From ecc8088cb7e91e4c45787f290c8ff61547fb838a Mon Sep 17 00:00:00 2001
From: Robert Hensing <roberth@users.noreply.github.com>
Date: Thu, 17 Sep 2020 21:32:01 +0200
Subject: [PATCH] wopAddToStore: Throw to clarify unused refs

Co-authored-by: John Ericson <git@JohnEricson.me>
---
 src/libstore/daemon.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libstore/daemon.cc b/src/libstore/daemon.cc
index 0a08a2e12..f2d789699 100644
--- a/src/libstore/daemon.cc
+++ b/src/libstore/daemon.cc
@@ -366,6 +366,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
                         return store->addTextToStore(name, contents, refs);
                     },
                     [&](FixedOutputHashMethod &fohm) -> StorePath {
+                        if (!refs.empty())
+                            throw UnimplementedError("cannot yet have refs with flat or nar-hashed data");
                         return store->addToStoreFromDump(source, name, fohm.fileIngestionMethod, fohm.hashType);
                     },
                 }, contentAddressMethod);