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https://github.com/nix-community/flakelight.git
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366733be87
NixOS build checks significantly slowed down `nix flake show` as it prints out the derivation names, which for NixOS derivations requires a large amount of evaluation. By wrapping the derivations, we now give them trivial names. The NixOS configurations are still built when running checks as they are a dependency of the wrappers.
42 lines
1.2 KiB
Nix
42 lines
1.2 KiB
Nix
# flakelight -- Framework for simplifying flake setup
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# Copyright (C) 2023 Archit Gupta <archit@accelbread.com>
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# SPDX-License-Identifier: MIT
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{ config, lib, flakelight, autoloadArgs, ... }:
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let
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inherit (builtins) isAttrs mapAttrs;
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inherit (lib) foldl mapAttrsToList mergeOneOption mkIf mkOption mkOptionType
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recursiveUpdate;
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inherit (lib.types) lazyAttrsOf;
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inherit (flakelight.types) optFunctionTo;
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nixosConfiguration = mkOptionType {
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name = "nixosConfiguration";
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description = "nixosConfiguration";
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descriptionClass = "noun";
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check = x: isAttrs x
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&& x ? config.nixpkgs.system
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&& x ? config.system.build.toplevel;
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merge = mergeOneOption;
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};
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configs = mapAttrs (_: f: f autoloadArgs) config.nixosConfigurations;
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in
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{
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options.nixosConfigurations = mkOption {
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type = lazyAttrsOf (optFunctionTo nixosConfiguration);
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default = { };
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};
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config.outputs = mkIf (config.nixosConfigurations != { }) {
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nixosConfigurations = configs;
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checks = foldl recursiveUpdate { } (mapAttrsToList
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(n: v: {
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${v.config.nixpkgs.system}."nixos-${n}" = v.pkgs.runCommand
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"check-nixos-${n}"
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{ } "echo ${v.config.system.build.toplevel} > $out";
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})
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configs);
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};
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}
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