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Clean up DerivationOutput, and headers

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1. `DerivationOutput` now as the `std::variant` as a base class. And the
   variants are given hierarchical names under `DerivationOutput`.

   In 8e0d0689be @matthewbauer and I
   didn't know a better idiom, and so we made it a field. But this sort
   of "newtype" is anoying for literals downstream.

   Since then we leaned the base class, inherit the constructors trick,
   e.g. used in `DerivedPath`. Switching to use that makes this more
   ergonomic, and consistent.

2. `store-api.hh` and `derivations.hh` are now independent.

   In bcde5456cc I swapped the dependency,
   but I now know it is better to just keep on using incomplete types as
   much as possible for faster compilation and good separation of
   concerns.
This commit is contained in:
John Ericson 2022-03-17 22:29:15 +00:00
parent 6afc361798
commit 197feed51d
16 changed files with 113 additions and 103 deletions
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36
src/libexpr/primops.cc
View file

@ -1163,26 +1163,24 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
auto outPath = state.store->makeFixedOutputPath(ingestionMethod, h, drvName);
drv.env["out"] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign("out", DerivationOutput {
.output = DerivationOutputCAFixed {
.hash = FixedOutputHash {
.method = ingestionMethod,
.hash = std::move(h),
},
drv.outputs.insert_or_assign("out",
DerivationOutput::CAFixed {
.hash = FixedOutputHash {
.method = ingestionMethod,
.hash = std::move(h),
},
});
});
}
else if (contentAddressed) {
HashType ht = parseHashType(outputHashAlgo);
for (auto & i : outputs) {
drv.env[i] = hashPlaceholder(i);
drv.outputs.insert_or_assign(i, DerivationOutput {
.output = DerivationOutputCAFloating {
drv.outputs.insert_or_assign(i,
DerivationOutput::CAFloating {
.method = ingestionMethod,
.hashType = ht,
},
});
});
}
}
@ -1196,10 +1194,8 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
for (auto & i : outputs) {
drv.env[i] = "";
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = StorePath::dummy,
},
DerivationOutput::InputAddressed {
.path = StorePath::dummy,
});
}
@ -1213,9 +1209,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
case DrvHash::Kind::Deferred:
for (auto & i : outputs) {
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputDeferred{},
});
DerivationOutput::Deferred { });
}
break;
case DrvHash::Kind::Regular:
@ -1223,10 +1217,8 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
auto outPath = state.store->makeOutputPath(i, h, drvName);
drv.env[i] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(outPath),
},
DerivationOutput::InputAddressed {
.path = std::move(outPath),
});
}
break;