From c160ead82f6a36b5a3efbb36241e567d1e2388cc Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Sun, 17 Aug 2014 19:11:50 +0200
Subject: [PATCH] Reduce verbosity

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

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index ad450a916..2e3875551 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1439,7 +1439,8 @@ void DerivationGoal::buildDone()
         outputLocks.unlock();
 
     } catch (BuildError & e) {
-        printMsg(lvlError, e.msg());
+        if (!hook)
+            printMsg(lvlError, e.msg());
         outputLocks.unlock();
         buildUser.release();