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https://github.com/NixOS/nixpkgs.git
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f1035de47c
declarations again (because we already have them). This cuts evaluation time from 7.2s to 4.9s. svn path=/nixos/trunk/; revision=16798
44 lines
1.1 KiB
Nix
44 lines
1.1 KiB
Nix
# From an end-user configuration file (`configuration'), build a NixOS
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# configuration object (`config') from which we can retrieve option
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# values.
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{ configuration
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, system ? builtins.currentSystem
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, nixpkgs ? import ./from-env.nix "NIXPKGS" /etc/nixos/nixpkgs
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, pkgs ? import nixpkgs {inherit system;}
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, extraArgs ? {}
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, extraModules ? []
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}:
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let extraArgs_ = extraArgs; in
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rec {
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inherit nixpkgs pkgs;
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configComponents =
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[ configuration
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./check-config.nix
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]
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++ extraModules
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++ (import ../modules/module-list.nix);
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extraArgs = extraArgs_ // {
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inherit pkgs optionDeclarations;
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modulesPath = ../modules;
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};
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config_ =
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pkgs.lib.definitionsOf configComponents extraArgs;
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# "fixableDeclarationsOf" is used instead of "declarationsOf" because some
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# option default values may depends on the definition of other options.
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optionDeclarations =
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pkgs.lib.fixableDeclarationsOf configComponents extraArgs config_;
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# Optionally check wether all config values have corresponding
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# option declarations.
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config = pkgs.checker config_
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config_.environment.checkConfigurationOptions
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optionDeclarations config_;
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}
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