseStorePath(s)};
}
DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
assert(n != s.npos);
auto drvPath = store.parseStorePath(s.substr(0, n));
auto outputsS = s.substr(n + 1);
std::set<string> outputs;
if (outputsS != "*")
outputs = tokenizeString<std::set<string>>(outputsS);
return {drvPath, outputs};
}
DerivedPath DerivedPath::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? (DerivedPath) DerivedPath::Opaque::parse(store, s)
: (DerivedPath) DerivedPath::Built::parse(store, s);
}
}

129
src/libstore/derived-path.hh Normal file
View file

@ -0,0 +1,129 @@
#pragma once
#include "util.hh"
#include "path.hh"
#include <optional>
#include <nlohmann/json_fwd.hpp>
namespace nix {
class Store;
/**
* An opaque derived path.
*
* Opaque derived paths are just store paths, and fully evaluated. They
* cannot be simplified further. Since they are opaque, they cannot be
* built, but they can fetched.
*/
struct DerivedPathOpaque {
StorePath path;
nlohmann::json toJSON(ref<Store> store) const;
std::string to_string(const Store & store) const;
static DerivedPathOpaque parse(const Store & store, std::string_view);
};
/**
* A derived path that is built from a derivation
*
* Built derived paths are pair of a derivation and some output names.
* They are evaluated by building the derivation, and then replacing the
* output names with the resulting outputs.
*
* Note that does mean a derived store paths evaluates to multiple
* opaque paths, which is sort of icky as expressions are supposed to
* evaluate to single values. Perhaps this should have just a single
* output name.
*/
struct DerivedPathBuilt {
StorePath drvPath;
std::set<std::string> outputs;
std::string to_string(const Store & store) const;
static DerivedPathBuilt parse(const Store & store, std::string_view);
};
using _DerivedPathRaw = std::variant<
DerivedPathOpaque,
DerivedPathBuilt
>;
/**
* A "derived path" is a very simple sort of expression that evaluates
* to (concrete) store path. It is either:
*
* - opaque, in which case it is just a concrete store path with
* possibly no known derivation
*
* - built, in which case it is a pair of a derivation path and an
* output name.
*/
struct DerivedPath : _DerivedPathRaw {
using Raw = _DerivedPathRaw;
using Raw::Raw;
using Opaque = DerivedPathOpaque;
using Built = DerivedPathBuilt;
inline const Raw & raw() const {
return static_cast<const Raw &>(*this);
}
std::string to_string(const Store & store) const;
static DerivedPath parse(const Store & store, std::string_view);
};
/**
* A built derived path with hints in the form of optional concrete output paths.
*
* See 'DerivedPathWithHints' for more an explanation.
*/
struct DerivedPathWithHintsBuilt {
StorePath drvPath;
std::map<std::string, std::optional<StorePath>> outputs;
nlohmann::json toJSON(ref<Store> store) const;
static DerivedPathWithHintsBuilt parse(const Store & store, std::string_view);
};
using _DerivedPathWithHintsRaw = std::variant<
DerivedPath::Opaque,
DerivedPathWithHintsBuilt
>;
/**
* A derived path with hints in the form of optional concrete output paths in the built case.
*
* This type is currently just used by the CLI. The paths are filled in
* during evaluation for derivations that know what paths they will
* produce in advanced, i.e. input-addressed or fixed-output content
* addressed derivations.
*
* That isn't very good, because it puts floating content-addressed
* derivations "at a disadvantage". It would be better to never rely on
* the output path of unbuilt derivations, and exclusively use the
* realizations types to work with built derivations' concrete output
* paths.
*/
// FIXME Stop using and delete this, or if that is not possible move out of libstore to libcmd.
struct DerivedPathWithHints : _DerivedPathWithHintsRaw {
using Raw = _DerivedPathWithHintsRaw;
using Raw::Raw;
using Opaque = DerivedPathOpaque;
using Built = DerivedPathWithHintsBuilt;
inline const Raw & raw() const {
return static_cast<const Raw &>(*this);
}
};
typedef std::vector<DerivedPathWithHints> DerivedPathsWithHints;
nlohmann::json derivedPathsWithHintsToJSON(const DerivedPathsWithHints & buildables, ref<Store> store);
}

16
src/libstore/legacy-ssh-store.cc
View file

@ -3,6 +3,7 @@
#include "remote-store.hh"
#include "serve-protocol.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "worker-protocol.hh"
#include "ssh.hh"
#include "derivations.hh"
@ -266,14 +267,23 @@ public:
return status;
}
void buildPaths(const std::vector<StorePathWithOutputs> & drvPaths, BuildMode buildMode) override
void buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode) override
{
auto conn(connections->get());
conn->to << cmdBuildPaths;
Strings ss;
for (auto & p : drvPaths)
ss.push_back(p.to_string(*this));
for (auto & p : drvPaths) {
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
std::visit(overloaded {
[&](StorePathWithOutputs s) {
ss.push_back(s.to_string(*this));
},
[&](StorePath drvPath) {
throw Error("wanted to fetch '%s' but the legacy ssh protocol doesn't support merely substituting drv files via the build paths command. It would build them instead. Try using ssh-ng://", printStorePath(drvPath));
},
}, sOrDrvPath);
}
conn->to << ss;
putBuildSettings(*conn);

49
src/libstore/misc.cc
View file

@ -117,7 +117,7 @@ std::optional<ContentAddress> getDerivationCA(const BasicDerivation & drv)
return std::nullopt;
}
void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
void Store::queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild_, StorePathSet & willSubstitute_, StorePathSet & unknown_,
uint64_t & downloadSize_, uint64_t & narSize_)
{
@ -145,7 +145,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
Sync<State> state_(State{{}, unknown_, willSubstitute_, willBuild_, downloadSize_, narSize_});
std::function<void(StorePathWithOutputs)> doPath;
std::function<void(DerivedPath)> doPath;
auto mustBuildDrv = [&](const StorePath & drvPath, const Derivation & drv) {
{
@ -154,7 +154,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
}
for (auto & i : drv.inputDrvs)
pool.enqueue(std::bind(doPath, StorePathWithOutputs { i.first, i.second }));
pool.enqueue(std::bind(doPath, DerivedPath::Built { i.first, i.second }));
};
auto checkOutput = [&](
@ -177,24 +177,25 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
drvState->outPaths.insert(outPath);
if (!drvState->left) {
for (auto & path : drvState->outPaths)
pool.enqueue(std::bind(doPath, StorePathWithOutputs { path } ));
pool.enqueue(std::bind(doPath, DerivedPath::Opaque { path } ));
}
}
}
};
doPath = [&](const StorePathWithOutputs & path) {
doPath = [&](const DerivedPath & req) {
{
auto state(state_.lock());
if (!state->done.insert(path.to_string(*this)).second) return;
if (!state->done.insert(req.to_string(*this)).second) return;
}
if (path.path.isDerivation()) {
if (!isValidPath(path.path)) {
std::visit(overloaded {
[&](DerivedPath::Built bfd) {
if (!isValidPath(bfd.drvPath)) {
// FIXME: we could try to substitute the derivation.
auto state(state_.lock());
state->unknown.insert(path.path);
state->unknown.insert(bfd.drvPath);
return;
}
@ -202,52 +203,54 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
/* true for regular derivations, and CA derivations for which we
have a trust mapping for all wanted outputs. */
auto knownOutputPaths = true;
for (auto & [outputName, pathOpt] : queryPartialDerivationOutputMap(path.path)) {
for (auto & [outputName, pathOpt] : queryPartialDerivationOutputMap(bfd.drvPath)) {
if (!pathOpt) {
knownOutputPaths = false;
break;
}
if (wantOutput(outputName, path.outputs) && !isValidPath(*pathOpt))
if (wantOutput(outputName, bfd.outputs) && !isValidPath(*pathOpt))
invalid.insert(*pathOpt);
}
if (knownOutputPaths && invalid.empty()) return;
auto drv = make_ref<Derivation>(derivationFromPath(path.path));
ParsedDerivation parsedDrv(StorePath(path.path), *drv);
auto drv = make_ref<Derivation>(derivationFromPath(bfd.drvPath));
ParsedDerivation parsedDrv(StorePath(bfd.drvPath), *drv);
if (knownOutputPaths && settings.useSubstitutes && parsedDrv.substitutesAllowed()) {
auto drvState = make_ref<Sync<DrvState>>(DrvState(invalid.size()));
for (auto & output : invalid)
pool.enqueue(std::bind(checkOutput, path.path, drv, output, drvState));
pool.enqueue(std::bind(checkOutput, bfd.drvPath, drv, output, drvState));
} else
mustBuildDrv(path.path, *drv);
mustBuildDrv(bfd.drvPath, *drv);
} else {
},
[&](DerivedPath::Opaque bo) {
if (isValidPath(path.path)) return;
if (isValidPath(bo.path)) return;
SubstitutablePathInfos infos;
querySubstitutablePathInfos({{path.path, std::nullopt}}, infos);
querySubstitutablePathInfos({{bo.path, std::nullopt}}, infos);
if (infos.empty()) {
auto state(state_.lock());
state->unknown.insert(path.path);
state->unknown.insert(bo.path);
return;
}
auto info = infos.find(path.path);
auto info = infos.find(bo.path);
assert(info != infos.end());
{
auto state(state_.lock());
state->willSubstitute.insert(path.path);
state->willSubstitute.insert(bo.path);
state->downloadSize += info->second.downloadSize;
state->narSize += info->second.narSize;
}
for (auto & ref : info->second.references)
pool.enqueue(std::bind(doPath, StorePathWithOutputs { ref }));
}
pool.enqueue(std::bind(doPath, DerivedPath::Opaque { ref }));
},
}, req.raw());
};
for (auto & path : targets)

71
src/libstore/path-with-outputs.cc Normal file
View file

@ -0,0 +1,71 @@
#include "path-with-outputs.hh"
#include "store-api.hh"
namespace nix {
std::string StorePathWithOutputs::to_string(const Store & store) const
{
return outputs.empty()
? store.printStorePath(path)
: store.printStorePath(path) + "!" + concatStringsSep(",", outputs);
}
DerivedPath StorePathWithOutputs::toDerivedPath() const
{
if (!outputs.empty() || path.isDerivation())
return DerivedPath::Built { path, outputs };
else
return DerivedPath::Opaque { path };
}
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs> ss)
{
std::vector<DerivedPath> reqs;
for (auto & s : ss) reqs.push_back(s.toDerivedPath());
return reqs;
}
std::variant<StorePathWithOutputs, StorePath> StorePathWithOutputs::tryFromDerivedPath(const DerivedPath & p)
{
return std::visit(overloaded {
[&](DerivedPath::Opaque bo) -> std::variant<StorePathWithOutputs, StorePath> {
if (bo.path.isDerivation()) {
// drv path gets interpreted as "build", not "get drv file itself"
return bo.path;
}
return StorePathWithOutputs { bo.path };
},
[&](DerivedPath::Built bfd) -> std::variant<StorePathWithOutputs, StorePath> {
return StorePathWithOutputs { bfd.drvPath, bfd.outputs };
},
}, p.raw());
}
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? std::make_pair(s, std::set<string>())
: std::make_pair(((std::string_view) s).substr(0, n),
tokenizeString<std::set<string>>(((std::string_view) s).substr(n + 1), ","));
}
StorePathWithOutputs parsePathWithOutputs(const Store & store, std::string_view pathWithOutputs)
{
auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
return StorePathWithOutputs { store.parseStorePath(path), std::move(outputs) };
}
StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs)
{
auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
return StorePathWithOutputs { store.followLinksToStorePath(path), std::move(outputs) };
}
}

35
src/libstore/path-with-outputs.hh Normal file
View file

@ -0,0 +1,35 @@
#pragma once
#include <variant>
#include "path.hh"
#include "derived-path.hh"
namespace nix {
struct StorePathWithOutputs
{
StorePath path;
std::set<std::string> outputs;
std::string to_string(const Store & store) const;
DerivedPath toDerivedPath() const;
static std::variant<StorePathWithOutputs, StorePath> tryFromDerivedPath(const DerivedPath &);
};
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs>);
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);
class Store;
/* Split a string specifying a derivation and a set of outputs
(/nix/store/hash-foo!out1,out2,...) into the derivation path
and the outputs. */
StorePathWithOutputs parsePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
}

15
src/libstore/path.cc
View file

@ -82,19 +82,4 @@ PathSet Store::printStorePathSet(const StorePathSet & paths) const
return res;
}
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? std::make_pair(s, std::set<string>())
: std::make_pair(((std::string_view) s).substr(0, n),
tokenizeString<std::set<string>>(((std::string_view) s).substr(n + 1), ","));
}
StorePathWithOutputs Store::parsePathWithOutputs(const std::string & s)
{
auto [path, outputs] = nix::parsePathWithOutputs(s);
return {parseStorePath(path), std::move(outputs)};
}
}

10
src/libstore/path.hh
View file

@ -69,16 +69,6 @@ typedef std::map<StorePath, std::optional<ContentAddress>> StorePathCAMap;
/* Extension of derivations in the Nix store. */
const std::string drvExtension = ".drv";
struct StorePathWithOutputs
{
StorePath path;
std::set<std::string> outputs;
std::string to_string(const Store & store) const;
};
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);
}
namespace std {

57
src/libstore/remote-store.cc
View file

@ -1,5 +1,6 @@
#include "serialise.hh"
#include "util.hh"
#include "path-with-outputs.hh"
#include "remote-fs-accessor.hh"
#include "remote-store.hh"
#include "worker-protocol.hh"
@ -50,6 +51,19 @@ void write(const Store & store, Sink & out, const ContentAddress & ca)
out << renderContentAddress(ca);
}
DerivedPath read(const Store & store, Source & from, Phantom<DerivedPath> _)
{
auto s = readString(from);
return DerivedPath::parse(store, s);
}
void write(const Store & store, Sink & out, const DerivedPath & req)
{
out << req.to_string(store);
}
Realisation read(const Store & store, Source & from, Phantom<Realisation> _)
{
std::string rawInput = readString(from);
@ -58,8 +72,12 @@ Realisation read(const Store & store, Source & from, Phantom<Realisation> _)
"remote-protocol"
);
}
void write(const Store & store, Sink & out, const Realisation & realisation)
{ out << realisation.toJSON().dump(); }
{
out << realisation.toJSON().dump();
}
DrvOutput read(const Store & store, Source & from, Phantom<DrvOutput> _)
{
@ -652,16 +670,36 @@ std::optional<const Realisation> RemoteStore::queryRealisation(const DrvOutput &
return {Realisation{.id = id, .outPath = *outPaths.begin()}};
}
static void writeDerivedPaths(RemoteStore & store, ConnectionHandle & conn, const std::vector<DerivedPath> & reqs)
{
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 29) {
worker_proto::write(store, conn->to, reqs);
} else {
Strings ss;
for (auto & p : reqs) {
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
std::visit(overloaded {
[&](StorePathWithOutputs s) {
ss.push_back(s.to_string(store));
},
[&](StorePath drvPath) {
throw Error("trying to request '%s', but daemon protocol %d.%d is too old (< 1.29) to request a derivation file",
store.printStorePath(drvPath),
GET_PROTOCOL_MAJOR(conn->daemonVersion),
GET_PROTOCOL_MINOR(conn->daemonVersion));
},
}, sOrDrvPath);
}
conn->to << ss;
}
}
void RemoteStore::buildPaths(const std::vector<StorePathWithOutputs> & drvPaths, BuildMode buildMode)
void RemoteStore::buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode)
{
auto conn(getConnection());
conn->to << wopBuildPaths;
assert(GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13);
Strings ss;
for (auto & p : drvPaths)
ss.push_back(p.to_string(*this));
conn->to << ss;
writeDerivedPaths(*this, conn, drvPaths);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15)
conn->to << buildMode;
else
@ -800,7 +838,7 @@ void RemoteStore::addSignatures(const StorePath & storePath, const StringSet & s
}
void RemoteStore::queryMissing(const std::vector<StorePathWithOutputs> & targets,
void RemoteStore::queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize)
{
@ -811,10 +849,7 @@ void RemoteStore::queryMissing(const std::vector<StorePathWithOutputs> & targets
// to prevent a deadlock.
goto fallback;
conn->to << wopQueryMissing;
Strings ss;
for (auto & p : targets)
ss.push_back(p.to_string(*this));
conn->to << ss;
writeDerivedPaths(*this, conn, targets);
conn.processStderr();
willBuild = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
willSubstitute = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});

4
src/libstore/remote-store.hh
View file

@ -85,7 +85,7 @@ public:
std::optional<const Realisation> queryRealisation(const DrvOutput &) override;
void buildPaths(const std::vector<StorePathWithOutputs> & paths, BuildMode buildMode) override;
void buildPaths(const std::vector<DerivedPath> & paths, BuildMode buildMode) override;
BuildResult buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
BuildMode buildMode) override;
@ -108,7 +108,7 @@ public:
void addSignatures(const StorePath & storePath, const StringSet & sigs) override;
void queryMissing(const std::vector<StorePathWithOutputs> & targets,
void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize) override;

15
src/libstore/store-api.cc
View file

@ -53,13 +53,6 @@ StorePath Store::followLinksToStorePath(std::string_view path) const
}
StorePathWithOutputs Store::followLinksToStorePathWithOutputs(std::string_view path) const
{
auto [path2, outputs] = nix::parsePathWithOutputs(path);
return StorePathWithOutputs { followLinksToStorePath(path2), std::move(outputs) };
}
/* Store paths have the following form:
<realized-path> = <store>/<h>-<name>
@ -536,10 +529,10 @@ void Store::queryPathInfo(const StorePath & storePath,
void Store::substitutePaths(const StorePathSet & paths)
{
std::vector<StorePathWithOutputs> paths2;
std::vector<DerivedPath> paths2;
for (auto & path : paths)
if (!path.isDerivation())
paths2.push_back({path});
paths2.push_back(DerivedPath::Opaque{path});
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
queryMissing(paths2,
@ -547,8 +540,8 @@ void Store::substitutePaths(const StorePathSet & paths)
if (!willSubstitute.empty())
try {
std::vector<StorePathWithOutputs> subs;
for (auto & p : willSubstitute) subs.push_back({p});
std::vector<DerivedPath> subs;
for (auto & p : willSubstitute) subs.push_back(DerivedPath::Opaque{p});
buildPaths(subs);
} catch (Error & e) {
logWarning(e.info());

12
src/libstore/store-api.hh
View file

@ -2,6 +2,7 @@
#include "realisation.hh"
#include "path.hh"
#include "derived-path.hh"
#include "hash.hh"
#include "content-address.hh"
#include "serialise.hh"
@ -261,11 +262,6 @@ public:
PathSet printStorePathSet(const StorePathSet & path) const;
/* Split a string specifying a derivation and a set of outputs
(/nix/store/hash-foo!out1,out2,...) into the derivation path
and the outputs. */
StorePathWithOutputs parsePathWithOutputs(const string & s);
/* Display a set of paths in human-readable form (i.e., between quotes
and separated by commas). */
std::string showPaths(const StorePathSet & paths);
@ -289,8 +285,6 @@ public:
result. */
StorePath followLinksToStorePath(std::string_view path) const;
StorePathWithOutputs followLinksToStorePathWithOutputs(std::string_view path) const;
/* Constructs a unique store path name. */
StorePath makeStorePath(std::string_view type,
std::string_view hash, std::string_view name) const;
@ -500,7 +494,7 @@ public:
recursively building any sub-derivations. For inputs that are
not derivations, substitute them. */
virtual void buildPaths(
const std::vector<StorePathWithOutputs> & paths,
const std::vector<DerivedPath> & paths,
BuildMode buildMode = bmNormal);
/* Build a single non-materialized derivation (i.e. not from an
@ -662,7 +656,7 @@ public:
/* Given a set of paths that are to be built, return the set of
derivations that will be built, and the set of output paths
that will be substituted. */
virtual void queryMissing(const std::vector<StorePathWithOutputs> & targets,
virtual void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize);

22
src/libstore/worker-protocol.hh
View file

@ -86,9 +86,11 @@ namespace worker_proto {
MAKE_WORKER_PROTO(, std::string);
MAKE_WORKER_PROTO(, StorePath);
MAKE_WORKER_PROTO(, ContentAddress);
MAKE_WORKER_PROTO(, DerivedPath);
MAKE_WORKER_PROTO(, Realisation);
MAKE_WORKER_PROTO(, DrvOutput);
MAKE_WORKER_PROTO(template<typename T>, std::vector<T>);
MAKE_WORKER_PROTO(template<typename T>, std::set<T>);
#define X_ template<typename K, typename V>
@ -113,6 +115,26 @@ MAKE_WORKER_PROTO(X_, Y_);
MAKE_WORKER_PROTO(, std::optional<StorePath>);
MAKE_WORKER_PROTO(, std::optional<ContentAddress>);
template<typename T>
std::vector<T> read(const Store & store, Source & from, Phantom<std::vector<T>> _)
{
std::vector<T> resSet;
auto size = readNum<size_t>(from);
while (size--) {
resSet.push_back(read(store, from, Phantom<T> {}));
}
return resSet;
}
template<typename T>
void write(const Store & store, Sink & out, const std::vector<T> & resSet)
{
out << resSet.size();
for (auto & key : resSet) {
write(store, out, key);
}
}
template<typename T>
std::set<T> read(const Store & store, Source & from, Phantom<std::set<T>> _)
{

4
src/nix-build/nix-build.cc
View file

@ -12,6 +12,7 @@
#include "affinity.hh"
#include "util.hh"
#include "shared.hh"
#include "path-with-outputs.hh"
#include "eval.hh"
#include "eval-inline.hh"
#include "get-drvs.hh"
@ -321,7 +322,8 @@ static void main_nix_build(int argc, char * * argv)
state->printStats();
auto buildPaths = [&](const std::vector<StorePathWithOutputs> & paths) {
auto buildPaths = [&](const std::vector<StorePathWithOutputs> & paths0) {
auto paths = toDerivedPaths(paths0);
/* Note: we do this even when !printMissing to efficiently
fetch binary cache data. */
uint64_t downloadSize, narSize;

24
src/nix-env/nix-env.cc
View file

@ -6,6 +6,7 @@
#include "globals.hh"
#include "names.hh"
#include "profiles.hh"
#include "path-with-outputs.hh"
#include "shared.hh"
#include "store-api.hh"
#include "local-fs-store.hh"
@ -418,13 +419,13 @@ static void queryInstSources(EvalState & state,
static void printMissing(EvalState & state, DrvInfos & elems)
{
std::vector<StorePathWithOutputs> targets;
std::vector<DerivedPath> targets;
for (auto & i : elems) {
Path drvPath = i.queryDrvPath();
if (drvPath != "")
targets.push_back({state.store->parseStorePath(drvPath)});
targets.push_back(DerivedPath::Built{state.store->parseStorePath(drvPath)});
else
targets.push_back({state.store->parseStorePath(i.queryOutPath())});
targets.push_back(DerivedPath::Opaque{state.store->parseStorePath(i.queryOutPath())});
}
printMissing(state.store, targets);
@ -693,17 +694,18 @@ static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
if (globals.forceName != "")
drv.setName(globals.forceName);
if (drv.queryDrvPath() != "") {
std::vector<StorePathWithOutputs> paths{{globals.state->store->parseStorePath(drv.queryDrvPath())}};
std::vector<DerivedPath> paths {
(drv.queryDrvPath() != "")
? (DerivedPath) (DerivedPath::Built {
globals.state->store->parseStorePath(drv.queryDrvPath())
})
: (DerivedPath) (DerivedPath::Opaque {
globals.state->store->parseStorePath(drv.queryOutPath())
}),
};
printMissing(globals.state->store, paths);
if (globals.dryRun) return;
globals.state->store->buildPaths(paths, globals.state->repair ? bmRepair : bmNormal);
} else {
printMissing(globals.state->store,
{{globals.state->store->parseStorePath(drv.queryOutPath())}});
if (globals.dryRun) return;
globals.state->store->ensurePath(globals.state->store->parseStorePath(drv.queryOutPath()));
}
debug(format("switching to new user environment"));
Path generation = createGeneration(

9
src/nix-env/user-env.cc
View file

@ -2,6 +2,7 @@
#include "util.hh"
#include "derivations.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "local-fs-store.hh"
#include "globals.hh"
#include "shared.hh"
@ -41,7 +42,9 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
drvsToBuild.push_back({state.store->parseStorePath(i.queryDrvPath())});
debug(format("building user environment dependencies"));
state.store->buildPaths(drvsToBuild, state.repair ? bmRepair : bmNormal);
state.store->buildPaths(
toDerivedPaths(drvsToBuild),
state.repair ? bmRepair : bmNormal);
/* Construct the whole top level derivation. */
StorePathSet references;
@ -136,7 +139,9 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
debug("building user environment");
std::vector<StorePathWithOutputs> topLevelDrvs;
topLevelDrvs.push_back({topLevelDrv});
state.store->buildPaths(topLevelDrvs, state.repair ? bmRepair : bmNormal);
state.store->buildPaths(
toDerivedPaths(topLevelDrvs),
state.repair ? bmRepair : bmNormal);
/* Switch the current user environment to the output path. */
auto store2 = state.store.dynamic_pointer_cast<LocalFSStore>();

15
src/nix-store/nix-store.cc
View file

@ -10,6 +10,7 @@
#include "worker-protocol.hh"
#include "graphml.hh"
#include "legacy.hh"
#include "path-with-outputs.hh"
#include <iostream>
#include <algorithm>
@ -62,7 +63,7 @@ static PathSet realisePath(StorePathWithOutputs path, bool build = true)
auto store2 = std::dynamic_pointer_cast<LocalFSStore>(store);
if (path.path.isDerivation()) {
if (build) store->buildPaths({path});
if (build) store->buildPaths({path.toDerivedPath()});
auto outputPaths = store->queryDerivationOutputMap(path.path);
Derivation drv = store->derivationFromPath(path.path);
rootNr++;
@ -128,11 +129,13 @@ static void opRealise(Strings opFlags, Strings opArgs)
std::vector<StorePathWithOutputs> paths;
for (auto & i : opArgs)
paths.push_back(store->followLinksToStorePathWithOutputs(i));
paths.push_back(followLinksToStorePathWithOutputs(*store, i));
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->queryMissing(
toDerivedPaths(paths),
willBuild, willSubstitute, unknown, downloadSize, narSize);
if (ignoreUnknown) {
std::vector<StorePathWithOutputs> paths2;
@ -148,7 +151,7 @@ static void opRealise(Strings opFlags, Strings opArgs)
if (dryRun) return;
/* Build all paths at the same time to exploit parallelism. */
store->buildPaths(paths, buildMode);
store->buildPaths(toDerivedPaths(paths), buildMode);
if (!ignoreUnknown)
for (auto & i : paths) {
@ -873,13 +876,13 @@ static void opServe(Strings opFlags, Strings opArgs)
std::vector<StorePathWithOutputs> paths;
for (auto & s : readStrings<Strings>(in))
paths.push_back(store->parsePathWithOutputs(s));
paths.push_back(parsePathWithOutputs(*store, s));
getBuildSettings();
try {
MonitorFdHup monitor(in.fd);
store->buildPaths(paths);
store->buildPaths(toDerivedPaths(paths));
out << 0;
} catch (Error & e) {
assert(e.status);

8
src/nix/build.cc
View file

@ -61,12 +61,12 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixJSON, MixProfile
for (const auto & [_i, buildable] : enumerate(buildables)) {
auto i = _i;
std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPathWithHints::Opaque bo) {
std::string symlink = outLink;
if (i) symlink += fmt("-%d", i);
store2->addPermRoot(bo.path, absPath(symlink));
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
auto builtOutputs = store->queryDerivationOutputMap(bfd.drvPath);
for (auto & output : builtOutputs) {
std::string symlink = outLink;
@ -75,12 +75,12 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixJSON, MixProfile
store2->addPermRoot(output.second, absPath(symlink));
}
},
}, buildable);
}, buildable.raw());
}
updateProfile(buildables);
if (json) logger->cout("%s", buildablesToJSON(buildables, store).dump());
if (json) logger->cout("%s", derivedPathsWithHintsToJSON(buildables, store).dump());
}
};

4
src/nix/bundle.cc
View file

@ -70,7 +70,7 @@ struct CmdBundle : InstallableCommand
auto evalState = getEvalState();
auto app = installable->toApp(*evalState);
store->buildPaths(app.context);
store->buildPaths(toDerivedPaths(app.context));
auto [bundlerFlakeRef, bundlerName] = parseFlakeRefWithFragment(bundler, absPath("."));
const flake::LockFlags lockFlags{ .writeLockFile = false };
@ -110,7 +110,7 @@ struct CmdBundle : InstallableCommand
StorePath outPath = store->parseStorePath(evalState->coerceToPath(*attr2->pos, *attr2->value, context2));
store->buildPaths({{drvPath}});
store->buildPaths({ DerivedPath::Built { drvPath } });
auto outPathS = store->printStorePath(outPath);

11
src/nix/develop.cc
View file

@ -3,6 +3,7 @@
#include "common-args.hh"
#include "shared.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "derivations.hh"
#include "affinity.hh"
#include "progress-bar.hh"
@ -159,7 +160,7 @@ StorePath getDerivationEnvironment(ref<Store> store, const StorePath & drvPath)
auto shellDrvPath = writeDerivation(*store, drv);
/* Build the derivation. */
store->buildPaths({{shellDrvPath}});
store->buildPaths({DerivedPath::Built{shellDrvPath}});
for (auto & [_0, outputAndOptPath] : drv.outputsAndOptPaths(*store)) {
auto & [_1, optPath] = outputAndOptPath;
@ -264,7 +265,7 @@ struct Common : InstallableCommand, MixProfile
for (auto & [installable_, dir_] : redirects) {
auto dir = absPath(dir_);
auto installable = parseInstallable(store, installable_);
auto buildable = installable->toBuildable();
auto buildable = installable->toDerivedPathWithHints();
auto doRedirect = [&](const StorePath & path)
{
auto from = store->printStorePath(path);
@ -276,14 +277,14 @@ struct Common : InstallableCommand, MixProfile
}
};
std::visit(overloaded {
[&](const BuildableOpaque & bo) {
[&](const DerivedPathWithHints::Opaque & bo) {
doRedirect(bo.path);
},
[&](const BuildableFromDrv & bfd) {
[&](const DerivedPathWithHints::Built & bfd) {
for (auto & [outputName, path] : bfd.outputs)
if (path) doRedirect(*path);
},
}, buildable);
}, buildable.raw());
}
return rewriteStrings(script, rewrites);

5
src/nix/flake.cc
View file

@ -7,6 +7,7 @@
#include "get-drvs.hh"
#include "store-api.hh"
#include "derivations.hh"
#include "path-with-outputs.hh"
#include "attr-path.hh"
#include "fetchers.hh"
#include "registry.hh"
@ -292,7 +293,7 @@ struct CmdFlakeCheck : FlakeCommand
}
};
std::vector<StorePathWithOutputs> drvPaths;
std::vector<DerivedPath> drvPaths;
auto checkApp = [&](const std::string & attrPath, Value & v, const Pos & pos) {
try {
@ -461,7 +462,7 @@ struct CmdFlakeCheck : FlakeCommand
fmt("%s.%s.%s", name, attr.name, attr2.name),
*attr2.value, *attr2.pos);
if ((std::string) attr.name == settings.thisSystem.get())
drvPaths.push_back({drvPath});
drvPaths.push_back(DerivedPath::Built{drvPath});
}
}
}

8
src/nix/log.cc
View file

@ -30,18 +30,18 @@ struct CmdLog : InstallableCommand
subs.push_front(store);
auto b = installable->toBuildable();
auto b = installable->toDerivedPathWithHints();
RunPager pager;
for (auto & sub : subs) {
auto log = std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPathWithHints::Opaque bo) {
return sub->getBuildLog(bo.path);
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
return sub->getBuildLog(bfd.drvPath);
},
}, b);
}, b.raw());
if (!log) continue;
stopProgressBar();
printInfo("got build log for '%s' from '%s'", installable->what(), sub->getUri());

21
src/nix/profile.cc
View file

@ -233,7 +233,7 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
{
ProfileManifest manifest(*getEvalState(), *profile);
std::vector<StorePathWithOutputs> pathsToBuild;
std::vector<DerivedPath> pathsToBuild;
for (auto & installable : installables) {
if (auto installable2 = std::dynamic_pointer_cast<InstallableFlake>(installable)) {
@ -249,7 +249,7 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
attrPath,
};
pathsToBuild.push_back({drv.drvPath, StringSet{drv.outputName}});
pathsToBuild.push_back(DerivedPath::Built{drv.drvPath, StringSet{drv.outputName}});
manifest.elements.emplace_back(std::move(element));
} else {
@ -259,17 +259,20 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
ProfileElement element;
std::visit(overloaded {
[&](BuildableOpaque bo) {
pathsToBuild.push_back({bo.path, {}});
[&](DerivedPathWithHints::Opaque bo) {
pathsToBuild.push_back(bo);
element.storePaths.insert(bo.path);
},
[&](BuildableFromDrv bfd) {
[&](DerivedPathWithHints::Built bfd) {
// TODO: Why are we querying if we know the output
// names already? Is it just to figure out what the
// default one is?
for (auto & output : store->queryDerivationOutputMap(bfd.drvPath)) {
pathsToBuild.push_back({bfd.drvPath, {output.first}});
pathsToBuild.push_back(DerivedPath::Built{bfd.drvPath, {output.first}});
element.storePaths.insert(output.second);
}
},
}, buildable);
}, buildable.raw());
manifest.elements.emplace_back(std::move(element));
}
@ -388,7 +391,7 @@ struct CmdProfileUpgrade : virtual SourceExprCommand, MixDefaultProfile, MixProf
auto matchers = getMatchers(store);
// FIXME: code duplication
std::vector<StorePathWithOutputs> pathsToBuild;
std::vector<DerivedPath> pathsToBuild;
for (size_t i = 0; i < manifest.elements.size(); ++i) {
auto & element(manifest.elements[i]);
@ -423,7 +426,7 @@ struct CmdProfileUpgrade : virtual SourceExprCommand, MixDefaultProfile, MixProf
attrPath,
};
pathsToBuild.push_back({drv.drvPath, StringSet{"out"}}); // FIXME
pathsToBuild.push_back(DerivedPath::Built{drv.drvPath, {"out"}}); // FIXME
}
}

2
src/nix/run.cc
View file

@ -182,7 +182,7 @@ struct CmdRun : InstallableCommand, RunCommon
auto app = installable->toApp(*state);
state->store->buildPaths(app.context);
state->store->buildPaths(toDerivedPaths(app.context));
Strings allArgs{app.program};
for (auto & i : args) allArgs.push_back(i);