Make system architecture per-host instead of global constant

This commit is contained in:
2026-04-07 02:49:12 +02:00
parent 0cec50d607
commit 517bc8d2f8

146
flake.nix
View File

@@ -3,7 +3,7 @@
inputs = {
# Core
nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
# Flakes
@@ -11,7 +11,7 @@
# Home Manager
home-manager = {
url = "github:nix-community/home-manager/release-24.11";
url = "github:nix-community/home-manager/release-25.11";
inputs.nixpkgs.follows = "nixpkgs";
};
@@ -30,23 +30,55 @@
outputs = { self, nixpkgs, nixpkgs-unstable, flake-utils, home-manager, sops-nix, disko }:
let
system = "x86_64-linux";
pkgs = import nixpkgs {
# Helper to build per-host pkgs for a given system string
mkPkgs = system: import nixpkgs {
inherit system;
config.allowUnfree = true;
};
pkgs-unstable = import nixpkgs-unstable {
mkPkgsUnstable = system: import nixpkgs-unstable {
inherit system;
config.allowUnfree = true;
};
# Utility to overlay unstable packages
overlayUnstable = final: prev: {
unstable = pkgs-unstable;
# Utility to overlay unstable packages (takes system as arg)
mkOverlayUnstable = system:
final: prev: { unstable = mkPkgsUnstable system; };
# Helper that builds a full NixOS configuration for a given host + arch
mkNixosSystem = { system, hostModule }: nixpkgs.lib.nixosSystem {
inherit system;
specialArgs = {
inherit sops-nix disko;
pkgs-unstable = mkPkgsUnstable system;
};
modules = [
(mkOverlayUnstable system)
sops-nix.nixosModules.sops
disko.nixosModules.disko
hostModule
./nixos/default.nix
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.extraSpecialArgs = {
inherit sops-nix;
pkgs-unstable = mkPkgsUnstable system;
};
home-manager.users.youruser = import ./home/default.nix;
}
];
};
# Default system for devShell and standalone home-manager
defaultSystem = "x86_64-linux";
pkgs = mkPkgs defaultSystem;
in {
# ============================================
@@ -55,67 +87,23 @@
nixosConfigurations = {
# Example: Laptop configuration
laptop = nixpkgs.lib.nixosSystem {
inherit system;
specialArgs = {
inherit sops-nix disko;
pkgs-unstable = pkgs-unstable;
# x86_64 laptop (most common)
laptop = mkNixosSystem {
system = "x86_64-linux";
hostModule = ./hosts/laptop/default.nix;
};
modules = [
overlayUnstable
sops-nix.nixosModules.sops
disko.nixosModules.disko
# Machine-specific config
./hosts/laptop/default.nix
# Shared system modules
./nixos/default.nix
# Home Manager integration
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.extraSpecialArgs = {
inherit sops-nix pkgs-unstable;
};
home-manager.users.youruser = import ./home/default.nix;
}
];
# x86_64 server
server = mkNixosSystem {
system = "x86_64-linux";
hostModule = ./hosts/server/default.nix;
};
# Example: Server configuration
server = nixpkgs.lib.nixosSystem {
inherit system;
specialArgs = {
inherit sops-nix disko;
pkgs-unstable = pkgs-unstable;
};
modules = [
overlayUnstable
sops-nix.nixosModules.sops
disko.nixosModules.disko
./hosts/server/default.nix
./nixos/default.nix
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.extraSpecialArgs = {
inherit sops-nix pkgs-unstable;
};
home-manager.users.youruser = import ./home/default.nix;
}
];
};
# Example: ARM64 host (e.g. Raspberry Pi 4, Apple Silicon VM)
# laptop-arm = mkNixosSystem {
# system = "aarch64-linux";
# hostModule = ./hosts/laptop/default.nix;
# };
};
# ============================================
@@ -123,24 +111,38 @@
# ============================================
homeConfigurations = {
# x86_64 Linux
"youruser@linux" = home-manager.lib.homeManagerConfiguration {
inherit pkgs;
pkgs = mkPkgs "x86_64-linux";
extraSpecialArgs = {
pkgs-unstable = pkgs-unstable;
pkgs-unstable = mkPkgsUnstable "x86_64-linux";
sops-nix = sops-nix;
};
modules = [
overlayUnstable
(mkOverlayUnstable "x86_64-linux")
./home/default.nix
];
};
# aarch64 Linux (e.g. Raspberry Pi, ARM servers)
# "youruser@linux-arm" = home-manager.lib.homeManagerConfiguration {
# pkgs = mkPkgs "aarch64-linux";
# extraSpecialArgs = {
# pkgs-unstable = mkPkgsUnstable "aarch64-linux";
# sops-nix = sops-nix;
# };
# modules = [
# (mkOverlayUnstable "aarch64-linux")
# ./home/default.nix
# ];
# };
};
# ============================================
# Development Shell
# ============================================
devShells.${system}.default = pkgs.mkShell {
devShells.${defaultSystem}.default = pkgs.mkShell {
buildInputs = with pkgs; [
nix
nixpkgs-fmt
@@ -151,7 +153,7 @@
];
shellHook = ''
echo "🔧 NixOS Configuration Development Shell"
echo "NixOS Configuration Development Shell"
echo "Available commands:"
echo " - nix flake check # Check flake validity"
echo " - nix flake show # Show all outputs"
@@ -165,7 +167,7 @@
# Installer Script
# ============================================
apps.${system}.installer = {
apps.${defaultSystem}.installer = {
type = "app";
program = toString (pkgs.writeShellScript "installer" ''
set -e