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flake-nixinator/flake.nix

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Nix

# The curly braces denote a set of keys and values.
{
description = "ChUrl's very bad and basic Nix config using Flakes";
# This config is a Flake.
# It needs inputs that are passed as arguments to the output.
# These are the dependencies of the Flake.
# The git revisions get locked in flake.lock to make the outputs deterministic.
inputs = {
# Nixpkgs
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
hardware.url = "github:nixos/nixos-hardware";
# Home manager
home-manager.url = "github:nix-community/home-manager";
home-manager.inputs.nixpkgs.follows = "nixpkgs";
# Other Flakes
emacs-overlay.url = "github:nix-community/emacs-overlay";
nur.url = "github:nix-community/NUR";
musnix.url = "github:musnix/musnix";
devshell.url = "github:numtide/devshell";
# nixvim.url = "github:pta2002/nixvim";
};
# Outputs is a function that takes the inputs as arguments.
# To handle extra arguments we use the inputs@ pattern.
# It gives a name to the ... ellipses.
outputs = inputs @ { nixpkgs, home-manager, ... }:
# With let you can define local variables
let
system = "x86_64-linux";
# Set overlays + unfree globally
pkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [
inputs.devshell.overlay
inputs.nur.overlay
inputs.emacs-overlay.overlay
];
};
mylib = import ./lib { inherit inputs pkgs; lib = nixpkgs.lib; };
# The rec expression turns a basic set into a set where self-referencing is possible.
# It is a shorthand for recursive and allows to use the values defined in this set from its own scope.
in rec {
# Local shell for NixFlake directory
devShells."${system}".default = import ./shell.nix { inherit pkgs; };
# System configurations + HomeManager module
# Accessible via 'nixos-rebuild'
nixosConfigurations = {
# We give our configuration a name (the hostname) to choose a configuration when rebuilding.
# This makes it easy to add different configurations later (e.g. for a laptop).
# Usage: sudo nixos-rebuild switch --flake .#nixinator
nixinator = mylib.nixos.mkNixosConfig {
inherit system mylib;
hostname = "nixinator";
username = "christoph";
};
nixtop = mylib.nixos.mkNixosConfig {
inherit system mylib;
hostname = "nixtop";
username = "christoph";
};
};
};
}