From d0fd8da8f0df124680fef1d3a0d049e9d25abd5a Mon Sep 17 00:00:00 2001
From: Marc Weber <marco-oweber@gmx.de>
Date: Tue, 15 Jun 2010 19:04:06 +0000
Subject: [PATCH] example how to pass options to nix-daemon

svn path=/nixos/trunk/; revision=22286
---
 modules/services/misc/nix-daemon.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/services/misc/nix-daemon.nix b/modules/services/misc/nix-daemon.nix
index a9a0bc70f1e..fcdcc8fb299 100644
--- a/modules/services/misc/nix-daemon.nix
+++ b/modules/services/misc/nix-daemon.nix
@@ -162,6 +162,10 @@ in
         internal = true;
         default = "";
         merge = mergeStringOption;
+        example = ''
+          export NIX_TARGET_LOAD=$(( 3 * $(${pkgs.coreutils}/bin/nproc) / 2 ))
+          export NIX_MAX_PARALLELIZATION=$NIX_TARGET_LOAD
+        '';
         description = "
           Environment variables used by Nix.
         ";