hosts: set nixpkgs.pkgs based on nixpkgs.system

flake.nix

@@ -36,18 +36,16 @@
 
       extern = import ./extern { inherit inputs; };
 
-      pkgs' = os.mkPkgs;
+      multiPkgs = os.mkPkgs;
 
-      outputs =
-        let
-          system = "x86_64-linux";
-          pkgs = pkgs'.${system};
-        in
-        {
+      outputs = {
         nixosConfigurations =
           import ./hosts (nixos.lib.recursiveUpdate inputs {
-              inherit pkgs system extern;
-              inherit (pkgs) lib;
+            inherit multiPkgs extern;
+            defaultSystem = "x86_64-linux";
+            lib = nixos.lib.extend (final: prev: {
+              dev = self.lib;
+            });
           });
 
         nixosModules =
@@ -57,7 +55,7 @@
         overlay = import ./pkgs;
         overlays = lib.pathsToImportedAttrs (lib.pathsIn ./overlays);
 
-          lib = import ./lib { inherit nixos pkgs self inputs; };
+        lib = import ./lib { inherit nixos self inputs; };
 
         templates.flk.path = ./.;
         templates.flk.description = "flk template";
@@ -76,7 +74,7 @@
       };
 
       systemOutputs = utils.lib.eachDefaultSystem (system:
-        let pkgs = pkgs'.${system}; in
+        let pkgs = multiPkgs.${system}; in
         {
           packages = utils.lib.flattenTreeSystem system
             (os.mkPackages { inherit pkgs; });

hosts/README.md

@@ -25,6 +25,10 @@ that you intend to use on your machine.
 Additionally, this is the perfect place to import anything you might need from
 the [nixos-hardware][nixos-hardware] repository.
 
+> ##### _Note:_
+> Set `nixpkgs.system` to the architecture of this host, default is "x86_64-linux". 
+> Keep in mind that not all packages are available for all architectures.
+
 ## Example
 
 hosts/librem.nix:

hosts/default.nix

@@ -3,9 +3,9 @@
 , lib
 , nixos
 , override
-, pkgs
+, multiPkgs
 , self
-, system
+, defaultSystem
 , ...
 }:
 let
@@ -27,7 +27,7 @@ let
           modules;
       };
 
-    global = {
+    global = { config, ... }: {
       home-manager.useGlobalPkgs = true;
       home-manager.useUserPackages = true;
 
@@ -39,7 +39,7 @@ let
         "home-manager=${home}"
       ];
 
-      nixpkgs = { inherit pkgs; };
+      nixpkgs.pkgs = lib.mkDefault multiPkgs.${config.nixpkgs.system};
 
       nix.registry = {
         devos.flake = self;
@@ -79,7 +79,8 @@ let
       };
     in
     dev.os.devosSystem {
-      inherit system specialArgs;
+      inherit specialArgs;
+      system = defaultSystem;
       modules = modules // { inherit local lib; };
     };
 

lib/default.nix

@@ -1,4 +1,4 @@
-args@{ nixos, pkgs, self, ... }:
+args@{ nixos, self, ... }:
 let inherit (nixos) lib; in
 lib.makeExtensible (final:
   let callLibs = file: import file