Merge pull request #9587 from amjoseph-nixpkgs/pr/wopBuildDerivation/explain

libstore/daemon.cc: note trust model difference in readDerivation()s

(cherry picked from commit 5c917c3204)
Change-Id: I9945bc84e9529b005eafdc5c08b5bf1553335340
This commit is contained in:
eldritch horrors 2024-03-04 07:13:00 +01:00
parent 2e2f2579fa
commit fa03f23923

View file

@ -574,6 +574,15 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case WorkerProto::Op::BuildDerivation: {
auto drvPath = store->parseStorePath(readString(from));
BasicDerivation drv;
/*
* Note: unlike wopEnsurePath, this operation reads a
* derivation-to-be-realized from the client with
* readDerivation(Source,Store) rather than reading it from
* the local store with Store::readDerivation(). Since the
* derivation-to-be-realized is not registered in the store
* it cannot be trusted that its outPath was calculated
* correctly.
*/
readDerivation(from, *store, drv, Derivation::nameFromPath(drvPath));
BuildMode buildMode = (BuildMode) readInt(from);
logger->startWork();