forked from mirrors/nixpkgs
51 lines
1.2 KiB
Nix
51 lines
1.2 KiB
Nix
let
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fromEnv = name: default:
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let env = builtins.getEnv name; in
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if env == "" then default else env;
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configuration = import (fromEnv "NIXOS_CONFIG" /etc/nixos/configuration.nix);
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nixpkgs = fromEnv "NIXPKGS" /etc/nixos/nixpkgs;
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pkgs = import nixpkgs {system = builtins.currentSystem;};
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#system = import system/system.nix { inherit configuration nixpkgs; };
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configComponents = [
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configuration
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(import ./system/options.nix)
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];
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# Make a configuration object from which we can retrieve option
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# values.
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config =
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pkgs.lib.fixOptionSets
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pkgs.lib.mergeOptionSets
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pkgs configComponents;
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optionDeclarations =
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pkgs.lib.fixOptionSetsFun
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pkgs.lib.filterOptionSets
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pkgs configComponents
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config;
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in
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{
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# Optionally check wether all config values have corresponding
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# option declarations.
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system = pkgs.checker config.system.build.system
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config.environment.checkConfigurationOptions
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optionDeclarations config;
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nix = config.environment.nix;
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nixFallback = pkgs.nixUnstable;
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manifests = config.installer.manifests; # exported here because nixos-rebuild uses it
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tests = config.tests;
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}
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