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Use BuildableReq for buildPaths and ensurePath

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This avoids an ambiguity where the `StorePathWithOutputs { drvPath, {}
}` could mean "build `brvPath`" or "substitute `drvPath`" depending on
context.

It also brings the internals closer in line to the new CLI, by
generalizing the `Buildable` type is used there and makes that
distinction already.

In doing so, relegate `StorePathWithOutputs` to being a type just for
backwards compatibility (CLI and RPC).
This commit is contained in:
John Ericson 2021-03-02 03:50:41 +00:00
parent 32f4454b9f
commit 255d145ba7
31 changed files with 364 additions and 126 deletions
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7
src/libcmd/installables.cc
View file

@ -679,19 +679,20 @@ Buildables build(ref<Store> store, Realise mode,
Buildables buildables;
std::vector<StorePathWithOutputs> pathsToBuild;
std::vector<BuildableReq> pathsToBuild;
for (auto & i : installables) {
for (auto & b : i->toBuildables()) {
std::visit(overloaded {
[&](BuildableOpaque bo) {
pathsToBuild.push_back({bo.path});
pathsToBuild.push_back(bo);
},
[&](BuildableFromDrv bfd) {
StringSet outputNames;
for (auto & output : bfd.outputs)
outputNames.insert(output.first);
pathsToBuild.push_back({bfd.drvPath, outputNames});
pathsToBuild.push_back(
BuildableReqFromDrv{bfd.drvPath, outputNames});
},
}, b);
buildables.push_back(std::move(b));