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Merge branch 'master' of github.com:NixOS/nix into new-interface-for-path-pathOpt

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This commit is contained in:
Carlo Nucera 2020-08-05 15:45:33 -04:00
commit 1d2e80ddd6
78 changed files with 1268 additions and 673 deletions
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34
src/libexpr/primops.cc
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@ -65,7 +65,7 @@ void EvalState::realiseContext(const PathSet & context)
/* For performance, prefetch all substitute info. */
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
@ -583,6 +583,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
PathSet context;
bool contentAddressed = false;
std::optional<std::string> outputHash;
std::string outputHashAlgo;
auto ingestionMethod = FileIngestionMethod::Flat;
@ -639,9 +640,14 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
if (i->value->type == tNull) continue;
}
if (i->name == state.sContentAddressed) {
settings.requireExperimentalFeature("ca-derivations");
contentAddressed = state.forceBool(*i->value, pos);
}
/* The `args' attribute is special: it supplies the
command-line arguments to the builder. */
if (i->name == state.sArgs) {
else if (i->name == state.sArgs) {
state.forceList(*i->value, pos);
for (unsigned int n = 0; n < i->value->listSize(); ++n) {
string s = state.coerceToString(posDrvName, *i->value->listElems()[n], context, true);
@ -694,7 +700,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
}
} catch (Error & e) {
e.addTrace(posDrvName,
e.addTrace(posDrvName,
"while evaluating the attribute '%1%' of the derivation '%2%'",
key, drvName);
throw;
@ -761,7 +767,10 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
});
if (outputHash) {
/* Handle fixed-output derivations. */
/* Handle fixed-output derivations.
Ignore `__contentAddressed` because fixed output derivations are
already content addressed. */
if (outputs.size() != 1 || *(outputs.begin()) != "out")
throw Error({
.hint = hintfmt("multiple outputs are not supported in fixed-output derivations"),
@ -774,7 +783,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
auto outPath = state.store->makeFixedOutputPath(ingestionMethod, h, drvName);
if (!jsonObject) drv.env["out"] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign("out", DerivationOutput {
.output = DerivationOutputFixed {
.output = DerivationOutputCAFixed {
.hash = FixedOutputHash {
.method = ingestionMethod,
.hash = std::move(h),
@ -783,6 +792,19 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
});
}
else if (contentAddressed) {
HashType ht = parseHashType(outputHashAlgo);
for (auto & i : outputs) {
if (!jsonObject) drv.env[i] = hashPlaceholder(i);
drv.outputs.insert_or_assign(i, DerivationOutput {
.output = DerivationOutputCAFloating {
.method = ingestionMethod,
.hashType = std::move(ht),
},
});
}
}
else {
/* Compute a hash over the "masked" store derivation, which is
the final one except that in the list of outputs, the
@ -1201,7 +1223,7 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
string name;
Value * filterFun = nullptr;
auto method = FileIngestionMethod::Recursive;
Hash expectedHash(htSHA256);
std::optional<Hash> expectedHash;
for (auto & attr : *args[0]->attrs) {
const string & n(attr.name);