nix-config/flake.nix
Bruno BELANYI 3ed5e40285 flake: expose 'lib' attribute
This exposes `lib.my` which contains my custom library functions, as
well as the entirety of the nixpkgs library.
2023-03-07 11:05:07 +00:00

214 lines
5.2 KiB
Nix

{
description = "NixOS configuration with flakes";
inputs = {
agenix = {
type = "github";
owner = "ryantm";
repo = "agenix";
ref = "main";
inputs = {
nixpkgs.follows = "nixpkgs";
};
};
futils = {
type = "github";
owner = "numtide";
repo = "flake-utils";
ref = "main";
};
home-manager = {
type = "github";
owner = "nix-community";
repo = "home-manager";
ref = "master";
inputs = {
nixpkgs.follows = "nixpkgs";
utils.follows = "futils";
};
};
nixpkgs = {
type = "github";
owner = "NixOS";
repo = "nixpkgs";
ref = "nixos-unstable";
};
nur = {
type = "github";
owner = "nix-community";
repo = "NUR";
ref = "master";
};
pre-commit-hooks = {
type = "github";
owner = "cachix";
repo = "pre-commit-hooks.nix";
ref = "master";
inputs = {
flake-utils.follows = "futils";
nixpkgs.follows = "nixpkgs";
nixpkgs-stable.follows = "nixpkgs";
};
};
};
outputs =
inputs @
{ self
, agenix
, futils
, home-manager
, nixpkgs
, nur
, pre-commit-hooks
}:
let
inherit (futils.lib) eachSystem system;
mySystems = [
system.aarch64-linux
system.x86_64-darwin
system.x86_64-linux
];
eachMySystem = eachSystem mySystems;
lib = nixpkgs.lib.extend (self: super: {
my = import ./lib { inherit inputs; pkgs = nixpkgs; lib = self; };
});
defaultModules = [
({ ... }: {
# Let 'nixos-version --json' know about the Git revision
system.configurationRevision = self.rev or "dirty";
})
{
nixpkgs.overlays = (lib.attrValues self.overlays) ++ [
nur.overlay
];
}
# Include generic settings
./modules
# Include bundles of settings
./profiles
];
buildHost = name: system: lib.nixosSystem {
inherit system;
modules = defaultModules ++ [
(./. + "/machines/${name}")
];
specialArgs = {
# Use my extended lib in NixOS configuration
inherit lib;
# Inject inputs to use them in global registry
inherit inputs;
};
};
in
eachMySystem
(system:
let
pkgs = nixpkgs.legacyPackages.${system};
in
rec {
apps = {
diff-flake = futils.lib.mkApp { drv = packages.diff-flake; };
default = apps.diff-flake;
};
checks = {
pre-commit = pre-commit-hooks.lib.${system}.run {
src = ./.;
hooks = {
nixpkgs-fmt = {
enable = true;
};
shellcheck = {
enable = true;
};
};
};
};
devShells = {
default = pkgs.mkShell {
name = "NixOS-config";
nativeBuildInputs = with pkgs; [
gitAndTools.pre-commit
nixpkgs-fmt
];
inherit (self.checks.${system}.pre-commit) shellHook;
};
};
packages =
let
inherit (futils.lib) filterPackages flattenTree;
packages = import ./pkgs { inherit pkgs; };
flattenedPackages = flattenTree packages;
finalPackages = filterPackages system flattenedPackages;
in
finalPackages;
# Work-around for https://github.com/nix-community/home-manager/issues/3075
legacyPackages = {
homeConfigurations = {
ambroisie = home-manager.lib.homeManagerConfiguration {
# Work-around for home-manager
# * not letting me set `lib` as an extraSpecialArgs
# * not respecting `nixpkgs.overlays` [1]
# [1]: https://github.com/nix-community/home-manager/issues/2954
pkgs = import nixpkgs {
inherit system;
overlays = (lib.attrValues self.overlays) ++ [
nur.overlay
];
};
modules = [
./home
{
# The basics
home.username = "ambroisie";
home.homeDirectory = "/home/ambroisie";
# Let Home Manager install and manage itself.
programs.home-manager.enable = true;
# This is a generic linux install
targets.genericLinux.enable = true;
}
];
extraSpecialArgs = {
# Inject inputs to use them in global registry
inherit inputs;
};
};
};
};
}) // {
inherit lib;
overlays = import ./overlays // {
lib = final: prev: { inherit lib; };
pkgs = final: prev: {
ambroisie = prev.recurseIntoAttrs (import ./pkgs { pkgs = prev; });
};
};
nixosConfigurations = lib.mapAttrs buildHost {
aramis = "x86_64-linux";
porthos = "x86_64-linux";
};
};
}