diff options
Diffstat (limited to 'src/libexpr/primops.cc')
-rw-r--r-- | src/libexpr/primops.cc | 134 |
1 files changed, 65 insertions, 69 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 021204f08..2df9277c9 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -44,19 +44,19 @@ 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) { - auto [ctx, outputName] = decodeContext(i); - assert(store->isStorePath(ctx)); + auto [ctxS, outputName] = decodeContext(i); + auto ctx = store->parseStorePath(ctxS); if (!store->isValidPath(ctx)) - throw InvalidPathError(ctx); - if (!outputName.empty() && nix::isDerivation(ctx)) { - drvs.insert(ctx + "!" + outputName); + throw InvalidPathError(store->printStorePath(ctx)); + if (!outputName.empty() && ctx.isDerivation()) { + drvs.push_back(StorePathWithOutputs{ctx.clone(), {outputName}}); /* Add the output of this derivation to the allowed paths. */ @@ -64,8 +64,8 @@ void EvalState::realiseContext(const PathSet & context) auto drv = store->derivationFromPath(ctx); DerivationOutputs::iterator i = drv.outputs.find(outputName); if (i == drv.outputs.end()) - throw Error("derivation '%s' does not have an output named '%s'", ctx, outputName); - allowedPaths->insert(i->second.path); + throw Error("derivation '%s' does not have an output named '%s'", ctxS, outputName); + allowedPaths->insert(store->printStorePath(i->second.path)); } } } @@ -73,10 +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); @@ -100,8 +101,9 @@ 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 +117,7 @@ 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 +678,24 @@ 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 +705,8 @@ 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 +716,51 @@ 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 +813,7 @@ 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 +1009,17 @@ 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 +1059,18 @@ 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 +1087,7 @@ 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 +2147,7 @@ void EvalState::createBaseEnv() } if (!evalSettings.pureEval) { - mkString(v, settings.thisSystem); + mkString(v, settings.thisSystem.get()); addConstant("__currentSystem", v); } |