From ed59bf7a181bb382dea7dd72da52bf91f60deb8d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 23 Jul 2012 17:11:12 -0400
Subject: [PATCH] =?UTF-8?q?nix-build:=20Support=20the=20=E2=80=98-?=
 =?UTF-8?q?=E2=80=99=20argument=20to=20build=20an=20expression=20from=20st?=
 =?UTF-8?q?din?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 scripts/nix-build.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index 35b186bb71..afe0679a47 100755
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -118,6 +118,10 @@ EOF
     elsif ($arg eq "--show-trace") {
         push @instArgs, $arg;
     }
+
+    elsif ($arg eq "-") {
+        @exprs = ("-");
+    }
     
     elsif ($arg eq "--verbose" or substr($arg, 0, 2) eq "-v") {
         push @buildArgs, $arg;