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Add name to BasicDerivation

We always have a name for BasicDerivation, since we have a derivation
store path that has a name.
This commit is contained in:
Matthew Bauer 2020-07-08 15:38:01 -04:00
parent 7d8d78f06a
commit af95a7c16b
6 changed files with 21 additions and 14 deletions

View file

@ -102,9 +102,11 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
Path realPath = state.checkSourcePath(state.toRealPath(path, context));
StorePath storePath = state.store->parseStorePath(path);
// FIXME
if (state.store->isStorePath(path) && state.store->isValidPath(state.store->parseStorePath(path)) && isDerivation(path)) {
Derivation drv = readDerivation(*state.store, realPath);
if (state.store->isStorePath(path) && state.store->isValidPath(storePath) && isDerivation(path)) {
Derivation drv = readDerivation(*state.store, realPath, std::string(storePath.name()));
Value & w = *state.allocValue();
state.mkAttrs(w, 3 + drv.outputs.size());
Value * v2 = state.allocAttr(w, state.sDrvPath);

View file

@ -474,7 +474,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case wopBuildDerivation: {
auto drvPath = store->parseStorePath(readString(from));
BasicDerivation drv;
readDerivation(from, *store, drv);
readDerivation(from, *store, drv, std::string(drvPath.name()));
BuildMode buildMode = (BuildMode) readInt(from);
logger->startWork();
if (!trusted)

View file

@ -129,9 +129,11 @@ static DerivationOutput parseDerivationOutput(const Store & store, istringstream
}
static Derivation parseDerivation(const Store & store, const string & s)
static Derivation parseDerivation(const Store & store, const string & s, string name)
{
Derivation drv;
drv.name = name;
istringstream_nocopy str(s);
expect(str, "Derive([");
@ -175,10 +177,10 @@ static Derivation parseDerivation(const Store & store, const string & s)
}
Derivation readDerivation(const Store & store, const Path & drvPath)
Derivation readDerivation(const Store & store, const Path & drvPath, std::string name)
{
try {
return parseDerivation(store, readFile(drvPath));
return parseDerivation(store, readFile(drvPath), name);
} catch (FormatError & e) {
throw Error("error parsing derivation '%1%': %2%", drvPath, e.msg());
}
@ -196,7 +198,7 @@ Derivation Store::readDerivation(const StorePath & drvPath)
{
auto accessor = getFSAccessor();
try {
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)));
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)), std::string(drvPath.name()));
} catch (FormatError & e) {
throw Error("error parsing derivation '%s': %s", printStorePath(drvPath), e.msg());
}
@ -369,7 +371,7 @@ Hash hashDerivationModulo(Store & store, const Derivation & drv, bool maskOutput
if (h == drvHashes.end()) {
assert(store.isValidPath(i.first));
h = drvHashes.insert_or_assign(i.first, hashDerivationModulo(store,
store.readDerivation(i.first), false)).first;
store.readDerivation(i.first), false)).first;
}
inputs2.insert_or_assign(h->second.to_string(Base16, false), i.second);
}
@ -435,8 +437,10 @@ StringSet BasicDerivation::outputNames() const
}
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv)
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv, string name)
{
drv.name = name;
drv.outputs.clear();
auto nr = readNum<size_t>(in);
for (size_t n = 0; n < nr; n++) {

View file

@ -35,6 +35,7 @@ struct BasicDerivation
Path builder;
Strings args;
StringPairs env;
string name;
BasicDerivation() { }
virtual ~BasicDerivation() { };
@ -76,7 +77,7 @@ StorePath writeDerivation(ref<Store> store,
const Derivation & drv, std::string_view name, RepairFlag repair = NoRepair);
/* Read a derivation from a file. */
Derivation readDerivation(const Store & store, const Path & drvPath);
Derivation readDerivation(const Store & store, const Path & drvPath, string name);
// FIXME: remove
bool isDerivation(const string & fileName);
@ -93,7 +94,7 @@ bool wantOutput(const string & output, const std::set<string> & wanted);
struct Source;
struct Sink;
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv);
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv, string name);
void writeDerivation(Sink & out, const Store & store, const BasicDerivation & drv);
std::string hashPlaceholder(const std::string & outputName);

View file

@ -914,9 +914,9 @@ static void opServe(Strings opFlags, Strings opArgs)
if (!writeAllowed) throw Error("building paths is not allowed");
auto drvPath = store->parseStorePath(readString(in)); // informational only
auto drvPath = store->parseStorePath(readString(in));
BasicDerivation drv;
readDerivation(in, *store, drv);
readDerivation(in, *store, drv, std::string(drvPath.name()));
getBuildSettings();

View file

@ -483,7 +483,7 @@ bool NixRepl::processLine(string line)
but doing it in a child makes it easier to recover from
problems / SIGINT. */
if (runProgram(settings.nixBinDir + "/nix", Strings{"build", "--no-link", drvPath}) == 0) {
auto drv = readDerivation(*state->store, drvPath);
auto drv = readDerivation(*state->store, drvPath, std::string(state->store->parseStorePath(drvPath).name()));
std::cout << std::endl << "this derivation produced the following outputs:" << std::endl;
for (auto & i : drv.outputs)
std::cout << fmt(" %s -> %s\n", i.first, state->store->printStorePath(i.second.path));