add nixpkgs.hostplatform by default

README.md

@@ -43,5 +43,7 @@ nixfiles
 │   ├── hosts           # configuration for specific hosts
 │   ├── profiles        # configuariotn for specific machine types
 │   └── services        # common service configuration
-└── modules             # NixOS modules
+├── lib                 # helper functions
+├── modules             # NixOS modules
+└── pkgs                # nixpkgs overlays
 ```

config/common/default.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }: 
+{ config, lib, pkgs, ... }: 
 
 with lib; {
   imports = [

config/hosts/ryuuko/hardware-configuration-qemu.nix

@@ -34,7 +34,5 @@
   # still possible to use this option, but it's recommended to use it in conjunction
   # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }
 

config/hosts/ryuuko/hardware-configuration.nix

@@ -20,6 +20,5 @@
   # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
   # networking.interfaces.wwp0s20f0u3.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   #powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 }

config/hosts/seras/configuration.nix

@@ -19,7 +19,6 @@
     max-substitution-jobs = 20
     max-silent-time = 900
   '';
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 
   systemd.network.networks."98-eth-default" = {
     address = [

config/hosts/web-dus/configuration.nix

@@ -19,7 +19,6 @@
       "2a0f:be01:0:100::1312/128" 
     ];
   };
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   services.vyosBld = {
     enable = true;
     output = "/var/www/kyouma.net/vyos";

lib/shinyflakes/default.nix

@@ -29,6 +29,7 @@
       ../../config/hosts/${hostname}/configuration.nix
       ({ ... }: {
         nixpkgs.overlays = [ self.overlays.kyouma ];
+        nixpkgs.hostPlatform = system;
       })
     ];
   };