From ed09d0c0a436a412893ffe817c842827abbec6ed Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 11 Jul 2013 14:40:29 +0200
Subject: [PATCH] nix-build --run-env: Always use Bash

Fixes #113.
Fixes #131.
---
 scripts/nix-build.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index 4ceec4df6..fb70331bf 100755
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -186,7 +186,7 @@ foreach my $expr (@exprs) {
             'set +e; ' .
             'PS1="\n\[\033[1;32m\][nix-build:\w]$\[\033[0m\] "; ' .
             $envCommand);
-        exec($ENV{SHELL}, "--rcfile", $rcfile);
+        exec($ENV{NIX_BUILD_SHELL} // "bash", "--rcfile", $rcfile);
         die;
     }