{ description = "Nixos configuration flake"; inputs = { nixpkgs = { url = "github:charvp/nixpkgs/master"; }; home-manager = { url = "github:nix-community/home-manager"; inputs.nixpkgs.follows = "nixpkgs"; }; flake-utils = { url = "github:numtide/flake-utils/master"; }; }; outputs = { self, nixpkgs, home-manager, flake-utils }: let version-suffix = nixpkgs.rev or (builtins.toString nixpkgs.lastModified); pkgsFor = system: import nixpkgs { inherit system; config = { allowUnfree = true; }; }; mkSystem = system: hostname: nixpkgs.lib.nixosSystem { inherit system; modules = [ home-manager.nixosModules.home-manager (./. + "/machines/${hostname}") ({ pkgs, ... }: { environment.etc."nixpkgs".source = (pkgs.runCommandNoCC "nixpkgs" { } '' cp -r ${nixpkgs} $out chmod 700 $out echo "${version-suffix}" > $out/.version-suffix ''); nix.nixPath = [ "nixpkgs=/etc/nixpkgs" ]; }) ]; }; in flake-utils.lib.eachDefaultSystem (system: let pkgs = pkgsFor system; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ nixpkgs-fmt ]; }; }) // { nixosConfigurations = { kharbranth = mkSystem "x86_64-linux" "kharbranth"; kholinar = mkSystem "x86_64-linux" "kholinar"; }; }; }