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-rw-r--r--src/libexpr/primops.cc133
1 files changed, 64 insertions, 69 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index d693a3b20..3ef827ebc 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -44,29 +44,28 @@ std::pair<string, string> decodeContext(const string & s)
InvalidPathError::InvalidPathError(const Path & path) :
- EvalError(format("path '%1%' is not valid") % path), path(path) {}
+ EvalError("path '%s' is not valid", path), path(path) {}
void EvalState::realiseContext(const PathSet & context)
{
- PathSet drvs;
+ std::vector<StorePathWithOutputs> drvs;
for (auto & i : context) {
std::pair<string, string> decoded = decodeContext(i);
- Path ctx = decoded.first;
- assert(store->isStorePath(ctx));
+ auto ctx = store->parseStorePath(decoded.first);
if (!store->isValidPath(ctx))
- throw InvalidPathError(ctx);
- if (!decoded.second.empty() && nix::isDerivation(ctx)) {
- drvs.insert(decoded.first + "!" + decoded.second);
+ throw InvalidPathError(store->printStorePath(ctx));
+ if (!decoded.second.empty() && ctx.isDerivation()) {
+ drvs.push_back(StorePathWithOutputs{ctx.clone(), {decoded.second}});
/* Add the output of this derivation to the allowed
paths. */
if (allowedPaths) {
- auto drv = store->derivationFromPath(decoded.first);
+ auto drv = store->derivationFromPath(store->parseStorePath(decoded.first));
DerivationOutputs::iterator i = drv.outputs.find(decoded.second);
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'", decoded.first, decoded.second);
- allowedPaths->insert(i->second.path);
+ allowedPaths->insert(store->printStorePath(i->second.path));
}
}
}
@@ -74,10 +73,11 @@ void EvalState::realiseContext(const PathSet & context)
if (drvs.empty()) return;
if (!evalSettings.enableImportFromDerivation)
- throw EvalError(format("attempted to realize '%1%' during evaluation but 'allow-import-from-derivation' is false") % *(drvs.begin()));
+ throw EvalError("attempted to realize '%1%' during evaluation but 'allow-import-from-derivation' is false",
+ store->printStorePath(drvs.begin()->path));
/* For performance, prefetch all substitute info. */
- PathSet willBuild, willSubstitute, unknown;
+ StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
@@ -100,8 +100,9 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
Path realPath = state.checkSourcePath(state.toRealPath(path, context));
- if (state.store->isStorePath(path) && state.store->isValidPath(path) && isDerivation(path)) {
- Derivation drv = readDerivation(realPath);
+ // FIXME
+ if (state.store->isStorePath(path) && state.store->isValidPath(state.store->parseStorePath(path)) && isDerivation(path)) {
+ Derivation drv = readDerivation(*state.store, realPath);
Value & w = *state.allocValue();
state.mkAttrs(w, 3 + drv.outputs.size());
Value * v2 = state.allocAttr(w, state.sDrvPath);
@@ -115,7 +116,7 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
for (const auto & o : drv.outputs) {
v2 = state.allocAttr(w, state.symbols.create(o.first));
- mkString(*v2, o.second.path, {"!" + o.first + "!" + path});
+ mkString(*v2, state.store->printStorePath(o.second.path), {"!" + o.first + "!" + path});
outputsVal->listElems()[outputs_index] = state.allocValue();
mkString(*(outputsVal->listElems()[outputs_index++]), o.first);
}
@@ -676,24 +677,24 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
runs. */
if (path.at(0) == '=') {
/* !!! This doesn't work if readOnlyMode is set. */
- PathSet refs;
- state.store->computeFSClosure(string(path, 1), refs);
+ StorePathSet refs;
+ state.store->computeFSClosure(state.store->parseStorePath(std::string_view(path).substr(1)), refs);
for (auto & j : refs) {
- drv.inputSrcs.insert(j);
- if (isDerivation(j))
- drv.inputDrvs[j] = state.store->queryDerivationOutputNames(j);
+ drv.inputSrcs.insert(j.clone());
+ if (j.isDerivation())
+ drv.inputDrvs[j.clone()] = state.store->queryDerivationOutputNames(j);
}
}
/* Handle derivation outputs of the form ‘!<name>!<path>’. */
else if (path.at(0) == '!') {
std::pair<string, string> ctx = decodeContext(path);
- drv.inputDrvs[ctx.first].insert(ctx.second);
+ drv.inputDrvs[state.store->parseStorePath(ctx.first)].insert(ctx.second);
}
/* Otherwise it's a source file. */
else
- drv.inputSrcs.insert(path);
+ drv.inputSrcs.insert(state.store->parseStorePath(path));
}
/* Do we have all required attributes? */
@@ -703,10 +704,8 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
throw EvalError(format("required attribute 'system' missing, at %1%") % posDrvName);
/* Check whether the derivation name is valid. */
- checkStoreName(drvName);
if (isDerivation(drvName))
- throw EvalError(format("derivation names are not allowed to end in '%1%', at %2%")
- % drvExtension % posDrvName);
+ throw EvalError("derivation names are not allowed to end in '%s', at %s", drvExtension, posDrvName);
if (outputHash) {
/* Handle fixed-output derivations. */
@@ -716,52 +715,51 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
HashType ht = outputHashAlgo.empty() ? htUnknown : parseHashType(outputHashAlgo);
Hash h(*outputHash, ht);
- Path outPath = state.store->makeFixedOutputPath(outputHashRecursive, h, drvName);
- if (!jsonObject) drv.env["out"] = outPath;
- drv.outputs["out"] = DerivationOutput(outPath,
- (outputHashRecursive ? "r:" : "") + printHashType(h.type),
- h.to_string(Base16, false));
+ auto outPath = state.store->makeFixedOutputPath(outputHashRecursive, h, drvName);
+ if (!jsonObject) drv.env["out"] = state.store->printStorePath(outPath);
+ drv.outputs.insert_or_assign("out", DerivationOutput(std::move(outPath),
+ (outputHashRecursive ? "r:" : "") + printHashType(h.type),
+ h.to_string(Base16, false)));
}
else {
- /* Construct the "masked" store derivation, which is the final
- one except that in the list of outputs, the output paths
- are empty, and the corresponding environment variables have
- an empty value. This ensures that changes in the set of
- output names do get reflected in the hash. */
+ /* Compute a hash over the "masked" store derivation, which is
+ the final one except that in the list of outputs, the
+ output paths are empty strings, and the corresponding
+ environment variables have an empty value. This ensures
+ that changes in the set of output names do get reflected in
+ the hash. */
for (auto & i : outputs) {
if (!jsonObject) drv.env[i] = "";
- drv.outputs[i] = DerivationOutput("", "", "");
}
- /* Use the masked derivation expression to compute the output
- path. */
- Hash h = hashDerivationModulo(*state.store, drv);
+ Hash h = hashDerivationModulo(*state.store, Derivation(drv), true);
- for (auto & i : drv.outputs)
- if (i.second.path == "") {
- Path outPath = state.store->makeOutputPath(i.first, h, drvName);
- if (!jsonObject) drv.env[i.first] = outPath;
- i.second.path = outPath;
- }
+ for (auto & i : outputs) {
+ auto outPath = state.store->makeOutputPath(i, h, drvName);
+ if (!jsonObject) drv.env[i] = state.store->printStorePath(outPath);
+ drv.outputs.insert_or_assign(i,
+ DerivationOutput(std::move(outPath), "", ""));
+ }
}
/* Write the resulting term into the Nix store directory. */
- Path drvPath = writeDerivation(state.store, drv, drvName, state.repair);
+ auto drvPath = writeDerivation(state.store, drv, drvName, state.repair);
+ auto drvPathS = state.store->printStorePath(drvPath);
- printMsg(lvlChatty, format("instantiated '%1%' -> '%2%'")
- % drvName % drvPath);
+ printMsg(lvlChatty, "instantiated '%1%' -> '%2%'", drvName, drvPathS);
/* Optimisation, but required in read-only mode! because in that
case we don't actually write store derivations, so we can't
read them later. */
- drvHashes[drvPath] = hashDerivationModulo(*state.store, drv);
+ drvHashes.insert_or_assign(drvPath.clone(),
+ hashDerivationModulo(*state.store, Derivation(drv), false));
state.mkAttrs(v, 1 + drv.outputs.size());
- mkString(*state.allocAttr(v, state.sDrvPath), drvPath, {"=" + drvPath});
+ mkString(*state.allocAttr(v, state.sDrvPath), drvPathS, {"=" + drvPathS});
for (auto & i : drv.outputs) {
mkString(*state.allocAttr(v, state.symbols.create(i.first)),
- i.second.path, {"!" + i.first + "!" + drvPath});
+ state.store->printStorePath(i.second.path), {"!" + i.first + "!" + drvPathS});
}
v.attrs->sort();
}
@@ -814,7 +812,7 @@ static void prim_storePath(EvalState & state, const Pos & pos, Value * * args, V
throw EvalError(format("path '%1%' is not in the Nix store, at %2%") % path % pos);
Path path2 = state.store->toStorePath(path);
if (!settings.readOnlyMode)
- state.store->ensurePath(path2);
+ state.store->ensurePath(state.store->parseStorePath(path2));
context.insert(path2);
mkString(v, path, context);
}
@@ -1010,17 +1008,17 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
string name = state.forceStringNoCtx(*args[0], pos);
string contents = state.forceString(*args[1], context, pos);
- PathSet refs;
+ StorePathSet refs;
for (auto path : context) {
if (path.at(0) != '/')
throw EvalError(format("in 'toFile': the file '%1%' cannot refer to derivation outputs, at %2%") % name % pos);
- refs.insert(path);
+ refs.insert(state.store->parseStorePath(path));
}
- Path storePath = settings.readOnlyMode
+ auto storePath = state.store->printStorePath(settings.readOnlyMode
? state.store->computeStorePathForText(name, contents, refs)
- : state.store->addTextToStore(name, contents, refs, state.repair);
+ : state.store->addTextToStore(name, contents, refs, state.repair));
/* Note: we don't need to add `context' to the context of the
result, since `storePath' itself has references to the paths
@@ -1060,21 +1058,18 @@ static void addPath(EvalState & state, const Pos & pos, const string & name, con
return state.forceBool(res, pos);
}) : defaultPathFilter;
- Path expectedStorePath;
- if (expectedHash) {
- expectedStorePath =
- state.store->makeFixedOutputPath(recursive, expectedHash, name);
- }
+ std::optional<StorePath> expectedStorePath;
+ if (expectedHash)
+ expectedStorePath = state.store->makeFixedOutputPath(recursive, expectedHash, name);
Path dstPath;
- if (!expectedHash || !state.store->isValidPath(expectedStorePath)) {
- dstPath = settings.readOnlyMode
+ if (!expectedHash || !state.store->isValidPath(*expectedStorePath)) {
+ dstPath = state.store->printStorePath(settings.readOnlyMode
? state.store->computeStorePathForPath(name, path, recursive, htSHA256, filter).first
- : state.store->addToStore(name, path, recursive, htSHA256, filter, state.repair);
- if (expectedHash && expectedStorePath != dstPath) {
- throw Error(format("store path mismatch in (possibly filtered) path added from '%1%'") % path);
- }
+ : state.store->addToStore(name, path, recursive, htSHA256, filter, state.repair));
+ if (expectedHash && expectedStorePath != state.store->parseStorePath(dstPath))
+ throw Error("store path mismatch in (possibly filtered) path added from '%s'", path);
} else
- dstPath = expectedStorePath;
+ dstPath = state.store->printStorePath(*expectedStorePath);
mkString(v, dstPath, {dstPath});
}
@@ -1091,7 +1086,7 @@ static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args
if (args[0]->type != tLambda)
throw TypeError(format("first argument in call to 'filterSource' is not a function but %1%, at %2%") % showType(*args[0]) % pos);
- addPath(state, pos, baseNameOf(path), path, args[0], true, Hash(), v);
+ addPath(state, pos, std::string(baseNameOf(path)), path, args[0], true, Hash(), v);
}
static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v)
@@ -2151,7 +2146,7 @@ void EvalState::createBaseEnv()
}
if (!evalSettings.pureEval) {
- mkString(v, settings.thisSystem);
+ mkString(v, settings.thisSystem.get());
addConstant("__currentSystem", v);
}