`queryDerivationOutputMap` no longer assumes all outputs have a mapping

This assumption is broken by CA derivations. Making a PR now to do the
breaking daemon change as soon as possible (if it is already too late,
we can bump protocol intead).

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstore/daemon.cc b/src/libstore/daemon.cc
index 7e16529a5..82833f5c3 100644
--- a/src/libstore/daemon.cc
+++ b/src/libstore/daemon.cc
@@ -325,9 +325,9 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
     case wopQueryDerivationOutputMap: {
         auto path = store->parseStorePath(readString(from));
         logger->startWork();
-        OutputPathMap outputs = store->queryDerivationOutputMap(path);
+        auto outputs = store->queryDerivationOutputMap(path);
         logger->stopWork();
-        writeOutputPathMap(*store, to, outputs);
+        write(*store, to, outputs);
         break;
     }