From 99d2e80d973b7ab1c04754e1f270d4786c46f2a6 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 4 Jun 2015 20:08:24 +0200
Subject: In VM builds, connect stdin to /dev/null

This prevents programs from hanging while trying to read from stdin.
---
 pkgs/build-support/vm/default.nix | 1 +
 1 file changed, 1 insertion(+)

(limited to 'pkgs/build-support')

diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index a9f9f0d184cf..53a013654357 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -187,6 +187,7 @@ rec {
     # then don't start the build again, but instead drop the user into
     # an interactive shell.
     if test -n "$origBuilder" -a ! -e /.debug; then
+      exec < /dev/null
       ${coreutils}/bin/touch /.debug
       $origBuilder $origArgs
       echo $? > /tmp/xchg/in-vm-exit
-- 
cgit 1.4.1