From 2fd7e5f39d8fd18646bba2fa7fbf69baf21a86ff Mon Sep 17 00:00:00 2001
From: Aristid Breitkreuz <aristidb@gmail.com>
Date: Sat, 15 Nov 2014 12:33:01 +0100
Subject: [PATCH] ssh-agent: use types.nullOr

---
 nixos/modules/programs/ssh.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/programs/ssh.nix b/nixos/modules/programs/ssh.nix
index 6b729572248..c9bfe2fe0f7 100644
--- a/nixos/modules/programs/ssh.nix
+++ b/nixos/modules/programs/ssh.nix
@@ -60,7 +60,7 @@ in
       };
 
       agentTimeout = mkOption {
-        type = types.string;
+        type = types.nullOr types.string;
         default = "1h";
         description = ''
           How long to keep the private keys in memory. Use null to keep them forever.