From 7281a851b3594c70872ebeb9391d1ed800e8a5a7 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 12 Mar 2012 10:41:39 +0000
Subject: [PATCH] * Create a /usr/bin/env symlink.  This allows scripts from
 other   distributions with shebang lines such as

    #! /usr/bin/env python

  to work correctly.

svn path=/nixos/trunk/; revision=33011
---
 modules/system/activation/activation-script.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/system/activation/activation-script.nix b/modules/system/activation/activation-script.nix
index d7074810c273..9f10e84f5e99 100644
--- a/modules/system/activation/activation-script.nix
+++ b/modules/system/activation/activation-script.nix
@@ -126,7 +126,14 @@ in
 
     system.activationScripts.media =
       ''
-        mkdir -p /media
+        mkdir -m 0755 -p /media
+      '';
+
+    system.activationScripts.usrbinenv =
+      ''
+        mkdir -m 0755 -p /usr/bin
+        ln -sfn ${pkgs.coreutils}/bin/env /usr/bin/.env.tmp
+        mv /usr/bin/.env.tmp /usr/bin/env # atomically replace /usr/bin/env
       '';
 
   };