Update flake boilerplate

flake.lock

@@ -581,11 +581,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1722630782,
-        "narHash": "sha256-hMyG9/WlUi0Ho9VkRrrez7SeNlDzLxalm9FwY7n/Noo=",
+        "lastModified": 1722421184,
+        "narHash": "sha256-/DJBI6trCeVnasdjUo9pbnodCLZcFqnVZiLUfqLH4jA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d04953086551086b44b6f3c6b7eeb26294f207da",
+        "rev": "9f918d616c5321ad374ae6cb5ea89c9e04bf3e58",
         "type": "github"
       },
       "original": {

flake.nix

@@ -34,27 +34,25 @@
   outputs = { self, nixpkgs, home-manager, ... }@inputs:
     let
       inherit (self) outputs;
-      forAllSystems = nixpkgs.lib.genAttrs [
+      # Supported systems for your flake packages, shell, etc.
+      systems = [
         "aarch64-linux"
         "i686-linux"
         "x86_64-linux"
         "aarch64-darwin"
         "x86_64-darwin"
       ];
+      # This is a function that generates an attribute by calling a function you
+      # pass to it, with each system as an argument
+      forAllSystems = nixpkgs.lib.genAttrs systems;
     in
     {
       # Your custom packages
       # Acessible through 'nix build', 'nix shell', etc
-      packages = forAllSystems (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in import ./pkgs { inherit pkgs; }
-      );
-      # Devshell for bootstrapping
-      # Acessible through 'nix develop' or 'nix-shell' (legacy)
-      devShells = forAllSystems (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in import ./shell.nix { inherit pkgs; }
-      );
+      packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
+      # Formatter for your nix files, available through 'nix fmt'
+      # Other options beside 'alejandra' include 'nixpkgs-fmt'
+      formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);
 
       # Your custom packages and modifications, exported as overlays
       overlays = import ./overlays { inherit inputs; };
@@ -90,6 +88,8 @@
         };
       };
 
+      # Standalone home-manager configuration entrypoint
+      # Available through 'home-manager --flake .#your-username@your-hostname'
       homeConfigurations = {
         "sajenim@fuchsia" = home-manager.lib.homeManagerConfiguration {
           pkgs = nixpkgs.legacyPackages.x86_64-linux;

nixpkgs.nix

@@ -1,8 +0,0 @@
-# A nixpkgs instance that is grabbed from the pinned nixpkgs commit in the lock file
-# This is useful to avoid using channels when using legacy nix commands
-let lock = (builtins.fromJSON (builtins.readFile ./flake.lock)).nodes.nixpkgs.locked;
-in
-import (fetchTarball {
-  url = "https://github.com/nixos/nixpkgs/archive/${lock.rev}.tar.gz";
-  sha256 = lock.narHash;
-})

overlays/default.nix

@@ -1,8 +1,9 @@
 # This file defines overlays
 { inputs, ... }:
+
 {
   # This one brings our custom packages from the 'pkgs' directory
-  additions = final: _prev: import ../pkgs { pkgs = final; };
+  additions = final: _prev: import ../pkgs final.pkgs;
 
   # This one contains whatever you want to overlay
   # You can change versions, add patches, set compilation flags, anything really.

pkgs/default.nix

@@ -1,7 +1,7 @@
 # Custom packages, that can be defined similarly to ones from nixpkgs
-# You can build them using 'nix build .#example' or (legacy) 'nix-build -A example'
+# You can build them using 'nix build .#example'
 
-{ pkgs ? (import ../nixpkgs.nix) { } }: {
+pkgs: {
   xmobar = pkgs.callPackage ./xmobar-config { };
   xmonad = pkgs.callPackage ./xmonad-config { };
   amdgpu-clocks = pkgs.callPackage ./amdgpu-clocks { };

shell.nix

@@ -1,10 +0,0 @@
-# Shell for bootstrapping flake-enabled nix and home-manager
-# You can enter it through 'nix develop' or (legacy) 'nix-shell'
-
-{ pkgs ? (import ./nixpkgs.nix) { } }: {
-  default = pkgs.mkShell {
-    # Enable experimental features without having to specify the argument
-    NIX_CONFIG = "experimental-features = nix-command flakes";
-    nativeBuildInputs = with pkgs; [ nix home-manager git ];
-  };
-}