diff options
Diffstat (limited to 'src/libexpr')
| -rw-r--r-- | src/libexpr/eval.cc | 9 | ||||
| -rw-r--r-- | src/libexpr/eval.hh | 1 | ||||
| -rw-r--r-- | src/libexpr/primops.cc | 34 | ||||
| -rw-r--r-- | src/libexpr/primops/fetchMercurial.cc | 2 |
4 files changed, 36 insertions, 10 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 7a2f55504..0123070d1 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -345,6 +345,7 @@ EvalState::EvalState(const Strings & _searchPath, ref<Store> store) , sStructuredAttrs(symbols.create("__structuredAttrs")) , sBuilder(symbols.create("builder")) , sArgs(symbols.create("args")) + , sContentAddressed(symbols.create("__contentAddressed")) , sOutputHash(symbols.create("outputHash")) , sOutputHashAlgo(symbols.create("outputHashAlgo")) , sOutputHashMode(symbols.create("outputHashMode")) @@ -1256,10 +1257,10 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po try { lambda.body->eval(*this, env2, v); } catch (Error & e) { - addErrorTrace(e, lambda.pos, "while evaluating %s", - (lambda.name.set() - ? "'" + (string) lambda.name + "'" - : "anonymous lambdaction")); + addErrorTrace(e, lambda.pos, "while evaluating %s", + (lambda.name.set() + ? "'" + (string) lambda.name + "'" + : "anonymous lambda")); addErrorTrace(e, pos, "from call site%s", ""); throw; } diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh index 8986952e3..0382298b3 100644 --- a/src/libexpr/eval.hh +++ b/src/libexpr/eval.hh @@ -74,6 +74,7 @@ public: sSystem, sOverrides, sOutputs, sOutputName, sIgnoreNulls, sFile, sLine, sColumn, sFunctor, sToString, sRight, sWrong, sStructuredAttrs, sBuilder, sArgs, + sContentAddressed, sOutputHash, sOutputHashAlgo, sOutputHashMode, sRecurseForDerivations, sDescription, sSelf, sEpsilon; diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 05d499d1f..65d36ca0e 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -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 @@ -800,7 +822,9 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * }); } - Hash h = hashDerivationModulo(*state.store, Derivation(drv), true); + // Regular, non-CA derivation should always return a single hash and not + // hash per output. + Hash h = std::get<0>(hashDerivationModulo(*state.store, Derivation(drv), true)); for (auto & i : outputs) { auto outPath = state.store->makeOutputPath(i, h, drvName); diff --git a/src/libexpr/primops/fetchMercurial.cc b/src/libexpr/primops/fetchMercurial.cc index fc2a6a1c2..cef85cfef 100644 --- a/src/libexpr/primops/fetchMercurial.cc +++ b/src/libexpr/primops/fetchMercurial.cc @@ -31,7 +31,7 @@ static void prim_fetchMercurial(EvalState & state, const Pos & pos, Value * * ar // be both a revision or a branch/tag name. auto value = state.forceStringNoCtx(*attr.value, *attr.pos); if (std::regex_match(value, revRegex)) - rev = Hash(value, htSHA1); + rev = Hash::parseAny(value, htSHA1); else ref = value; } |