♻️ config refactor cleanup

flake.nix

@@ -37,7 +37,6 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-
     # My stuff
     dotfiles = {
       url = "github:walkah/dotfiles";
@@ -55,15 +54,17 @@
 
   outputs = { self, nixpkgs, flake-utils, deploy-rs, pre-commit-hooks, workon, ... }@inputs:
     flake-utils.lib.eachDefaultSystem
-      (system: {
+      (system:
+        let
           pkgs = import nixpkgs {
             inherit system;
             overlays = [ self.overlays.default ];
-          config.allowUnfree = true;
           };
-        checks = import ./nix/checks.nix { inherit self system pre-commit-hooks; };
-        devShells = import ./nix/shells.nix { inherit self system; };
-        formatter = self.pkgs.nixpkgs-fmt;
+        in
+        {
+          checks = import ./nix/checks.nix { inherit self pkgs system pre-commit-hooks; };
+          devShells = import ./nix/shells.nix { inherit self pkgs system; };
+          formatter = pkgs.nixpkgs-fmt;
         })
     // {
       hosts = import ./nix/hosts.nix;

hosts/aristotle/configuration.nix

@@ -11,8 +11,6 @@
     ../../modules/sops
   ];
 
-  nixpkgs.overlays = [ (import ../../overlays) ];
-
   # Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
   boot.loader.grub.enable = false;
   # Enables the generation of /boot/extlinux/extlinux.conf

hosts/plato/configuration.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }: {
+{ pkgs, ... }: {
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
@@ -23,9 +23,6 @@
   boot.tmp.cleanOnBoot = true;
   boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
 
-  nixpkgs.config.allowUnfree = true;
-  nixpkgs.overlays = [ (import ../../overlays) ];
-
   nix.extraOptions = ''
     experimental-features = nix-command flakes
   '';

hosts/socrates/configuration.nix

@@ -18,8 +18,6 @@
     ../../modules/sops
   ];
 
-  nixpkgs.overlays = [ (import ../../overlays) ];
-
   boot.tmp.cleanOnBoot = true;
 
   # Set your time zone.

nix/checks.nix

@@ -1,5 +1,4 @@
-{ self, system, pre-commit-hooks, ... }:
-with self.pkgs.${system};
+{ self, pkgs, system, pre-commit-hooks, ... }:
 {
   pre-commit-check = pre-commit-hooks.lib.${system}.run {
     src = ./.;
@@ -9,4 +8,4 @@ with self.pkgs.${system};
       statix.enable = true;
     };
   };
-} // (deploy-rs.lib.deployChecks self.deploy)
+} // (pkgs.deploy-rs.lib.deployChecks self.deploy)

nix/darwin.nix

@@ -10,7 +10,7 @@ let
         home-manager.darwinModules.home-manager
         (_: {
           networking.hostName = hostName;
-          nixpkgs.pkgs = self.pkgs.${hostSystem};
+          nixpkgs.overlays = [ self.overlays.default ];
         })
       ] ++ modules;
       specialArgs = { inherit dotfiles home-manager; };

nix/nixos.nix

@@ -10,7 +10,8 @@ let
         home-manager.nixosModules.home-manager
         (_: {
           networking.hostName = hostName;
-          nixpkgs.pkgs = self.pkgs.${hostSystem};
+          nixpkgs.overlays = [ self.overlays.default ];
+          nixpkgs.config.allowUnfree = true;
         })
       ] ++ modules;
       specialArgs = { inherit dotfiles nixos-hardware sops-nix; };

nix/shells.nix

@@ -1,16 +1,13 @@
-{ system, self, ... }:
-
-with self.pkgs.${system};
-
+{ system, pkgs, self, ... }:
 let
-  darwin-local = writeScriptBin "darwin-local" ''
-    #!${stdenv.shell}
+  darwin-local = pkgs.writeScriptBin "darwin-local" ''
+    #!${pkgs.stdenv.shell}
     nix build .#darwinConfigurations.$(hostname -s).system
     ./result/sw/bin/darwin-rebuild switch --flake .
   '';
 in
 {
-  default = mkShell {
+  default = pkgs.mkShell {
     name = "athens";
     buildInputs = with pkgs; [
       darwin-local