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Apply misc code cleanup

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This commit is contained in:
Archit Gupta
2024-01-14 12:59:39 -08:00
parent cc2f42fbdf
commit 5215a657bf
9 changed files with 112 additions and 137 deletions
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44
builtinModules/nixosConfigurations.nix
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@ -4,42 +4,28 @@
{ config, lib, inputs, flakelight, moduleArgs, ... }:
let
inherit (builtins) concatLists mapAttrs;
inherit (lib) foldl last mapAttrsToList mkIf mkOption recursiveUpdate
zipAttrsWith;
inherit (builtins) mapAttrs;
inherit (lib) foldl mapAttrsToList mkIf mkOption recursiveUpdate;
inherit (lib.types) attrs lazyAttrsOf;
inherit (flakelight) selectAttr;
inherit (flakelight.types) optFunctionTo;
# Avoid checking if toplevel is a derivation as it causes the nixos modules
# to be evaluated.
isNixos = x: x ? config.system.build.toplevel;
mergeCfg = zipAttrsWith (n: vs:
if n == "specialArgs" then
foldl (a: b: a // b) { } vs
else if n == "modules" then
concatLists vs
else last vs);
mkNixos = hostname: cfg: inputs.nixpkgs.lib.nixosSystem (cfg // {
specialArgs = {
inherit inputs hostname;
inputs' = mapAttrs (_: selectAttr cfg.system) inputs;
} // cfg.specialArgs or { };
modules = [ config.propagationModule ] ++ cfg.modules or [ ];
});
mkSystem = hostname: cfg:
let
inherit (cfg) system;
in
inputs.nixpkgs.lib.nixosSystem (mergeCfg [
{
specialArgs = {
inherit inputs hostname;
inputs' = mapAttrs (_: mapAttrs (_: v: v.${system} or { })) inputs;
};
modules = [ config.propagationModule ];
}
cfg
]);
systems = mapAttrs
configs = mapAttrs
(hostname: f:
let val = f moduleArgs; in
if isNixos val then val else mkSystem hostname val)
if isNixos val then val else mkNixos hostname val)
config.nixosConfigurations;
in
{
@ -49,13 +35,15 @@ in
};
config.outputs = mkIf (config.nixosConfigurations != { }) {
nixosConfigurations = systems;
nixosConfigurations = configs;
checks = foldl recursiveUpdate { } (mapAttrsToList
(n: v: {
# Wrapping the drv is needed as computing its name is expensive
# If not wrapped, it slows down `nix flake show` significantly
${v.config.nixpkgs.system}."nixos-${n}" = v.pkgs.runCommand
"check-nixos-${n}"
{ } "echo ${v.config.system.build.toplevel} > $out";
})
systems);
configs);
};
}