ssh-agent: Don't have a timeout by default

IMHO, having a short timeout (1h) defeats the point of using
ssh-agent, which is not to have to retype passphrases all the time. Of
course, users who want timeouts can set programs.ssh.agentTimeout.

This restores the 14.04 behaviour.

1 files changed, 2 insertions, 1 deletions

diff --git a/nixos/modules/programs/ssh.nix b/nixos/modules/programs/ssh.nix
index c9bfe2fe0f70..796740ea636a 100644
--- a/nixos/modules/programs/ssh.nix
+++ b/nixos/modules/programs/ssh.nix
@@ -61,7 +61,8 @@ in
 
       agentTimeout = mkOption {
         type = types.nullOr types.string;
-        default = "1h";
+        default = null;
+        example = "1h";
         description = ''
           How long to keep the private keys in memory. Use null to keep them forever.
         '';