874 lines
27 KiB
C++
874 lines
27 KiB
C++
#include "installables.hh"
|
|
#include "command.hh"
|
|
#include "attr-path.hh"
|
|
#include "common-eval-args.hh"
|
|
#include "derivations.hh"
|
|
#include "eval-inline.hh"
|
|
#include "eval.hh"
|
|
#include "get-drvs.hh"
|
|
#include "store-api.hh"
|
|
#include "shared.hh"
|
|
#include "flake/flake.hh"
|
|
#include "eval-cache.hh"
|
|
#include "url.hh"
|
|
#include "registry.hh"
|
|
|
|
#include <regex>
|
|
#include <queue>
|
|
|
|
#include <nlohmann/json.hpp>
|
|
|
|
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,
|
|
std::string_view prefix)
|
|
{
|
|
auto flake = flake::getFlake(*evalState, flakeRef, true);
|
|
for (auto & input : flake.inputs)
|
|
if (hasPrefix(input.first, prefix))
|
|
completions->add(input.first);
|
|
}
|
|
|
|
MixFlakeOptions::MixFlakeOptions()
|
|
{
|
|
auto category = "Common flake-related options";
|
|
|
|
addFlag({
|
|
.longName = "recreate-lock-file",
|
|
.description = "Recreate the flake's lock file from scratch.",
|
|
.category = category,
|
|
.handler = {&lockFlags.recreateLockFile, true}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "no-update-lock-file",
|
|
.description = "Do not allow any updates to the flake's lock file.",
|
|
.category = category,
|
|
.handler = {&lockFlags.updateLockFile, false}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "no-write-lock-file",
|
|
.description = "Do not write the flake's newly generated lock file.",
|
|
.category = category,
|
|
.handler = {&lockFlags.writeLockFile, false}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "no-registries",
|
|
.description = "Don't allow lookups in the flake registries.",
|
|
.category = category,
|
|
.handler = {&lockFlags.useRegistries, false}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "commit-lock-file",
|
|
.description = "Commit changes to the flake's lock file.",
|
|
.category = category,
|
|
.handler = {&lockFlags.commitLockFile, true}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "update-input",
|
|
.description = "Update a specific flake input (ignoring its previous entry in the lock file).",
|
|
.category = category,
|
|
.labels = {"input-path"},
|
|
.handler = {[&](std::string s) {
|
|
lockFlags.inputUpdates.insert(flake::parseInputPath(s));
|
|
}},
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
if (auto flakeRef = getFlakeRefForCompletion())
|
|
completeFlakeInputPath(getEvalState(), *flakeRef, prefix);
|
|
}}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "override-input",
|
|
.description = "Override a specific flake input (e.g. `dwarffs/nixpkgs`).",
|
|
.category = category,
|
|
.labels = {"input-path", "flake-url"},
|
|
.handler = {[&](std::string inputPath, std::string flakeRef) {
|
|
lockFlags.inputOverrides.insert_or_assign(
|
|
flake::parseInputPath(inputPath),
|
|
parseFlakeRef(flakeRef, absPath(".")));
|
|
}}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "inputs-from",
|
|
.description = "Use the inputs of the specified flake as registry entries.",
|
|
.category = category,
|
|
.labels = {"flake-url"},
|
|
.handler = {[&](std::string flakeRef) {
|
|
auto evalState = getEvalState();
|
|
auto flake = flake::lockFlake(
|
|
*evalState,
|
|
parseFlakeRef(flakeRef, absPath(".")),
|
|
{ .writeLockFile = false });
|
|
for (auto & [inputName, input] : flake.lockFile.root->inputs) {
|
|
auto input2 = flake.lockFile.findInput({inputName}); // resolve 'follows' nodes
|
|
if (auto input3 = std::dynamic_pointer_cast<const flake::LockedNode>(input2)) {
|
|
overrideRegistry(
|
|
fetchers::Input::fromAttrs({{"type","indirect"}, {"id", inputName}}),
|
|
input3->lockedRef.input,
|
|
{});
|
|
}
|
|
}
|
|
}},
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
completeFlakeRef(getEvalState()->store, prefix);
|
|
}}
|
|
});
|
|
}
|
|
|
|
SourceExprCommand::SourceExprCommand()
|
|
{
|
|
addFlag({
|
|
.longName = "file",
|
|
.shortName = 'f',
|
|
.description = "Interpret installables as attribute paths relative to the Nix expression stored in *file*.",
|
|
.category = installablesCategory,
|
|
.labels = {"file"},
|
|
.handler = {&file},
|
|
.completer = completePath
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "expr",
|
|
.description = "Interpret installables as attribute paths relative to the Nix expression *expr*.",
|
|
.category = installablesCategory,
|
|
.labels = {"expr"},
|
|
.handler = {&expr}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "derivation",
|
|
.description = "Operate on the store derivation rather than its outputs.",
|
|
.category = installablesCategory,
|
|
.handler = {&operateOn, OperateOn::Derivation},
|
|
});
|
|
}
|
|
|
|
Strings SourceExprCommand::getDefaultFlakeAttrPaths()
|
|
{
|
|
return {"defaultPackage." + settings.thisSystem.get()};
|
|
}
|
|
|
|
Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
|
|
{
|
|
return {
|
|
// As a convenience, look for the attribute in
|
|
// 'outputs.packages'.
|
|
"packages." + settings.thisSystem.get() + ".",
|
|
// As a temporary hack until Nixpkgs is properly converted
|
|
// to provide a clean 'packages' set, look in 'legacyPackages'.
|
|
"legacyPackages." + settings.thisSystem.get() + "."
|
|
};
|
|
}
|
|
|
|
void SourceExprCommand::completeInstallable(std::string_view prefix)
|
|
{
|
|
if (file) return; // FIXME
|
|
|
|
completeFlakeRefWithFragment(
|
|
getEvalState(),
|
|
lockFlags,
|
|
getDefaultFlakeAttrPathPrefixes(),
|
|
getDefaultFlakeAttrPaths(),
|
|
prefix);
|
|
}
|
|
|
|
void completeFlakeRefWithFragment(
|
|
ref<EvalState> evalState,
|
|
flake::LockFlags lockFlags,
|
|
Strings attrPathPrefixes,
|
|
const Strings & defaultFlakeAttrPaths,
|
|
std::string_view prefix)
|
|
{
|
|
/* Look for flake output attributes that match the
|
|
prefix. */
|
|
try {
|
|
auto hash = prefix.find('#');
|
|
if (hash != std::string::npos) {
|
|
auto fragment = prefix.substr(hash + 1);
|
|
auto flakeRefS = std::string(prefix.substr(0, hash));
|
|
// FIXME: do tilde expansion.
|
|
auto flakeRef = parseFlakeRef(flakeRefS, absPath("."));
|
|
|
|
auto evalCache = openEvalCache(*evalState,
|
|
std::make_shared<flake::LockedFlake>(lockFlake(*evalState, flakeRef, lockFlags)));
|
|
|
|
auto root = evalCache->getRoot();
|
|
|
|
/* Complete 'fragment' relative to all the
|
|
attrpath prefixes as well as the root of the
|
|
flake. */
|
|
attrPathPrefixes.push_back("");
|
|
|
|
for (auto & attrPathPrefixS : attrPathPrefixes) {
|
|
auto attrPathPrefix = parseAttrPath(*evalState, attrPathPrefixS);
|
|
auto attrPathS = attrPathPrefixS + std::string(fragment);
|
|
auto attrPath = parseAttrPath(*evalState, attrPathS);
|
|
|
|
std::string lastAttr;
|
|
if (!attrPath.empty() && !hasSuffix(attrPathS, ".")) {
|
|
lastAttr = attrPath.back();
|
|
attrPath.pop_back();
|
|
}
|
|
|
|
auto attr = root->findAlongAttrPath(attrPath);
|
|
if (!attr) continue;
|
|
|
|
for (auto & attr2 : attr->getAttrs()) {
|
|
if (hasPrefix(attr2, lastAttr)) {
|
|
auto attrPath2 = attr->getAttrPath(attr2);
|
|
/* Strip the attrpath prefix. */
|
|
attrPath2.erase(attrPath2.begin(), attrPath2.begin() + attrPathPrefix.size());
|
|
completions->add(flakeRefS + "#" + concatStringsSep(".", attrPath2));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* And add an empty completion for the default
|
|
attrpaths. */
|
|
if (fragment.empty()) {
|
|
for (auto & attrPath : defaultFlakeAttrPaths) {
|
|
auto attr = root->findAlongAttrPath(parseAttrPath(*evalState, attrPath));
|
|
if (!attr) continue;
|
|
completions->add(flakeRefS + "#");
|
|
}
|
|
}
|
|
}
|
|
} catch (Error & e) {
|
|
warn(e.msg());
|
|
}
|
|
|
|
completeFlakeRef(evalState->store, prefix);
|
|
}
|
|
|
|
ref<EvalState> EvalCommand::getEvalState()
|
|
{
|
|
if (!evalState)
|
|
evalState = std::make_shared<EvalState>(searchPath, getStore());
|
|
return ref<EvalState>(evalState);
|
|
}
|
|
|
|
void completeFlakeRef(ref<Store> store, std::string_view prefix)
|
|
{
|
|
if (prefix == "")
|
|
completions->add(".");
|
|
|
|
completeDir(0, prefix);
|
|
|
|
/* Look for registry entries that match the prefix. */
|
|
for (auto & registry : fetchers::getRegistries(store)) {
|
|
for (auto & entry : registry->entries) {
|
|
auto from = entry.from.to_string();
|
|
if (!hasPrefix(prefix, "flake:") && hasPrefix(from, "flake:")) {
|
|
std::string from2(from, 6);
|
|
if (hasPrefix(from2, prefix))
|
|
completions->add(from2);
|
|
} else {
|
|
if (hasPrefix(from, prefix))
|
|
completions->add(from);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Buildable Installable::toBuildable()
|
|
{
|
|
auto buildables = toBuildables();
|
|
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]);
|
|
}
|
|
|
|
std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
|
|
Installable::getCursors(EvalState & state)
|
|
{
|
|
auto evalCache =
|
|
std::make_shared<nix::eval_cache::EvalCache>(std::nullopt, state,
|
|
[&]() { return toValue(state).first; });
|
|
return {{evalCache->getRoot(), ""}};
|
|
}
|
|
|
|
std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>
|
|
Installable::getCursor(EvalState & state)
|
|
{
|
|
auto cursors = getCursors(state);
|
|
if (cursors.empty())
|
|
throw Error("cannot find flake attribute '%s'", what());
|
|
return cursors[0];
|
|
}
|
|
|
|
struct InstallableStorePath : Installable
|
|
{
|
|
ref<Store> store;
|
|
StorePath storePath;
|
|
|
|
InstallableStorePath(ref<Store> store, StorePath && storePath)
|
|
: store(store), storePath(std::move(storePath)) { }
|
|
|
|
std::string what() override { return store->printStorePath(storePath); }
|
|
|
|
Buildables toBuildables() override
|
|
{
|
|
if (storePath.isDerivation()) {
|
|
std::map<std::string, std::optional<StorePath>> outputs;
|
|
auto drv = store->readDerivation(storePath);
|
|
for (auto & [name, output] : drv.outputsAndOptPaths(*store))
|
|
outputs.emplace(name, output.second);
|
|
return {
|
|
BuildableFromDrv {
|
|
.drvPath = storePath,
|
|
.outputs = std::move(outputs)
|
|
}
|
|
};
|
|
} else {
|
|
return {
|
|
BuildableOpaque {
|
|
.path = storePath,
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
std::optional<StorePath> getStorePath() override
|
|
{
|
|
return storePath;
|
|
}
|
|
};
|
|
|
|
Buildables InstallableValue::toBuildables()
|
|
{
|
|
Buildables res;
|
|
|
|
std::map<StorePath, std::map<std::string, std::optional<StorePath>>> drvsToOutputs;
|
|
|
|
// Group by derivation, helps with .all in particular
|
|
for (auto & drv : toDerivations()) {
|
|
auto outputName = drv.outputName;
|
|
if (outputName == "")
|
|
throw Error("derivation '%s' lacks an 'outputName' attribute", state->store->printStorePath(drv.drvPath));
|
|
drvsToOutputs[drv.drvPath].insert_or_assign(outputName, drv.outPath);
|
|
}
|
|
|
|
for (auto & i : drvsToOutputs)
|
|
res.push_back(BuildableFromDrv { i.first, i.second });
|
|
|
|
return res;
|
|
}
|
|
|
|
struct InstallableAttrPath : InstallableValue
|
|
{
|
|
SourceExprCommand & cmd;
|
|
RootValue v;
|
|
std::string attrPath;
|
|
|
|
InstallableAttrPath(ref<EvalState> state, SourceExprCommand & cmd, Value * v, const std::string & attrPath)
|
|
: InstallableValue(state), cmd(cmd), v(allocRootValue(v)), attrPath(attrPath)
|
|
{ }
|
|
|
|
std::string what() override { return attrPath; }
|
|
|
|
std::pair<Value *, Pos> toValue(EvalState & state) override
|
|
{
|
|
auto [vRes, pos] = findAlongAttrPath(state, attrPath, *cmd.getAutoArgs(state), **v);
|
|
state.forceValue(*vRes);
|
|
return {vRes, pos};
|
|
}
|
|
|
|
virtual std::vector<InstallableValue::DerivationInfo> toDerivations() override;
|
|
};
|
|
|
|
std::vector<InstallableValue::DerivationInfo> InstallableAttrPath::toDerivations()
|
|
{
|
|
auto v = toValue(*state).first;
|
|
|
|
Bindings & autoArgs = *cmd.getAutoArgs(*state);
|
|
|
|
DrvInfos drvInfos;
|
|
getDerivations(*state, *v, "", autoArgs, drvInfos, false);
|
|
|
|
std::vector<DerivationInfo> res;
|
|
for (auto & drvInfo : drvInfos) {
|
|
res.push_back({
|
|
state->store->parseStorePath(drvInfo.queryDrvPath()),
|
|
state->store->maybeParseStorePath(drvInfo.queryOutPath()),
|
|
drvInfo.queryOutputName()
|
|
});
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
std::vector<std::string> InstallableFlake::getActualAttrPaths()
|
|
{
|
|
std::vector<std::string> res;
|
|
|
|
for (auto & prefix : prefixes)
|
|
res.push_back(prefix + *attrPaths.begin());
|
|
|
|
for (auto & s : attrPaths)
|
|
res.push_back(s);
|
|
|
|
return res;
|
|
}
|
|
|
|
Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::LockedFlake & lockedFlake)
|
|
{
|
|
auto vFlake = state.allocValue();
|
|
|
|
callFlake(state, lockedFlake, *vFlake);
|
|
|
|
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
|
|
assert(aOutputs);
|
|
|
|
state.forceValue(*aOutputs->value);
|
|
|
|
return aOutputs->value;
|
|
}
|
|
|
|
ref<eval_cache::EvalCache> openEvalCache(
|
|
EvalState & state,
|
|
std::shared_ptr<flake::LockedFlake> lockedFlake)
|
|
{
|
|
auto fingerprint = lockedFlake->getFingerprint();
|
|
return make_ref<nix::eval_cache::EvalCache>(
|
|
evalSettings.useEvalCache && evalSettings.pureEval
|
|
? std::optional { std::cref(fingerprint) }
|
|
: std::nullopt,
|
|
state,
|
|
[&state, lockedFlake]()
|
|
{
|
|
/* For testing whether the evaluation cache is
|
|
complete. */
|
|
if (getEnv("NIX_ALLOW_EVAL").value_or("1") == "0")
|
|
throw Error("not everything is cached, but evaluation is not allowed");
|
|
|
|
auto vFlake = state.allocValue();
|
|
flake::callFlake(state, *lockedFlake, *vFlake);
|
|
|
|
state.forceAttrs(*vFlake);
|
|
|
|
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
|
|
assert(aOutputs);
|
|
|
|
return aOutputs->value;
|
|
});
|
|
}
|
|
|
|
static std::string showAttrPaths(const std::vector<std::string> & paths)
|
|
{
|
|
std::string s;
|
|
for (const auto & [n, i] : enumerate(paths)) {
|
|
if (n > 0) s += n + 1 == paths.size() ? " or " : ", ";
|
|
s += '\''; s += i; s += '\'';
|
|
}
|
|
return s;
|
|
}
|
|
|
|
InstallableFlake::InstallableFlake(
|
|
SourceExprCommand * cmd,
|
|
ref<EvalState> state,
|
|
FlakeRef && flakeRef,
|
|
Strings && attrPaths,
|
|
Strings && prefixes,
|
|
const flake::LockFlags & lockFlags)
|
|
: InstallableValue(state),
|
|
flakeRef(flakeRef),
|
|
attrPaths(attrPaths),
|
|
prefixes(prefixes),
|
|
lockFlags(lockFlags)
|
|
{
|
|
if (cmd && cmd->getAutoArgs(*state)->size())
|
|
throw UsageError("'--arg' and '--argstr' are incompatible with flakes");
|
|
}
|
|
|
|
std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableFlake::toDerivation()
|
|
{
|
|
auto lockedFlake = getLockedFlake();
|
|
|
|
auto cache = openEvalCache(*state, lockedFlake);
|
|
auto root = cache->getRoot();
|
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
|
auto attr = root->findAlongAttrPath(parseAttrPath(*state, attrPath));
|
|
if (!attr) continue;
|
|
|
|
if (!attr->isDerivation())
|
|
throw Error("flake output attribute '%s' is not a derivation", attrPath);
|
|
|
|
auto drvPath = attr->forceDerivation();
|
|
|
|
auto drvInfo = DerivationInfo{
|
|
std::move(drvPath),
|
|
state->store->maybeParseStorePath(attr->getAttr(state->sOutPath)->getString()),
|
|
attr->getAttr(state->sOutputName)->getString()
|
|
};
|
|
|
|
return {attrPath, lockedFlake->flake.lockedRef, std::move(drvInfo)};
|
|
}
|
|
|
|
throw Error("flake '%s' does not provide attribute %s",
|
|
flakeRef, showAttrPaths(getActualAttrPaths()));
|
|
}
|
|
|
|
std::vector<InstallableValue::DerivationInfo> InstallableFlake::toDerivations()
|
|
{
|
|
std::vector<DerivationInfo> res;
|
|
res.push_back(std::get<2>(toDerivation()));
|
|
return res;
|
|
}
|
|
|
|
std::pair<Value *, Pos> InstallableFlake::toValue(EvalState & state)
|
|
{
|
|
auto lockedFlake = getLockedFlake();
|
|
|
|
auto vOutputs = getFlakeOutputs(state, *lockedFlake);
|
|
|
|
auto emptyArgs = state.allocBindings(0);
|
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
|
try {
|
|
auto [v, pos] = findAlongAttrPath(state, attrPath, *emptyArgs, *vOutputs);
|
|
state.forceValue(*v);
|
|
return {v, pos};
|
|
} catch (AttrPathNotFound & e) {
|
|
}
|
|
}
|
|
|
|
throw Error("flake '%s' does not provide attribute %s",
|
|
flakeRef, showAttrPaths(getActualAttrPaths()));
|
|
}
|
|
|
|
std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
|
|
InstallableFlake::getCursors(EvalState & state)
|
|
{
|
|
auto evalCache = openEvalCache(state,
|
|
std::make_shared<flake::LockedFlake>(lockFlake(state, flakeRef, lockFlags)));
|
|
|
|
auto root = evalCache->getRoot();
|
|
|
|
std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>> res;
|
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
|
auto attr = root->findAlongAttrPath(parseAttrPath(state, attrPath));
|
|
if (attr) res.push_back({attr, attrPath});
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
std::shared_ptr<flake::LockedFlake> InstallableFlake::getLockedFlake() const
|
|
{
|
|
if (!_lockedFlake) {
|
|
_lockedFlake = std::make_shared<flake::LockedFlake>(lockFlake(*state, flakeRef, lockFlags));
|
|
_lockedFlake->flake.config.apply();
|
|
// FIXME: send new config to the daemon.
|
|
}
|
|
return _lockedFlake;
|
|
}
|
|
|
|
FlakeRef InstallableFlake::nixpkgsFlakeRef() const
|
|
{
|
|
auto lockedFlake = getLockedFlake();
|
|
|
|
if (auto nixpkgsInput = lockedFlake->lockFile.findInput({"nixpkgs"})) {
|
|
if (auto lockedNode = std::dynamic_pointer_cast<const flake::LockedNode>(nixpkgsInput)) {
|
|
debug("using nixpkgs flake '%s'", lockedNode->lockedRef);
|
|
return std::move(lockedNode->lockedRef);
|
|
}
|
|
}
|
|
|
|
return Installable::nixpkgsFlakeRef();
|
|
}
|
|
|
|
std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
|
|
ref<Store> store, std::vector<std::string> ss)
|
|
{
|
|
std::vector<std::shared_ptr<Installable>> result;
|
|
|
|
if (file || expr) {
|
|
if (file && expr)
|
|
throw UsageError("'--file' and '--expr' are exclusive");
|
|
|
|
// FIXME: backward compatibility hack
|
|
if (file) evalSettings.pureEval = false;
|
|
|
|
auto state = getEvalState();
|
|
auto vFile = state->allocValue();
|
|
|
|
if (file)
|
|
state->evalFile(lookupFileArg(*state, *file), *vFile);
|
|
else {
|
|
auto e = state->parseExprFromString(*expr, absPath("."));
|
|
state->eval(e, *vFile);
|
|
}
|
|
|
|
for (auto & s : ss)
|
|
result.push_back(std::make_shared<InstallableAttrPath>(state, *this, vFile, s == "." ? "" : s));
|
|
|
|
} else {
|
|
|
|
for (auto & s : ss) {
|
|
std::exception_ptr ex;
|
|
|
|
try {
|
|
auto [flakeRef, fragment] = parseFlakeRefWithFragment(s, absPath("."));
|
|
result.push_back(std::make_shared<InstallableFlake>(
|
|
this,
|
|
getEvalState(),
|
|
std::move(flakeRef),
|
|
fragment == "" ? getDefaultFlakeAttrPaths() : Strings{fragment},
|
|
getDefaultFlakeAttrPathPrefixes(),
|
|
lockFlags));
|
|
continue;
|
|
} catch (...) {
|
|
ex = std::current_exception();
|
|
}
|
|
|
|
if (s.find('/') != std::string::npos) {
|
|
try {
|
|
result.push_back(std::make_shared<InstallableStorePath>(store, store->followLinksToStorePath(s)));
|
|
continue;
|
|
} catch (BadStorePath &) {
|
|
} catch (...) {
|
|
if (!ex)
|
|
ex = std::current_exception();
|
|
}
|
|
}
|
|
|
|
std::rethrow_exception(ex);
|
|
|
|
/*
|
|
throw Error(
|
|
pathExists(s)
|
|
? "path '%s' is not a flake or a store path"
|
|
: "don't know how to handle argument '%s'", s);
|
|
*/
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
|
|
ref<Store> store, const std::string & installable)
|
|
{
|
|
auto installables = parseInstallables(store, {installable});
|
|
assert(installables.size() == 1);
|
|
return installables.front();
|
|
}
|
|
|
|
Buildables build(ref<Store> store, Realise mode,
|
|
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode)
|
|
{
|
|
if (mode == Realise::Nothing)
|
|
settings.readOnlyMode = true;
|
|
|
|
Buildables buildables;
|
|
|
|
std::vector<StorePathWithOutputs> pathsToBuild;
|
|
|
|
for (auto & i : installables) {
|
|
for (auto & b : i->toBuildables()) {
|
|
std::visit(overloaded {
|
|
[&](BuildableOpaque bo) {
|
|
pathsToBuild.push_back({bo.path});
|
|
},
|
|
[&](BuildableFromDrv bfd) {
|
|
StringSet outputNames;
|
|
for (auto & output : bfd.outputs)
|
|
outputNames.insert(output.first);
|
|
pathsToBuild.push_back({bfd.drvPath, outputNames});
|
|
},
|
|
}, b);
|
|
buildables.push_back(std::move(b));
|
|
}
|
|
}
|
|
|
|
if (mode == Realise::Nothing)
|
|
printMissing(store, pathsToBuild, lvlError);
|
|
else if (mode == Realise::Outputs)
|
|
store->buildPaths(pathsToBuild, bMode);
|
|
|
|
return buildables;
|
|
}
|
|
|
|
std::set<RealisedPath> toRealisedPaths(
|
|
ref<Store> store,
|
|
Realise mode,
|
|
OperateOn operateOn,
|
|
std::vector<std::shared_ptr<Installable>> installables)
|
|
{
|
|
std::set<RealisedPath> res;
|
|
if (operateOn == OperateOn::Output) {
|
|
for (auto & b : build(store, mode, installables))
|
|
std::visit(overloaded {
|
|
[&](BuildableOpaque bo) {
|
|
res.insert(bo.path);
|
|
},
|
|
[&](BuildableFromDrv bfd) {
|
|
auto drv = store->readDerivation(bfd.drvPath);
|
|
auto outputHashes = staticOutputHashes(*store, drv);
|
|
for (auto & output : bfd.outputs) {
|
|
if (settings.isExperimentalFeatureEnabled("ca-derivations")) {
|
|
if (!outputHashes.count(output.first))
|
|
throw Error(
|
|
"the derivation '%s' doesn't have an output named '%s'",
|
|
store->printStorePath(bfd.drvPath),
|
|
output.first);
|
|
auto outputId = DrvOutput{outputHashes.at(output.first), output.first};
|
|
auto realisation = store->queryRealisation(outputId);
|
|
if (!realisation)
|
|
throw Error("cannot operate on an output of unbuilt content-addresed derivation '%s'", outputId.to_string());
|
|
res.insert(RealisedPath{*realisation});
|
|
}
|
|
else {
|
|
// If ca-derivations isn't enabled, behave as if
|
|
// all the paths are opaque to keep the default
|
|
// behavior
|
|
assert(output.second);
|
|
res.insert(*output.second);
|
|
}
|
|
}
|
|
},
|
|
}, b);
|
|
} 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))
|
|
res.insert(bfd->drvPath);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
StorePathSet toStorePaths(ref<Store> store,
|
|
Realise mode, OperateOn operateOn,
|
|
std::vector<std::shared_ptr<Installable>> installables)
|
|
{
|
|
StorePathSet outPaths;
|
|
for (auto & path : toRealisedPaths(store, mode, operateOn, installables))
|
|
outPaths.insert(path.path());
|
|
return outPaths;
|
|
}
|
|
|
|
StorePath toStorePath(ref<Store> store,
|
|
Realise mode, OperateOn operateOn,
|
|
std::shared_ptr<Installable> installable)
|
|
{
|
|
auto paths = toStorePaths(store, mode, operateOn, {installable});
|
|
|
|
if (paths.size() != 1)
|
|
throw Error("argument '%s' should evaluate to one store path", installable->what());
|
|
|
|
return *paths.begin();
|
|
}
|
|
|
|
StorePathSet toDerivations(ref<Store> store,
|
|
std::vector<std::shared_ptr<Installable>> installables, bool useDeriver)
|
|
{
|
|
StorePathSet drvPaths;
|
|
|
|
for (auto & i : installables)
|
|
for (auto & b : i->toBuildables())
|
|
std::visit(overloaded {
|
|
[&](BuildableOpaque bo) {
|
|
if (!useDeriver)
|
|
throw Error("argument '%s' did not evaluate to a derivation", i->what());
|
|
auto derivers = store->queryValidDerivers(bo.path);
|
|
if (derivers.empty())
|
|
throw Error("'%s' does not have a known deriver", i->what());
|
|
// FIXME: use all derivers?
|
|
drvPaths.insert(*derivers.begin());
|
|
},
|
|
[&](BuildableFromDrv bfd) {
|
|
drvPaths.insert(bfd.drvPath);
|
|
},
|
|
}, b);
|
|
|
|
return drvPaths;
|
|
}
|
|
|
|
InstallablesCommand::InstallablesCommand()
|
|
{
|
|
expectArgs({
|
|
.label = "installables",
|
|
.handler = {&_installables},
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
completeInstallable(prefix);
|
|
}}
|
|
});
|
|
}
|
|
|
|
void InstallablesCommand::prepare()
|
|
{
|
|
if (_installables.empty() && useDefaultInstallables())
|
|
// FIXME: commands like "nix install" should not have a
|
|
// default, probably.
|
|
_installables.push_back(".");
|
|
installables = parseInstallables(getStore(), _installables);
|
|
}
|
|
|
|
std::optional<FlakeRef> InstallablesCommand::getFlakeRefForCompletion()
|
|
{
|
|
if (_installables.empty()) {
|
|
if (useDefaultInstallables())
|
|
return parseFlakeRef(".", absPath("."));
|
|
return {};
|
|
}
|
|
return parseFlakeRef(_installables.front(), absPath("."));
|
|
}
|
|
|
|
InstallableCommand::InstallableCommand()
|
|
{
|
|
expectArgs({
|
|
.label = "installable",
|
|
.optional = true,
|
|
.handler = {&_installable},
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
completeInstallable(prefix);
|
|
}}
|
|
});
|
|
}
|
|
|
|
void InstallableCommand::prepare()
|
|
{
|
|
installable = parseInstallable(getStore(), _installable);
|
|
}
|
|
|
|
}
|