Rename root keys to host keys, add lime's host key

secrets.nix

@@ -1,10 +1,10 @@
 let strawberry = [
       (builtins.readFile ./system/strawberry/keys/riley.pub)
-      (builtins.readFile ./system/strawberry/keys/root.pub)
+      (builtins.readFile ./system/strawberry/keys/host.pub)
     ];
     lime = [
       (builtins.readFile ./system/lime/keys/riley.pub)
-      (builtins.readFile ./system/lime/keys/root.pub)
+      (builtins.readFile ./system/lime/keys/host.pub)
     ];
     dev-lt-63 = [
       (builtins.readFile ./system/dev-lt-63/keys/riley.pub)

shared/core/nix.nix

@@ -5,15 +5,29 @@ let cfg = config.custom.nix;
 in with lib; {
 
   options.custom.nix = {
-    distributedBuilds.enable = mkEnableOption "distributed builds on strawberry";
+    distributedBuilds.enable = 
+      (mkEnableOption "distributed builds on strawberry") // { default = true; };
   };
 
   # TODO: Add strawberry as a build machine here
-  config = {
-    nixpkgs.config.allowUnfree = true;
-  	nix = {
-  		distributedBuilds = true;
-  		buildMachines = [{
+  config = mkMerge [
+    {
+      nixpkgs.config.allowUnfree = true;
+    	nix = {
+        extraOptions = ''
+          experimental-features = nix-command flakes
+        '';
+        registry.nixpkgs.flake = nixpkgs;
+        registry.pwnix.flake = pwnix;
+        settings.trusted-users = [
+          "@wheel"
+          "root"
+        ];
+    	};
+    }
+    (mkIf cfg.distributedBuilds.enable {
+      nix.distributedBuilds = true;
+      nix.buildMachines = [{
         hostName = "strawberry";
         sshUser  = "nix-build";
         sshKey   = "/etc/ssh/ssh_host_ed25519_key";
@@ -29,17 +43,8 @@ in with lib; {
           "big-parallel"
           "kvm"
         ];
-  		}];
-      extraOptions = ''
-        experimental-features = nix-command flakes
-      '';
-      registry.nixpkgs.flake = nixpkgs;
-      registry.pwnix.flake = pwnix;
-      settings.trusted-users = [
-        "@wheel"
-        "root"
-      ];
-  	};
-  };
+      }];
+    })
+  ];
 
 }

system/lime/keys/host.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOF9N5hsJEdm/jBxAGjQdQg7s/EFheZJK3KHyNkt5uFc root@lime

system/lime/keys/root.pub

@@ -1 +1 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOF9N5hsJEdm/jBxAGjQdQg7s/EFheZJK3KHyNkt5uFc root@lime
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAPycsXjXLc3yzqSxG0sAHgQsGZ3KqOgprW2dPmAErAQ root@lime