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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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4
src/nix-build/nix-build.cc
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@ -12,6 +12,7 @@
#include "affinity.hh"
#include "util.hh"
#include "shared.hh"
#include "path-with-outputs.hh"
#include "eval.hh"
#include "eval-inline.hh"
#include "get-drvs.hh"
@ -321,7 +322,8 @@ static void main_nix_build(int argc, char * * argv)
state->printStats();
auto buildPaths = [&](const std::vector<StorePathWithOutputs> & paths) {
auto buildPaths = [&](const std::vector<StorePathWithOutputs> & paths0) {
auto paths = toBuildableReqs(paths0);
/* Note: we do this even when !printMissing to efficiently
fetch binary cache data. */
uint64_t downloadSize, narSize;