From e34518205533a90e9664d7ab3888818e669e11cd Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 11 Oct 2012 14:03:06 -0400
Subject: [PATCH] Shorten the names of temporary build directories

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

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index d05ff7506..61abd2ed2 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1661,7 +1661,7 @@ void DerivationGoal::startBuilder()
 
     /* Create a temporary directory where the build will take
        place. */
-    tmpDir = createTempDir("", "nix-build-" + baseNameOf(drvPath), false, false, 0700);
+    tmpDir = createTempDir("", "nix-build-" + storePathToName(drvPath), false, false, 0700);
 
     /* For convenience, set an environment pointing to the top build
        directory. */