86 lines
3.0 KiB
Nix
86 lines
3.0 KiB
Nix
# The curly braces denote a set of keys and values.
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{
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description = "ChUrl's very bad and basic Nix config using Flakes";
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# This config is a Flake.
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# It needs inputs that are passed as arguments to the output.
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# These are the dependencies of the Flake.
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# The git revisions get locked in flake.lock to make the outputs deterministic.
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inputs = {
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# Nixpkgs
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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hardware.url = "github:nixos/nixos-hardware";
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# Home manager
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home-manager.url = "github:nix-community/home-manager";
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home-manager.inputs.nixpkgs.follows = "nixpkgs";
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# Other Flakes
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emacs-overlay.url = "github:nix-community/emacs-overlay";
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nur.url = "github:nix-community/NUR";
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};
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# Outputs is a function that takes the inputs as arguments.
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# To handle extra arguments we use the inputs@ pattern.
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# It gives a name to the ... ellipses.
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outputs = inputs @ { nixpkgs, home-manager, ... }:
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# With let you can define local variables
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let
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# We bring these functions into the scope for the outputs.
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inherit (builtins) attrValues; # TODO: What does this do
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# inherit (nixpkgs.lib) nixosSystem;
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# inherit (home-manager.lib) homeManagerConfiguration;
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# Disabled since HomeManager module inherits these in extraSpecialArgs
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# Add overlays from other flakes so we can use them from pkgs.
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overlays = {
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nur = inputs.nur.overlay;
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emacs = inputs.emacs-overlay.overlay;
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};
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in
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# The rec expression turns a basic set into a set where self-referencing is possible.
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# It is a shorthand for recursive and allows to use the values defined in this set from its own scope.
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rec {
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# System configurations + HomeManager module
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# Accessible via 'nixos-rebuild'
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nixosConfigurations = {
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# We give our configuration a name (the hostname) to choose a configuration when rebuilding.
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# This makes it easy to add different configurations later (e.g. for a laptop).
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# Usage: sudo nixos-rebuild switch --flake .#nixinator
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nixinator = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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# >> Main NixOS configuration file <<
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modules = [
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# TODO: Modularize
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./nixos/configuration.nix
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# TODO: Investigate this { ... } module syntax
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# Overlays
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{
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# Since HomeManager uses global pkgs we can set the overlays here
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nixpkgs.overlays = attrValues overlays;
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}
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# HomeManager
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home-manager.nixosModules.home-manager
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{
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home-manager.useGlobalPkgs = true; # Use systems pkgs, disables nixpkgs.* options in home.nix
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home-manager.useUserPackages = true; # Enable installing packages through users.christoph.packages
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home-manager.users.christoph = import ./home/home.nix;
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# Make our overlays available in home.nix
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home-manager.extraSpecialArgs = { inherit inputs; };
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}
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];
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# Make our inputs available to the configuration.nix (for importing modules)
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specialArgs = { inherit inputs; };
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};
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};
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};
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}
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