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https://github.com/LnL7/nix-darwin.git
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5528b36698
This is useful for flake users as they will usually already have an
instantiated Nixpkgs e.g.
let
pkgs = import nixpkgs {
config.allowUnfree = true;
overlays = [ ... ];
}
in darwin.lib.darwinSystem {
inherit pkgs;
}
This change makes `nix-darwin` match the behaviour of NixOS and
`home-manager`.
63 lines
1.8 KiB
Nix
63 lines
1.8 KiB
Nix
{ lib }:
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{ system ? builtins.currentSystem or "x86_64-darwin"
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, pkgs ? null
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, modules
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, inputs
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, baseModules ? import ./modules/module-list.nix
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, specialArgs ? { }
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, check ? true
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}@args:
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let
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argsModule = {
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_file = ./eval-config.nix;
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config = {
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_module.args = {
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inherit baseModules inputs modules;
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};
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};
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};
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pkgsModule = { config, inputs, ... }: {
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_file = ./eval-config.nix;
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config = {
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assertions = [ {
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# Ensure that nixpkgs.* options are not set when pkgs is set
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assertion = pkgs == null || (config.nixpkgs.config == { } && config.nixpkgs.overlays == [ ]);
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message = ''
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`nixpkgs` options are disabled when `pkgs` is supplied through `darwinSystem`.
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'';
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} ];
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_module.args.pkgs = if pkgs != null then pkgs else import inputs.nixpkgs config.nixpkgs;
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# This permits the configuration to override the passed-in
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# system.
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nixpkgs.system = lib.mkDefault system;
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};
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};
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libExtended = lib.extend (self: super: {
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# Added in nixpkgs #136909, adds forward compatibility until 22.03 is deprecated.
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literalExpression = super.literalExpression or super.literalExample;
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literalDocBook = super.literalDocBook or super.literalExample;
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});
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eval = libExtended.evalModules (builtins.removeAttrs args [ "inputs" "pkgs" "system" ] // {
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modules = modules ++ [ argsModule pkgsModule ] ++ baseModules;
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specialArgs = { modulesPath = builtins.toString ./modules; } // specialArgs;
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});
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# Was moved in nixpkgs #82751, so both need to be handled here until 20.03 is deprecated.
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# https://github.com/NixOS/nixpkgs/commits/dcdd232939232d04c1132b4cc242dd3dac44be8c
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_module = eval._module or eval.config._module;
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in
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{
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inherit (_module.args) pkgs;
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inherit (eval) options config;
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system = eval.config.system.build.toplevel;
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}
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