🚀 reinstate system.autoUpgrade

nix/hosts/heraclitus/homebrew.nix

@@ -28,6 +28,7 @@ _:
       "ipfs"
       "kind"
       "kubernetes-cli"
+      "libtool"
       "mr"
       "ripgrep"
       "tea"

nix/modules/base/common.nix

@@ -14,11 +14,13 @@ _:
       substituters = [
         "https://walkah.cachix.org"
         "https://nix-community.cachix.org"
+        "https://cache.garnix.io"
       ];
 
       trusted-public-keys = [
         "walkah.cachix.org-1:D8cO78JoJC6UPV1ZMgd1V5znpk3jNUERGIeAKN15hxo="
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
       ];
     };
   };

nix/modules/base/nixos.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{ config, pkgs, ... }: {
 
   imports = [ ./common.nix ../monitoring ../../users ];
 
@@ -36,6 +36,12 @@
   };
 
   system = {
+    autoUpgrade = {
+      enable = true;
+      flake = "github:walkah/athens#${config.networking.hostName}";
+      dates = "hourly";
+      flags = [ "--option" "tarball-ttl" "0" ];
+    };
     stateVersion = "23.05";
   };
 }