os/configuration.nix

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Nix
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# this file is an impure recreation of the flake profile currently deployed
# based on the systems hostname. The purpose is so tools which do not yet have
# flake support (e.g `nixos-option`), can work as expected.
{ lib, ... }:
let
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hostname = lib.fileContents /etc/hostname;
host = "/etc/nixos/hosts/${hostname}.nix";
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config = if (builtins.pathExists host) then
[ host ]
else
[ /etc/nixos/hosts/NixOS.nix ];
in {
imports = (import ./modules) ++ [
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"${
builtins.fetchTarball
"https://github.com/rycee/home-manager/archive/master.tar.gz"
}/nixos"
/etc/nixos/profiles/core.nix
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] ++ config;
networking.hostName = hostname;
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nix.nixPath =
[ "nixpkgs=${<nixpkgs>}" "nixos-config=/etc/nixos/configuration.nix" ];
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nixpkgs.overlays = lib.singleton (import ./pkgs);
}