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String .drv suffix to create derivation name

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This commit is contained in:
John Ericson 2020-07-12 15:26:30 +00:00
parent 5d0b75e5b6
commit 18152406ce
6 changed files with 16 additions and 5 deletions
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2
src/libexpr/primops.cc
View file

@ -113,7 +113,7 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
};
if (auto optStorePath = isValidDerivationInStore()) {
auto storePath = *optStorePath;
Derivation drv = readDerivation(*state.store, realPath, std::string(storePath.name()));
Derivation drv = readDerivation(*state.store, realPath, Derivation::nameFromPath(storePath));
Value & w = *state.allocValue();
state.mkAttrs(w, 3 + drv.outputs.size());
Value * v2 = state.allocAttr(w, state.sDrvPath);

2
src/libstore/daemon.cc
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, std::string(drvPath.name()));
readDerivation(from, *store, drv, Derivation::nameFromPath(drvPath));
BuildMode buildMode = (BuildMode) readInt(from);
logger->startWork();
if (!trusted)

11
src/libstore/derivations.cc
View file

@ -218,7 +218,7 @@ Derivation Store::readDerivation(const StorePath & drvPath)
{
auto accessor = getFSAccessor();
try {
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)), std::string(drvPath.name()));
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)), Derivation::nameFromPath(drvPath));
} catch (FormatError & e) {
throw Error("error parsing derivation '%s': %s", printStorePath(drvPath), e.msg());
}
@ -465,6 +465,15 @@ StringSet BasicDerivation::outputNames() const
}
std::string_view BasicDerivation::nameFromPath(const StorePath & drvPath) {
auto nameWithSuffix = drvPath.name();
constexpr std::string_view extension = ".drv";
assert(hasSuffix(nameWithSuffix, extension));
nameWithSuffix.remove_suffix(extension.size());
return nameWithSuffix;
}
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv, std::string_view name)
{
drv.name = name;

2
src/libstore/derivations.hh
View file

@ -64,6 +64,8 @@ struct BasicDerivation
/* Return the output names of a derivation. */
StringSet outputNames() const;
static std::string_view nameFromPath(const StorePath & storePath);
};
struct Derivation : BasicDerivation

2
src/nix-store/nix-store.cc
View file

@ -916,7 +916,7 @@ static void opServe(Strings opFlags, Strings opArgs)
auto drvPath = store->parseStorePath(readString(in));
BasicDerivation drv;
readDerivation(in, *store, drv, std::string(drvPath.name()));
readDerivation(in, *store, drv, Derivation::nameFromPath(drvPath));
getBuildSettings();

2
src/nix/repl.cc
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, std::string(state->store->parseStorePath(drvPath).name()));
auto drv = readDerivation(*state->store, drvPath, Derivation::nameFromPath(state->store->parseStorePath(drvPath)));
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(*state->store, drv.name)));