From 64f2d42a1160067ef55fcb5e69b6b454e9588e39 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Thu, 5 Sep 2019 17:05:14 +0200
Subject: [PATCH] Add Hydra binary cache to common config

---
 lib/common/c3d2.nix   | 15 +++++++++++----
 lib/{ => common}/motd |  0
 lib/users.nix         |  2 --
 3 files changed, 11 insertions(+), 6 deletions(-)
 rename lib/{ => common}/motd (100%)

diff --git a/lib/common/c3d2.nix b/lib/common/c3d2.nix
index f3b0625e..5d66d5d9 100644
--- a/lib/common/c3d2.nix
+++ b/lib/common/c3d2.nix
@@ -1,11 +1,18 @@
 { config, pkgs, ... }:
 
 {
-  imports = [./common.nix];
+  imports = [ ./common.nix ];
 
-  networking = {
-    domain = "hq.c3d2.de";
-    defaultGateway.address = "172.22.99.1";
+  users.motd = builtins.readFile ./motd;
+
+  networking.domain = "hq.c3d2.de";
+
+  nix = if config.services.nix-serve.enable then
+    { }
+  else {
+    binaryCaches = [ "https://nix-serve.hq.c3d2.de" ];
+    binaryCachePublicKeys =
+      [ "nix-serve.hq.c3d2.de:FEi9GyFkou1Ua8INaEKmuGaww9E5y3XwrNGNRfKYeLo=" ];
   };
 
 }
diff --git a/lib/motd b/lib/common/motd
similarity index 100%
rename from lib/motd
rename to lib/common/motd
diff --git a/lib/users.nix b/lib/users.nix
index 55e485e7..818432e5 100644
--- a/lib/users.nix
+++ b/lib/users.nix
@@ -1,8 +1,6 @@
 { pkgs, ... }:
 
 {
-  users.motd = builtins.readFile ./motd;
-
   users.users.k-ot = {
     packages = with pkgs;
       [ screen tmux ];