nixos/lib/builders.nix

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{ nixpkgs, self, ... }@inputs:
let
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makePkgs = system: (import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [ self.overlays.default ];
});
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lib = nixpkgs.lib;
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inherit (inputs.home-manager.lib) homeManagerConfiguration;
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inherit (lib) nixosSystem;
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inherit (lib.strings) optionalString;
inherit (lib.attrsets) nameValuePair;
in
rec {
toPartialNixosConfig =
{ hostname, system }:
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nameValuePair
hostname
(nixosSystem {
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pkgs = makePkgs system;
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specialArgs = { inherit inputs self; };
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modules = [
../hosts/${hostname}/hardware-configuration.nix
../hosts/${hostname}/configuration.nix
inputs.home-manager.nixosModules.default
];
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});
compileSystems =
systems:
lib.right
builtins.listToAttrs
(map toPartialNixosConfig)
systems;
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toPartialHomeManagerConfig =
{ user, system, hostname ? "", configHostname ? "" }:
let
configHost = if builtins.stringLength configHostname > 0 then configHostname else hostname;
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hostStr = optionalString (builtins.stringLength hostname > 0) "@${hostname}";
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in
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assert lib.assertMsg (builtins.stringLength configHost > 0) "either configHostname or hostname need to exist";
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nameValuePair
"${user}${hostStr}"
(homeManagerConfiguration {
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pkgs = makePkgs system;
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extraSpecialArgs = { inherit inputs self; };
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modules = [
../hosts/${configHost}/home.nix
];
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});
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compileHomes =
systems:
lib.right
builtins.listToAttrs
(map toPartialHomeManagerConfig)
systems;
}