os/lib/devos/mkHosts.nix

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{ lib }:
{ userFlakeNixOS, userFlakeInputs, userFlakeSelf }:
{ dir, extern, suites, overrides, multiPkgs }:
let
defaultSystem = "x86_64-linux";
experimentalFeatures = [
"flakes"
"nix-command"
"ca-references"
"ca-derivations"
];
modules = {
modOverrides = { config, overrideModulesPath, ... }:
let
inherit (overrides) modules disabledModules;
in
{
disabledModules = modules ++ disabledModules;
imports = map
(path: "${overrideModulesPath}/${path}")
modules;
};
global = { config, pkgs, ... }: {
home-manager = {
useGlobalPkgs = true;
useUserPackages = true;
extraSpecialArgs = extern.userSpecialArgs // { suites = suites.user; };
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sharedModules = extern.userModules ++ (builtins.attrValues userFlakeSelf.homeModules);
};
users.mutableUsers = lib.mkDefault false;
hardware.enableRedistributableFirmware = lib.mkDefault true;
nix.nixPath = [
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"nixpkgs=${userFlakeNixOS}"
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"nixos-config=${userFlakeSelf}/lib/compat/nixos"
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"home-manager=${userFlakeInputs.home}"
];
nixpkgs.pkgs = lib.mkDefault multiPkgs.${config.nixpkgs.system};
nix.registry = {
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devos.flake = userFlakeSelf;
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nixos.flake = userFlakeNixOS;
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override.flake = userFlakeInputs.override;
};
nix.package = pkgs.nixFlakes;
nix.extraOptions = ''
experimental-features = ${lib.concatStringsSep " "
experimentalFeatures
}
'';
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system.configurationRevision = lib.mkIf (userFlakeSelf ? rev) userFlakeSelf.rev;
};
# Everything in `./modules/list.nix`.
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flakeModules = { imports = builtins.attrValues userFlakeSelf.nixosModules ++ extern.modules; };
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cachix = let rootCachix = "${userFlakeSelf}/cachix.nix"; in
if builtins.pathExists rootCachix
then rootCachix
else { }
;
};
specialArgs = extern.specialArgs // { suites = suites.system; };
mkHostConfig = hostName:
let
local = {
require = [
"${dir}/${hostName}.nix"
];
networking = { inherit hostName; };
_module.args = {
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self = userFlakeSelf;
hosts = builtins.mapAttrs (_: host: host.config)
(removeAttrs hosts [ hostName ]);
};
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lib = { inherit specialArgs; };
lib.testModule = {
imports = builtins.attrValues modules;
};
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};
in
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lib.os.devosSystem {
inherit userFlakeNixOS userFlakeInputs userFlakeSelf;
} {
inherit specialArgs;
system = defaultSystem;
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modules = modules // { inherit local; };
};
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hosts = lib.os.recImport
{
inherit dir;
_import = mkHostConfig;
};
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in
hosts