From dadfddfa7cb5d523969bffd906b74099d6a88387 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 7 Dec 2016 15:31:18 +0100
Subject: [PATCH] Bail out early when non-determinism is detected

---
 src/libstore/build.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 84fbf1c18..2bc167fee 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -2921,6 +2921,7 @@ void DerivationGoal::registerOutputs()
                 if (settings.get("enforce-determinism", true))
                     throw NotDeterministic(msg);
                 printError(msg);
+                curRound = nrRounds; // we know enough, bail out early
             }
     }