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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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11
src/nix-store/nix-store.cc
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@ -10,6 +10,7 @@
#include "worker-protocol.hh"
#include "graphml.hh"
#include "legacy.hh"
#include "path-with-outputs.hh"
#include <iostream>
#include <algorithm>
@ -62,7 +63,7 @@ static PathSet realisePath(StorePathWithOutputs path, bool build = true)
auto store2 = std::dynamic_pointer_cast<LocalFSStore>(store);
if (path.path.isDerivation()) {
if (build) store->buildPaths({path});
if (build) store->buildPaths({path.toBuildableReq()});
auto outputPaths = store->queryDerivationOutputMap(path.path);
Derivation drv = store->derivationFromPath(path.path);
rootNr++;
@ -132,7 +133,9 @@ static void opRealise(Strings opFlags, Strings opArgs)
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->queryMissing(
toBuildableReqs(paths),
willBuild, willSubstitute, unknown, downloadSize, narSize);
if (ignoreUnknown) {
std::vector<StorePathWithOutputs> paths2;
@ -148,7 +151,7 @@ static void opRealise(Strings opFlags, Strings opArgs)
if (dryRun) return;
/* Build all paths at the same time to exploit parallelism. */
store->buildPaths(paths, buildMode);
store->buildPaths(toBuildableReqs(paths), buildMode);
if (!ignoreUnknown)
for (auto & i : paths) {
@ -879,7 +882,7 @@ static void opServe(Strings opFlags, Strings opArgs)
try {
MonitorFdHup monitor(in.fd);
store->buildPaths(paths);
store->buildPaths(toBuildableReqs(paths));
out << 0;
} catch (Error & e) {
assert(e.status);