From 23d6bb583afb2b98cc9152911c12a37ba56d1e39 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 26 Mar 2018 23:34:25 +0200
Subject: [PATCH] LocalStore::addToStore: Throw an exception if no hash is
 given

---
 src/libstore/local-store.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index ef8c2811b..681abafef 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -976,7 +976,8 @@ const PublicKeys & LocalStore::getPublicKeys()
 void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
     RepairFlag repair, CheckSigsFlag checkSigs, std::shared_ptr<FSAccessor> accessor)
 {
-    assert(info.narHash);
+    if (!info.narHash)
+        throw Error("cannot add path '%s' because it lacks a hash", info.path);
 
     if (requireSigs && checkSigs && !info.checkSignatures(*this, getPublicKeys()))
         throw Error("cannot add path '%s' because it lacks a valid signature", info.path);