libstore: parse the buildMode instead of unchecked cast

Change-Id: Icf6af7935e8f139bef36b40ad475e973aa48855c

1 files changed, 3 insertions, 3 deletions

diff --git a/src/libstore/daemon.cc b/src/libstore/daemon.cc
index 242b4ddc6..420fc8bfe 100644
--- a/src/libstore/daemon.cc
+++ b/src/libstore/daemon.cc
@@ -527,7 +527,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
         auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
         BuildMode mode = bmNormal;
         if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
-            mode = (BuildMode) readInt(from);
+            mode = buildModeFromInteger(readInt(from));
 
             /* Repairing is not atomic, so disallowed for "untrusted"
                clients.
@@ -551,7 +551,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
     case WorkerProto::Op::BuildPathsWithResults: {
         auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
         BuildMode mode = bmNormal;
-        mode = (BuildMode) readInt(from);
+        mode = buildModeFromInteger(readInt(from));
 
         /* Repairing is not atomic, so disallowed for "untrusted"
            clients.
@@ -582,7 +582,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
          * correctly.
          */
         readDerivation(from, *store, drv, Derivation::nameFromPath(drvPath));
-        BuildMode buildMode = (BuildMode) readInt(from);
+        BuildMode buildMode = buildModeFromInteger(readInt(from));
         logger->startWork();
 
         auto drvType = drv.type();