nixos/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.extend (import ./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 =
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{ hostname, system ? "x86_64-linux" }:
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nameValuePair
hostname
(nixosSystem rec {
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pkgs = makePkgs system;
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specialArgs = { inherit inputs self; };
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modules = [
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./hosts/${hostname}/hardware-configuration.nix
./hosts/${hostname}/configuration.nix
inputs.home-manager.nixosModules.default
{
home-manager.extraSpecialArgs = {
inherit inputs self pkgs;
lib = pkgs.lib.extend (_: _: inputs.home-manager.lib);
};
}
];
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});
compileSystems =
systems:
lib.right
builtins.listToAttrs
(map toPartialNixosConfig)
systems;
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toPartialHomeManagerConfig =
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{ user, system ? "x86_64-linux", hostname ? "", configHostname ? "" }:
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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}${hostStr}"
(homeManagerConfiguration {
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pkgs = makePkgs system;
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extraSpecialArgs = { inherit inputs self; };
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modules = [
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./hosts/${configHost}/home.nix
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];
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});
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compileHomes =
systems:
lib.right
builtins.listToAttrs
(map toPartialHomeManagerConfig)
systems;
}